merge upstream

app/src/github/java/io/nekohasekai/sfa/vendor/ApkDownloader.kt

@@ -2,7 +2,6 @@ package io.nekohasekai.sfa.vendor
 
 import io.nekohasekai.libbox.HTTPResponseWriteToProgressHandler
 import io.nekohasekai.libbox.Libbox
-import io.nekohasekai.libbox.writeToWithProgress
 import io.nekohasekai.sfa.Application
 import io.nekohasekai.sfa.update.UpdateState
 import io.nekohasekai.sfa.utils.HTTPClient

app/src/main/aidl/io/nekohasekai/sfa/bg/INeighborTableCallback.aidl

@@ -0,0 +1,7 @@
+package io.nekohasekai.sfa.bg;
+
+import io.nekohasekai.sfa.bg.ParceledListSlice;
+
+interface INeighborTableCallback {
+    oneway void onNeighborTableUpdated(in ParceledListSlice entries);
+}

app/src/main/aidl/io/nekohasekai/sfa/bg/IRootService.aidl

@@ -1,6 +1,7 @@
 package io.nekohasekai.sfa.bg;
 
 import android.os.ParcelFileDescriptor;
+import io.nekohasekai.sfa.bg.INeighborTableCallback;
 import io.nekohasekai.sfa.bg.ParceledListSlice;
 
 interface IRootService {
@@ -11,4 +12,8 @@ interface IRootService {
     void installPackage(in ParcelFileDescriptor apk, long size, int userId) = 2;
 
     String exportDebugInfo(String outputPath) = 3;
+
+    void registerNeighborTableCallback(in INeighborTableCallback callback) = 4;
+
+    oneway void unregisterNeighborTableCallback(in INeighborTableCallback callback) = 5;
 }

app/src/main/aidl/io/nekohasekai/sfa/bg/NeighborEntry.aidl

@@ -0,0 +1,3 @@
+package io.nekohasekai.sfa.bg;
+
+parcelable NeighborEntry;

app/src/main/java/io/nekohasekai/libbox/FDroidStubs.kt

@@ -1,27 +0,0 @@
-package io.nekohasekai.libbox
-
-class FDroidMirror(
-    val url: String,
-    val name: String,
-    val country: String,
-)
-
-class FDroidMirrorIterator(
-    private val items: List<FDroidMirror>,
-) {
-    private var index = 0
-    fun hasNext(): Boolean = index < items.size
-    fun next(): FDroidMirror = items[index++]
-}
-
-class FDroidMirrorPingResult(
-    val url: String,
-    val latencyMs: Int,
-)
-
-class FDroidUpdateResult(
-    val versionCode: Int,
-    val versionName: String,
-    val downloadURL: String,
-    val fileSize: Long,
-)

app/src/main/java/io/nekohasekai/libbox/HTTPResponseWriteToProgressHandler.kt

@@ -1,5 +0,0 @@
-package io.nekohasekai.libbox
-
-interface HTTPResponseWriteToProgressHandler {
-    fun update(progress: Long, total: Long)
-}

app/src/main/java/io/nekohasekai/libbox/LibboxStubs.kt

@@ -1,34 +0,0 @@
-package io.nekohasekai.libbox
-
-fun HTTPResponse.writeToWithProgress(path: String, handler: HTTPResponseWriteToProgressHandler) {
-    writeTo(path)
-}
-
-fun ConnectionOwner.setAndroidPackageNames(names: StringIterator) {
-    if (names.hasNext()) {
-        androidPackageName = names.next()
-    }
-}
-
-fun ProcessInfo.packageNames(): StringIterator? {
-    val name = packageName ?: return null
-    if (name.isEmpty()) return null
-    return object : StringIterator {
-        private var consumed = false
-        override fun len(): Int = 1
-        override fun hasNext(): Boolean = !consumed
-        override fun next(): String { consumed = true; return name }
-    }
-}
-
-fun getFDroidMirrors(): FDroidMirrorIterator {
-    return FDroidMirrorIterator(emptyList())
-}
-
-fun pingFDroidMirror(url: String): FDroidMirrorPingResult {
-    return FDroidMirrorPingResult(url, -1)
-}
-
-fun checkFDroidUpdate(mirrorUrl: String, packageName: String, versionCode: Int, cachePath: String): FDroidUpdateResult? {
-    return null
-}

app/src/main/java/io/nekohasekai/libbox/NeighborUpdateListener.kt

@@ -1,3 +0,0 @@
-package io.nekohasekai.libbox
-
-interface NeighborUpdateListener

app/src/main/java/io/nekohasekai/sfa/Application.kt

@@ -9,13 +9,16 @@ import android.content.IntentFilter
 import android.net.ConnectivityManager
 import android.net.wifi.WifiManager
 import android.os.PowerManager
+import android.util.Log
 import androidx.core.content.getSystemService
-import go.Seq
 import io.nekohasekai.libbox.Libbox
 import io.nekohasekai.libbox.SetupOptions
 import io.nekohasekai.sfa.bg.AppChangeReceiver
+import io.nekohasekai.sfa.bg.CrashReportManager
+import io.nekohasekai.sfa.bg.OOMReportManager
 import io.nekohasekai.sfa.bg.UpdateProfileWork
 import io.nekohasekai.sfa.constant.Bugs
+import io.nekohasekai.sfa.database.Settings
 import io.nekohasekai.sfa.utils.AppLifecycleObserver
 import io.nekohasekai.sfa.utils.HookModuleUpdateNotifier
 import io.nekohasekai.sfa.utils.HookStatusClient
@@ -39,13 +42,28 @@ class Application : Application() {
         AppLifecycleObserver.register(this)
 
 //        Seq.setContext(this)
-        Libbox.setLocale(Locale.getDefault().toLanguageTag().replace("-", "_"))
+        runCatching {
+            Libbox.setLocale(Locale.getDefault().toLanguageTag().replace("-", "_"))
+        }.onFailure {
+            Log.d("Application", "set locale: ${it.message}")
+        }
         HookStatusClient.register(this)
         PrivilegeSettingsClient.register(this)
 
+        val baseDir = filesDir
+        baseDir.mkdirs()
+        val workingDir = getExternalFilesDir(null)
+        val tempDir = cacheDir
+        tempDir.mkdirs()
+        if (workingDir != null) {
+            workingDir.mkdirs()
+            CrashReportManager.install(workingDir, baseDir)
+            OOMReportManager.install(workingDir)
+        }
+
         @Suppress("OPT_IN_USAGE")
         GlobalScope.launch(Dispatchers.IO) {
-            initialize()
+            initialize(baseDir, workingDir, tempDir)
             UpdateProfileWork.reconfigureUpdater()
             HookModuleUpdateNotifier.sync(this@Application)
         }
@@ -62,24 +80,33 @@ class Application : Application() {
         }
     }
 
-    private fun initialize() {
+    private fun initialize(baseDir: File, workingDir: File?, tempDir: File) {
+        val actualWorkingDir = workingDir ?: return
+        setupLibbox(baseDir, actualWorkingDir, tempDir)
+    }
+
+    fun reloadSetupOptions() {
         val baseDir = filesDir
-        baseDir.mkdirs()
         val workingDir = getExternalFilesDir(null) ?: return
-        workingDir.mkdirs()
         val tempDir = cacheDir
-        tempDir.mkdirs()
-        Libbox.setup(
-            SetupOptions().also {
-                it.basePath = baseDir.path
-                it.workingPath = workingDir.path
-                it.tempPath = tempDir.path
-                it.fixAndroidStack = Bugs.fixAndroidStack
-                it.logMaxLines = 3000
-                it.debug = BuildConfig.DEBUG
-            },
-        )
-        Libbox.redirectStderr(File(workingDir, "stderr.log").path)
+        Libbox.reloadSetupOptions(createSetupOptions(baseDir, workingDir, tempDir))
+    }
+
+    private fun setupLibbox(baseDir: File, workingDir: File, tempDir: File) {
+        Libbox.setup(createSetupOptions(baseDir, workingDir, tempDir))
+    }
+
+    private fun createSetupOptions(baseDir: File, workingDir: File, tempDir: File): SetupOptions = SetupOptions().also {
+        it.basePath = baseDir.path
+        it.workingPath = workingDir.path
+        it.tempPath = tempDir.path
+        it.fixAndroidStack = Bugs.fixAndroidStack
+        it.logMaxLines = 3000
+        it.debug = BuildConfig.DEBUG
+        it.crashReportSource = "Application"
+        it.oomKillerEnabled = Settings.oomKillerEnabled
+        it.oomKillerDisabled = Settings.oomKillerDisabled
+        it.oomMemoryLimit = Settings.oomMemoryLimitMB.toLong() * 1024L * 1024L
     }
 
     companion object {

app/src/main/java/io/nekohasekai/sfa/bg/BootReceiver.kt

@@ -21,6 +21,11 @@ class BootReceiver : BroadcastReceiver() {
         }
         GlobalScope.launch(Dispatchers.IO) {
             if (Settings.startedByUser) {
+                CrashReportManager.refresh()
+                if (CrashReportManager.unreadCount.value > 0) {
+                    Settings.startedByUser = false
+                    return@launch
+                }
                 withContext(Dispatchers.Main) {
                     BoxService.start()
                 }

app/src/main/java/io/nekohasekai/sfa/bg/BoxService.kt

@@ -417,6 +417,13 @@ class BoxService(private val service: Service, private val platformInterface: Pl
         }
     }
 
+    override fun triggerNativeCrash() {
+        Thread {
+            Thread.sleep(200)
+            throw RuntimeException("debug native crash")
+        }.start()
+    }
+
     override fun writeDebugMessage(message: String?) {
         Log.d("sing-box", message!!)
     }

app/src/main/java/io/nekohasekai/sfa/bg/CrashReportManager.kt

@@ -0,0 +1,251 @@
+package io.nekohasekai.sfa.bg
+
+import io.nekohasekai.libbox.Libbox
+import io.nekohasekai.sfa.Application
+import io.nekohasekai.sfa.BuildConfig
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.withContext
+import org.json.JSONObject
+import java.io.File
+import java.io.PrintWriter
+import java.io.StringWriter
+import java.text.ParseException
+import java.text.SimpleDateFormat
+import java.util.Date
+import java.util.Locale
+import java.util.TimeZone
+
+data class CrashReport(
+    val id: String,
+    val date: Date,
+    val directory: File,
+    val isRead: Boolean,
+)
+
+data class CrashReportFile(
+    val kind: Kind,
+    val displayName: String,
+    val file: File,
+) {
+    enum class Kind {
+        METADATA,
+        GO_LOG,
+        JVM_LOG,
+        CONFIG,
+    }
+}
+
+object CrashReportManager {
+    private const val METADATA_FILE_NAME = "metadata.json"
+    private const val GO_LOG_FILE_NAME = "go.log"
+    private const val JVM_LOG_FILE_NAME = "jvm.log"
+    private const val CONFIG_FILE_NAME = "configuration.json"
+    private const val READ_MARKER_FILE_NAME = ".read"
+    private const val CRASH_REPORTS_DIR_NAME = "crash_reports"
+    private const val PENDING_JVM_CRASH_FILE_NAME = "CrashReport-JVM.log"
+    private const val PENDING_JVM_METADATA_FILE_NAME = "CrashReport-JVM-metadata.json"
+
+    private val timestampFormat = SimpleDateFormat("yyyy-MM-dd'T'HH-mm-ss", Locale.US).apply {
+        timeZone = TimeZone.getTimeZone("UTC")
+    }
+
+    private lateinit var workingDir: File
+    private lateinit var baseDir: File
+
+    private val _reports = MutableStateFlow<List<CrashReport>>(emptyList())
+    val reports: StateFlow<List<CrashReport>> = _reports
+    private val _unreadCount = MutableStateFlow(0)
+    val unreadCount: StateFlow<Int> = _unreadCount
+
+    fun install(workingDir: File, baseDir: File) {
+        this.workingDir = workingDir
+        this.baseDir = baseDir
+        archivePendingJvmCrashReport()
+        val previous = Thread.getDefaultUncaughtExceptionHandler()
+        Thread.setDefaultUncaughtExceptionHandler { thread, throwable ->
+            writePendingJvmCrashReport(thread, throwable)
+            previous?.uncaughtException(thread, throwable)
+        }
+    }
+
+    private fun writePendingJvmCrashReport(thread: Thread, throwable: Throwable) {
+        try {
+            val writer = StringWriter()
+            throwable.printStackTrace(PrintWriter(writer))
+            File(workingDir, PENDING_JVM_CRASH_FILE_NAME).writeText(writer.toString())
+            val metadata = JSONObject().apply {
+                put("source", "Application")
+                put("crashedAt", formatTimestampISO8601(Date()))
+                put("exceptionName", throwable.javaClass.name)
+                put("exceptionReason", throwable.message ?: "")
+                put("processName", Application.application.packageName)
+                put("appVersion", BuildConfig.VERSION_CODE.toString())
+                put("appMarketingVersion", BuildConfig.VERSION_NAME)
+                runCatching {
+                    put("coreVersion", Libbox.version())
+                    put("goVersion", Libbox.goVersion())
+                }
+            }
+            File(workingDir, PENDING_JVM_METADATA_FILE_NAME).writeText(metadata.toString())
+        } catch (_: Throwable) {
+        }
+    }
+
+    suspend fun refresh() = withContext(Dispatchers.IO) {
+        val reports = scanCrashReports()
+        _reports.value = reports
+        _unreadCount.value = reports.count { !it.isRead }
+    }
+
+    private fun archivePendingJvmCrashReport() {
+        val crashFile = File(workingDir, PENDING_JVM_CRASH_FILE_NAME)
+        val metadataFile = File(workingDir, PENDING_JVM_METADATA_FILE_NAME)
+        val configFile = File(baseDir, CONFIG_FILE_NAME)
+        if (!crashFile.exists()) return
+        val content = crashFile.readText().trim()
+        if (content.isEmpty()) {
+            crashFile.delete()
+            metadataFile.delete()
+            configFile.delete()
+            return
+        }
+        val crashDate = Date(crashFile.lastModified())
+        val reportDir = nextAvailableReportDir(crashDate)
+        reportDir.mkdirs()
+        crashFile.copyTo(File(reportDir, JVM_LOG_FILE_NAME), overwrite = true)
+        crashFile.delete()
+        if (metadataFile.exists()) {
+            metadataFile.copyTo(File(reportDir, METADATA_FILE_NAME), overwrite = true)
+            metadataFile.delete()
+        }
+        if (configFile.exists()) {
+            val configContent = runCatching { configFile.readText() }.getOrNull()?.trim()
+            if (!configContent.isNullOrEmpty()) {
+                configFile.copyTo(File(reportDir, CONFIG_FILE_NAME), overwrite = true)
+            }
+            configFile.delete()
+        }
+    }
+
+    private fun scanCrashReports(): List<CrashReport> {
+        val crashReportsDir = File(workingDir, CRASH_REPORTS_DIR_NAME)
+        if (!crashReportsDir.isDirectory) return emptyList()
+        val directories = crashReportsDir.listFiles { file -> file.isDirectory } ?: return emptyList()
+        return directories.mapNotNull { dir ->
+            val date = parseTimestamp(dir.name) ?: return@mapNotNull null
+            CrashReport(
+                id = dir.name,
+                date = date,
+                directory = dir,
+                isRead = File(dir, READ_MARKER_FILE_NAME).exists(),
+            )
+        }.sortedByDescending { it.date }
+    }
+
+    fun availableFiles(report: CrashReport): List<CrashReportFile> {
+        val files = mutableListOf<CrashReportFile>()
+        val metadataFile = File(report.directory, METADATA_FILE_NAME)
+        if (metadataFile.exists()) {
+            files.add(CrashReportFile(CrashReportFile.Kind.METADATA, "Metadata", metadataFile))
+        }
+        val goLogFile = File(report.directory, GO_LOG_FILE_NAME)
+        if (goLogFile.exists()) {
+            files.add(CrashReportFile(CrashReportFile.Kind.GO_LOG, "Go Crash Log", goLogFile))
+        }
+        val jvmLogFile = File(report.directory, JVM_LOG_FILE_NAME)
+        if (jvmLogFile.exists()) {
+            files.add(CrashReportFile(CrashReportFile.Kind.JVM_LOG, "JVM Crash Log", jvmLogFile))
+        }
+        val configFile = File(report.directory, CONFIG_FILE_NAME)
+        if (configFile.exists()) {
+            files.add(CrashReportFile(CrashReportFile.Kind.CONFIG, "Configuration", configFile))
+        }
+        return files
+    }
+
+    fun loadFileContent(file: CrashReportFile): String {
+        if (!file.file.exists()) return ""
+        val content = file.file.readText()
+        if (file.kind == CrashReportFile.Kind.METADATA) {
+            return runCatching {
+                JSONObject(content).toString(2)
+            }.getOrDefault(content)
+        }
+        return content
+    }
+
+    fun markAsRead(report: CrashReport) {
+        File(report.directory, READ_MARKER_FILE_NAME).createNewFile()
+        val updated = _reports.value.map {
+            if (it.id == report.id) it.copy(isRead = true) else it
+        }
+        _reports.value = updated
+        _unreadCount.value = updated.count { !it.isRead }
+    }
+
+    suspend fun delete(report: CrashReport) = withContext(Dispatchers.IO) {
+        report.directory.deleteRecursively()
+        val updated = _reports.value.filter { it.id != report.id }
+        _reports.value = updated
+        _unreadCount.value = updated.count { !it.isRead }
+    }
+
+    suspend fun deleteAll() = withContext(Dispatchers.IO) {
+        File(workingDir, CRASH_REPORTS_DIR_NAME).deleteRecursively()
+        _reports.value = emptyList()
+        _unreadCount.value = 0
+    }
+
+    fun hasConfigFile(report: CrashReport): Boolean = File(report.directory, CONFIG_FILE_NAME).exists()
+
+    suspend fun createZipArchive(report: CrashReport, includeConfig: Boolean): File = withContext(Dispatchers.IO) {
+        val cacheDir = File(Application.application.cacheDir, CRASH_REPORTS_DIR_NAME)
+        cacheDir.mkdirs()
+        val zipFile = File(cacheDir, "${report.id}.zip")
+        zipFile.delete()
+        val strippedDir = File(cacheDir, report.id)
+        strippedDir.deleteRecursively()
+        report.directory.copyRecursively(strippedDir, overwrite = true)
+        File(strippedDir, READ_MARKER_FILE_NAME).delete()
+        if (!includeConfig) {
+            File(strippedDir, CONFIG_FILE_NAME).delete()
+        }
+        Libbox.createZipArchive(strippedDir.path, zipFile.path)
+        zipFile
+    }
+
+    private fun nextAvailableReportDir(date: Date): File {
+        val crashReportsDir = File(workingDir, CRASH_REPORTS_DIR_NAME)
+        val baseName = timestampFormat.format(date)
+        var index = 0
+        while (true) {
+            val suffix = if (index == 0) "" else "-$index"
+            val dir = File(crashReportsDir, baseName + suffix)
+            if (!dir.exists()) return dir
+            index++
+        }
+    }
+
+    private fun parseTimestamp(name: String): Date? {
+        val components = name.split("-")
+        val baseName = if (components.size > 5 && components.last().toIntOrNull() != null) {
+            components.dropLast(1).joinToString("-")
+        } else {
+            name
+        }
+        return try {
+            timestampFormat.parse(baseName)
+        } catch (_: ParseException) {
+            null
+        }
+    }
+
+    private fun formatTimestampISO8601(date: Date): String {
+        val format = SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ", Locale.US).apply {
+            timeZone = TimeZone.getTimeZone("UTC")
+        }
+        return format.format(date)
+    }
+}

app/src/main/java/io/nekohasekai/sfa/bg/NeighborEntry.java

@@ -0,0 +1,49 @@
+package io.nekohasekai.sfa.bg;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+import androidx.annotation.NonNull;
+
+public class NeighborEntry implements Parcelable {
+  @NonNull public final String address;
+  @NonNull public final String macAddress;
+  @NonNull public final String hostname;
+
+  public NeighborEntry(
+      @NonNull String address, @NonNull String macAddress, @NonNull String hostname) {
+    this.address = address;
+    this.macAddress = macAddress;
+    this.hostname = hostname;
+  }
+
+  protected NeighborEntry(Parcel in) {
+    address = in.readString();
+    macAddress = in.readString();
+    hostname = in.readString();
+  }
+
+  @Override
+  public void writeToParcel(@NonNull Parcel dest, int flags) {
+    dest.writeString(address);
+    dest.writeString(macAddress);
+    dest.writeString(hostname);
+  }
+
+  @Override
+  public int describeContents() {
+    return 0;
+  }
+
+  public static final Creator<NeighborEntry> CREATOR =
+      new Creator<>() {
+        @Override
+        public NeighborEntry createFromParcel(Parcel in) {
+          return new NeighborEntry(in);
+        }
+
+        @Override
+        public NeighborEntry[] newArray(int size) {
+          return new NeighborEntry[size];
+        }
+      };
+}

app/src/main/java/io/nekohasekai/sfa/bg/OOMReportManager.kt

@@ -0,0 +1,165 @@
+package io.nekohasekai.sfa.bg
+
+import io.nekohasekai.libbox.Libbox
+import io.nekohasekai.sfa.Application
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.withContext
+import org.json.JSONObject
+import java.io.File
+import java.text.ParseException
+import java.text.SimpleDateFormat
+import java.util.Date
+import java.util.Locale
+import java.util.TimeZone
+
+data class OOMReport(
+    val id: String,
+    val date: Date,
+    val directory: File,
+    val isRead: Boolean,
+)
+
+data class OOMReportFile(
+    val kind: Kind,
+    val displayName: String,
+    val file: File,
+) {
+    enum class Kind {
+        METADATA,
+        CONFIG,
+        PROFILE,
+    }
+}
+
+object OOMReportManager {
+    private const val METADATA_FILE_NAME = "metadata.json"
+    private const val CONFIG_FILE_NAME = "configuration.json"
+    private const val CMDLINE_FILE_NAME = "cmdline"
+    private const val READ_MARKER_FILE_NAME = ".read"
+    private const val OOM_REPORTS_DIR_NAME = "oom_reports"
+
+    private val timestampFormat = SimpleDateFormat("yyyy-MM-dd'T'HH-mm-ss", Locale.US).apply {
+        timeZone = TimeZone.getTimeZone("UTC")
+    }
+
+    private lateinit var workingDir: File
+
+    private val _reports = MutableStateFlow<List<OOMReport>>(emptyList())
+    val reports: StateFlow<List<OOMReport>> = _reports
+    private val _unreadCount = MutableStateFlow(0)
+    val unreadCount: StateFlow<Int> = _unreadCount
+
+    fun install(workingDir: File) {
+        this.workingDir = workingDir
+    }
+
+    suspend fun refresh() = withContext(Dispatchers.IO) {
+        val reports = scanReports()
+        _reports.value = reports
+        _unreadCount.value = reports.count { !it.isRead }
+    }
+
+    private fun scanReports(): List<OOMReport> {
+        val reportsDir = File(workingDir, OOM_REPORTS_DIR_NAME)
+        if (!reportsDir.isDirectory) return emptyList()
+        val directories = reportsDir.listFiles { file -> file.isDirectory } ?: return emptyList()
+        return directories.mapNotNull { dir ->
+            val date = parseTimestamp(dir.name) ?: return@mapNotNull null
+            OOMReport(
+                id = dir.name,
+                date = date,
+                directory = dir,
+                isRead = File(dir, READ_MARKER_FILE_NAME).exists(),
+            )
+        }.sortedByDescending { it.date }
+    }
+
+    fun availableFiles(report: OOMReport): List<OOMReportFile> {
+        val files = mutableListOf<OOMReportFile>()
+        val metadataFile = File(report.directory, METADATA_FILE_NAME)
+        if (metadataFile.exists()) {
+            files.add(OOMReportFile(OOMReportFile.Kind.METADATA, "Metadata", metadataFile))
+        }
+        val configFile = File(report.directory, CONFIG_FILE_NAME)
+        if (configFile.exists()) {
+            files.add(OOMReportFile(OOMReportFile.Kind.CONFIG, "Configuration", configFile))
+        }
+        report.directory.listFiles()?.filter { file ->
+            file.isFile &&
+                file.name != METADATA_FILE_NAME &&
+                file.name != CONFIG_FILE_NAME &&
+                file.name != CMDLINE_FILE_NAME &&
+                file.name != READ_MARKER_FILE_NAME
+        }?.sortedBy { it.name }?.forEach { file ->
+            files.add(OOMReportFile(OOMReportFile.Kind.PROFILE, file.name, file))
+        }
+        return files
+    }
+
+    fun loadFileContent(file: OOMReportFile): String {
+        if (!file.file.exists()) return ""
+        val content = file.file.readText()
+        if (file.kind == OOMReportFile.Kind.METADATA) {
+            return runCatching {
+                JSONObject(content).toString(2)
+            }.getOrDefault(content)
+        }
+        return content
+    }
+
+    fun markAsRead(report: OOMReport) {
+        File(report.directory, READ_MARKER_FILE_NAME).createNewFile()
+        val updated = _reports.value.map {
+            if (it.id == report.id) it.copy(isRead = true) else it
+        }
+        _reports.value = updated
+        _unreadCount.value = updated.count { !it.isRead }
+    }
+
+    suspend fun delete(report: OOMReport) = withContext(Dispatchers.IO) {
+        report.directory.deleteRecursively()
+        val updated = _reports.value.filter { it.id != report.id }
+        _reports.value = updated
+        _unreadCount.value = updated.count { !it.isRead }
+    }
+
+    suspend fun deleteAll() = withContext(Dispatchers.IO) {
+        File(workingDir, OOM_REPORTS_DIR_NAME).deleteRecursively()
+        _reports.value = emptyList()
+        _unreadCount.value = 0
+    }
+
+    fun hasConfigFile(report: OOMReport): Boolean = File(report.directory, CONFIG_FILE_NAME).exists()
+
+    suspend fun createZipArchive(report: OOMReport, includeConfig: Boolean): File = withContext(Dispatchers.IO) {
+        val cacheDir = File(Application.application.cacheDir, OOM_REPORTS_DIR_NAME)
+        cacheDir.mkdirs()
+        val zipFile = File(cacheDir, "${report.id}.zip")
+        zipFile.delete()
+        val strippedDir = File(cacheDir, report.id)
+        strippedDir.deleteRecursively()
+        report.directory.copyRecursively(strippedDir, overwrite = true)
+        File(strippedDir, READ_MARKER_FILE_NAME).delete()
+        if (!includeConfig) {
+            File(strippedDir, CONFIG_FILE_NAME).delete()
+        }
+        Libbox.createZipArchive(strippedDir.path, zipFile.path)
+        zipFile
+    }
+
+    private fun parseTimestamp(name: String): Date? {
+        val components = name.split("-")
+        val baseName = if (components.size > 5 && components.last().toIntOrNull() != null) {
+            components.dropLast(1).joinToString("-")
+        } else {
+            name
+        }
+        return try {
+            timestampFormat.parse(baseName)
+        } catch (_: ParseException) {
+            null
+        }
+    }
+}

app/src/main/java/io/nekohasekai/sfa/bg/PlatformInterfaceWrapper.kt

@@ -11,13 +11,16 @@ import io.nekohasekai.libbox.ConnectionOwner
 import io.nekohasekai.libbox.InterfaceUpdateListener
 import io.nekohasekai.libbox.Libbox
 import io.nekohasekai.libbox.LocalDNSTransport
+import io.nekohasekai.libbox.NeighborEntryIterator
+import io.nekohasekai.libbox.NeighborUpdateListener
 import io.nekohasekai.libbox.NetworkInterfaceIterator
 import io.nekohasekai.libbox.PlatformInterface
 import io.nekohasekai.libbox.StringIterator
 import io.nekohasekai.libbox.TunOptions
 import io.nekohasekai.libbox.WIFIState
-import io.nekohasekai.libbox.setAndroidPackageNames
 import io.nekohasekai.sfa.Application
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.runBlocking
 import java.net.Inet6Address
 import java.net.InetSocketAddress
 import java.net.InterfaceAddress
@@ -25,8 +28,11 @@ import java.net.NetworkInterface
 import java.security.KeyStore
 import kotlin.io.encoding.Base64
 import kotlin.io.encoding.ExperimentalEncodingApi
+import io.nekohasekai.libbox.NeighborEntry as LibboxNeighborEntry
 import io.nekohasekai.libbox.NetworkInterface as LibboxNetworkInterface
 
+private var neighborCallback: INeighborTableCallback.Stub? = null
+
 interface PlatformInterfaceWrapper : PlatformInterface {
     override fun usePlatformAutoDetectInterfaceControl(): Boolean = true
 
@@ -173,6 +179,49 @@ interface PlatformInterfaceWrapper : PlatformInterface {
         return StringArray(certificates.iterator())
     }
 
+    override fun startNeighborMonitor(listener: NeighborUpdateListener?) {
+        if (listener == null) return
+        val callback = object : INeighborTableCallback.Stub() {
+            override fun onNeighborTableUpdated(entries: ParceledListSlice<*>?) {
+                if (entries == null) return
+                @Suppress("UNCHECKED_CAST")
+                val list = entries.list as List<NeighborEntry>
+                listener.updateNeighborTable(
+                    NeighborEntryArray(
+                        list.map { entry ->
+                            LibboxNeighborEntry().apply {
+                                address = entry.address
+                                macAddress = entry.macAddress
+                                hostname = entry.hostname
+                            }
+                        }.iterator(),
+                    ),
+                )
+            }
+        }
+        neighborCallback = callback
+        runBlocking(Dispatchers.IO) {
+            RootClient.registerNeighborTableCallback(callback)
+        }
+    }
+
+    override fun registerMyInterface(name: String?) {
+    }
+
+    override fun closeNeighborMonitor(listener: NeighborUpdateListener?) {
+        val callback = neighborCallback ?: return
+        neighborCallback = null
+        runBlocking(Dispatchers.IO) {
+            RootClient.unregisterNeighborTableCallback(callback)
+        }
+    }
+
+    private class NeighborEntryArray(private val iterator: Iterator<LibboxNeighborEntry>) : NeighborEntryIterator {
+        override fun hasNext(): Boolean = iterator.hasNext()
+
+        override fun next(): LibboxNeighborEntry = iterator.next()
+    }
+
     private class InterfaceArray(private val iterator: Iterator<LibboxNetworkInterface>) : NetworkInterfaceIterator {
         override fun hasNext(): Boolean = iterator.hasNext()
 

app/src/main/java/io/nekohasekai/sfa/bg/ProxyService.kt

@@ -2,7 +2,6 @@ package io.nekohasekai.sfa.bg
 
 import android.app.Service
 import android.content.Intent
-import io.nekohasekai.libbox.NeighborUpdateListener
 import io.nekohasekai.libbox.Notification
 
 class ProxyService :
@@ -15,10 +14,6 @@ class ProxyService :
     override fun onBind(intent: Intent) = service.onBind()
 
     override fun onDestroy() = service.onDestroy()
-    fun closeNeighborMonitor(listener: NeighborUpdateListener?) {
-    }
 
     override fun sendNotification(notification: Notification) = service.sendNotification(notification)
-    fun startNeighborMonitor(listener: NeighborUpdateListener?) {
-    }
 }

app/src/main/java/io/nekohasekai/sfa/bg/RootClient.kt

@@ -133,4 +133,21 @@ object RootClient {
             throw e.rethrowFromSystemServer()
         }
     }
+
+    suspend fun registerNeighborTableCallback(callback: INeighborTableCallback) {
+        val svc = bindService()
+        try {
+            svc.registerNeighborTableCallback(callback)
+        } catch (e: RemoteException) {
+            throw e.rethrowFromSystemServer()
+        }
+    }
+
+    suspend fun unregisterNeighborTableCallback(callback: INeighborTableCallback) {
+        try {
+            service?.unregisterNeighborTableCallback(callback)
+        } catch (e: RemoteException) {
+            throw e.rethrowFromSystemServer()
+        }
+    }
 }

app/src/main/java/io/nekohasekai/sfa/bg/RootServer.kt

@@ -2,15 +2,36 @@ package io.nekohasekai.sfa.bg
 
 import android.content.Intent
 import android.content.pm.PackageInfo
+import android.os.Build
 import android.os.IBinder
 import android.os.ParcelFileDescriptor
+import android.os.RemoteCallbackList
+import android.util.Log
 import com.topjohnwu.superuser.ipc.RootService
+import io.nekohasekai.libbox.Libbox
+import io.nekohasekai.libbox.NeighborEntryIterator
+import io.nekohasekai.libbox.NeighborSubscription
+import io.nekohasekai.libbox.NeighborUpdateListener
 import io.nekohasekai.sfa.BuildConfig
 import io.nekohasekai.sfa.vendor.PrivilegedServiceUtils
 import java.io.IOException
+import java.lang.reflect.Proxy
+import java.util.concurrent.ConcurrentHashMap
+import java.util.concurrent.Executors
 
 class RootServer : RootService() {
 
+    private val neighborCallbacks = RemoteCallbackList<INeighborTableCallback>()
+    private var neighborSubscription: NeighborSubscription? = null
+
+    private val hostnameByMAC = ConcurrentHashMap<String, String>()
+
+    @Volatile
+    private var lastNeighborEntries: List<Pair<String, String>>? = null
+
+    private var tetheringCallback: Any? = null
+    private var tetheringManager: Any? = null
+
     private val binder = object : IRootService.Stub() {
         override fun destroy() {
             stopSelf()
@@ -31,7 +52,174 @@ class RootServer : RootService() {
             outputPath!!,
             BuildConfig.APPLICATION_ID,
         )
+
+        override fun registerNeighborTableCallback(callback: INeighborTableCallback?) {
+            if (callback == null) return
+            neighborCallbacks.register(callback)
+            synchronized(neighborCallbacks) {
+                if (neighborSubscription == null) {
+                    try {
+                        neighborSubscription =
+                            Libbox.subscribeNeighborTable(object : NeighborUpdateListener {
+                                override fun updateNeighborTable(entries: NeighborEntryIterator?) {
+                                    if (entries == null) return
+                                    val rawList = mutableListOf<Pair<String, String>>()
+                                    while (entries.hasNext()) {
+                                        val entry = entries.next()
+                                        rawList.add(entry.address to entry.macAddress)
+                                    }
+                                    lastNeighborEntries = rawList
+                                    broadcastEnrichedEntries(rawList)
+                                }
+                            })
+                    } catch (e: Exception) {
+                        Log.e("RootServer", "subscribeNeighborTable failed", e)
+                    }
+                    startTetheringMonitor()
+                }
+            }
+        }
+
+        override fun unregisterNeighborTableCallback(callback: INeighborTableCallback?) {
+            if (callback == null) return
+            neighborCallbacks.unregister(callback)
+            synchronized(neighborCallbacks) {
+                if (neighborCallbacks.registeredCallbackCount == 0) {
+                    neighborSubscription?.close()
+                    neighborSubscription = null
+                    stopTetheringMonitor()
+                }
+            }
+        }
+    }
+
+    private fun broadcastEnrichedEntries(rawList: List<Pair<String, String>>) {
+        val list = rawList.map { (address, mac) ->
+            NeighborEntry(address, mac, hostnameByMAC[mac.uppercase()] ?: "")
+        }
+        Log.d("RootServer", "neighborTable updated: ${list.size} entries")
+        val slice = ParceledListSlice(list)
+        val count = neighborCallbacks.beginBroadcast()
+        try {
+            repeat(count) { i ->
+                try {
+                    neighborCallbacks.getBroadcastItem(i).onNeighborTableUpdated(slice)
+                } catch (_: Exception) {
+                }
+            }
+        } finally {
+            neighborCallbacks.finishBroadcast()
+        }
+    }
+
+    // TetheringManager reflection (API 30+)
+
+    private val classTetheredClient by lazy {
+        Class.forName("android.net.TetheredClient")
+    }
+    private val getMacAddress by lazy {
+        classTetheredClient.getDeclaredMethod("getMacAddress")
+    }
+    private val getAddresses by lazy {
+        classTetheredClient.getDeclaredMethod("getAddresses")
+    }
+    private val classAddressInfo by lazy {
+        Class.forName("android.net.TetheredClient\$AddressInfo")
+    }
+    private val getHostname by lazy {
+        classAddressInfo.getDeclaredMethod("getHostname")
+    }
+
+    private fun startTetheringMonitor() {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) return
+        try {
+            val manager = getSystemService("tethering") ?: return
+            tetheringManager = manager
+            val callbackClass =
+                Class.forName("android.net.TetheringManager\$TetheringEventCallback")
+            val registerMethod = manager.javaClass.getMethod(
+                "registerTetheringEventCallback",
+                java.util.concurrent.Executor::class.java,
+                callbackClass,
+            )
+            val proxy = Proxy.newProxyInstance(
+                callbackClass.classLoader,
+                arrayOf(callbackClass),
+            ) { proxyObject, method, args ->
+                when (method.name) {
+                    "hashCode" -> System.identityHashCode(proxyObject)
+                    "equals" -> proxyObject === args?.get(0)
+                    "toString" ->
+                        proxyObject.javaClass.name + "@" +
+                            Integer.toHexString(System.identityHashCode(proxyObject))
+                    "onClientsChanged" -> {
+                        if (args != null) {
+                            @Suppress("UNCHECKED_CAST")
+                            handleClientsChanged(args[0] as Collection<*>)
+                        }
+                        null
+                    }
+                    else -> null
+                }
+            }
+            tetheringCallback = proxy
+            registerMethod.invoke(manager, Executors.newSingleThreadExecutor(), proxy)
+            Log.d("RootServer", "TetheringManager monitor started")
+        } catch (e: Exception) {
+            Log.e("RootServer", "startTetheringMonitor failed", e)
+        }
+    }
+
+    private fun stopTetheringMonitor() {
+        val manager = tetheringManager ?: return
+        val callback = tetheringCallback ?: return
+        try {
+            val callbackClass =
+                Class.forName("android.net.TetheringManager\$TetheringEventCallback")
+            val unregisterMethod = manager.javaClass.getMethod(
+                "unregisterTetheringEventCallback",
+                callbackClass,
+            )
+            unregisterMethod.invoke(manager, callback)
+        } catch (e: Exception) {
+            Log.e("RootServer", "stopTetheringMonitor failed", e)
+        }
+        tetheringCallback = null
+        tetheringManager = null
+        hostnameByMAC.clear()
+    }
+
+    private fun handleClientsChanged(clients: Collection<*>) {
+        hostnameByMAC.clear()
+        for (client in clients) {
+            if (client == null) continue
+            try {
+                val mac = getMacAddress.invoke(client).toString().uppercase()
+
+                @Suppress("UNCHECKED_CAST")
+                val addresses = getAddresses.invoke(client) as List<*>
+                for (info in addresses) {
+                    if (info == null) continue
+                    val hostname = getHostname.invoke(info) as? String
+                    if (!hostname.isNullOrEmpty()) {
+                        hostnameByMAC[mac] = hostname
+                    }
+                }
+            } catch (e: Exception) {
+                Log.e("RootServer", "handleClientsChanged reflection error", e)
+            }
+        }
+        Log.d("RootServer", "tethered clients updated: ${hostnameByMAC.size} hostnames")
+        lastNeighborEntries?.let { broadcastEnrichedEntries(it) }
     }
 
     override fun onBind(intent: Intent): IBinder = binder
+
+    override fun onDestroy() {
+        stopTetheringMonitor()
+        neighborSubscription?.close()
+        neighborSubscription = null
+        neighborCallbacks.kill()
+        super.onDestroy()
+    }
 }

app/src/main/java/io/nekohasekai/sfa/bg/VPNService.kt

@@ -7,7 +7,7 @@ import android.net.VpnService
 import android.os.Build
 import android.os.IBinder
 import android.util.Log
-import io.nekohasekai.libbox.NeighborUpdateListener
+import io.nekohasekai.libbox.Libbox
 import io.nekohasekai.libbox.Notification
 import io.nekohasekai.libbox.TunOptions
 import io.nekohasekai.sfa.database.Settings
@@ -52,9 +52,6 @@ class VPNService :
         protect(fd)
     }
 
-    fun closeNeighborMonitor(listener: NeighborUpdateListener?) {
-    }
-
     var systemProxyAvailable = false
     var systemProxyEnabled = false
 
@@ -87,7 +84,12 @@ class VPNService :
         }
 
         if (options.autoRoute) {
-            builder.addDnsServer(options.dnsServerAddress.value)
+            if (options.dnsMode.value != Libbox.DNSModeDisabled) {
+                val dnsServerAddress = options.dnsServerAddress
+                while (dnsServerAddress.hasNext()) {
+                    builder.addDnsServer(dnsServerAddress.next())
+                }
+            }
 
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
                 val inet4RouteAddress = options.inet4RouteAddress
@@ -186,6 +188,4 @@ class VPNService :
     }
 
     override fun sendNotification(notification: Notification) = service.sendNotification(notification)
-    fun startNeighborMonitor(listener: NeighborUpdateListener?) {
-    }
 }

app/src/main/java/io/nekohasekai/sfa/compose/MainActivity.kt

@@ -87,6 +87,9 @@ import io.nekohasekai.libbox.Libbox
 import io.nekohasekai.sfa.Application
 import io.nekohasekai.sfa.BuildConfig
 import io.nekohasekai.sfa.R
+import io.nekohasekai.sfa.bg.BoxService
+import io.nekohasekai.sfa.bg.CrashReportManager
+import io.nekohasekai.sfa.bg.OOMReportManager
 import io.nekohasekai.sfa.bg.ServiceConnection
 import io.nekohasekai.sfa.bg.ServiceNotification
 import io.nekohasekai.sfa.compat.WindowSizeClassCompat
@@ -111,6 +114,7 @@ import io.nekohasekai.sfa.compose.screen.dashboard.DashboardViewModel
 import io.nekohasekai.sfa.compose.screen.dashboard.GroupsCard
 import io.nekohasekai.sfa.compose.screen.dashboard.groups.GroupsViewModel
 import io.nekohasekai.sfa.compose.screen.log.LogViewModel
+import io.nekohasekai.sfa.compose.screen.tools.TailscaleStatusViewModel
 import io.nekohasekai.sfa.compose.theme.SFATheme
 import io.nekohasekai.sfa.compose.topbar.LocalTopBarController
 import io.nekohasekai.sfa.compose.topbar.TopBarController
@@ -126,6 +130,7 @@ import io.nekohasekai.sfa.update.UpdateState
 import io.nekohasekai.sfa.vendor.Vendor
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
+import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 
@@ -327,6 +332,89 @@ class MainActivity :
 
         // Snackbar state
         val snackbarHostState = remember { SnackbarHostState() }
+        // Error dialog state for UiEvent.ShowError
+        var showErrorDialog by remember { mutableStateOf(false) }
+        var errorMessage by remember { mutableStateOf("") }
+        var pendingApplyServiceChangeMode by remember { mutableStateOf<UiEvent.ApplyServiceChange.Mode?>(null) }
+        var activeApplyServiceChangeMode by remember { mutableStateOf<UiEvent.ApplyServiceChange.Mode?>(null) }
+        var applyServiceChangeJob by remember { mutableStateOf<Job?>(null) }
+
+        fun mergeApplyServiceChangeMode(
+            current: UiEvent.ApplyServiceChange.Mode?,
+            incoming: UiEvent.ApplyServiceChange.Mode,
+        ): UiEvent.ApplyServiceChange.Mode = when {
+            current == UiEvent.ApplyServiceChange.Mode.Restart ||
+                incoming == UiEvent.ApplyServiceChange.Mode.Restart -> {
+                UiEvent.ApplyServiceChange.Mode.Restart
+            }
+
+            else -> incoming
+        }
+
+        fun enqueueApplyServiceChange(mode: UiEvent.ApplyServiceChange.Mode) {
+            if (currentServiceStatus != Status.Started) {
+                return
+            }
+
+            pendingApplyServiceChangeMode = mergeApplyServiceChangeMode(pendingApplyServiceChangeMode, mode)
+
+            val activeMode = activeApplyServiceChangeMode
+            if (activeMode != null &&
+                mergeApplyServiceChangeMode(activeMode, mode) != activeMode
+            ) {
+                snackbarHostState.currentSnackbarData?.dismiss()
+            }
+
+            if (applyServiceChangeJob?.isActive == true) {
+                return
+            }
+
+            applyServiceChangeJob =
+                scope.launch {
+                    while (true) {
+                        val modeToShow = pendingApplyServiceChangeMode ?: break
+                        pendingApplyServiceChangeMode = null
+                        activeApplyServiceChangeMode = modeToShow
+                        val (message, actionLabel) =
+                            when (modeToShow) {
+                                UiEvent.ApplyServiceChange.Mode.Reload -> {
+                                    getString(R.string.service_reload_required) to
+                                        getString(R.string.action_reload)
+                                }
+
+                                UiEvent.ApplyServiceChange.Mode.Restart -> {
+                                    getString(R.string.service_restart_required) to
+                                        getString(R.string.action_restart)
+                                }
+                            }
+                        val result =
+                            snackbarHostState.showSnackbar(
+                                message = message,
+                                actionLabel = actionLabel,
+                                duration = androidx.compose.material3.SnackbarDuration.Short,
+                            )
+                        activeApplyServiceChangeMode = null
+                        if (result == androidx.compose.material3.SnackbarResult.ActionPerformed) {
+                            try {
+                                when (modeToShow) {
+                                    UiEvent.ApplyServiceChange.Mode.Reload -> {
+                                        withContext(Dispatchers.IO) {
+                                            Libbox.newStandaloneCommandClient().serviceReload()
+                                        }
+                                    }
+
+                                    UiEvent.ApplyServiceChange.Mode.Restart -> {
+                                        restartServiceForApplyChange()
+                                    }
+                                }
+                            } catch (e: Exception) {
+                                errorMessage = e.message ?: e.toString()
+                                showErrorDialog = true
+                            }
+                        }
+                    }
+                }
+        }
 
         // Groups Sheet state
         var showGroupsSheet by remember { mutableStateOf(false) }
@@ -335,8 +423,6 @@ class MainActivity :
         var showConnectionsSheet by remember { mutableStateOf(false) }
 
         // Error dialog state for UiEvent.ShowError
-        var showErrorDialog by remember { mutableStateOf(false) }
-        var errorMessage by remember { mutableStateOf("") }
         val pendingIntentError = pendingIntentErrorMessage
         LaunchedEffect(pendingIntentError) {
             if (pendingIntentError != null) {
@@ -616,11 +702,13 @@ class MainActivity :
         val dashboardUiState by dashboardViewModel.uiState.collectAsState()
 
         val isSettingsSubScreen = currentRoute?.startsWith("settings/") == true
+        val isToolsSubScreen = currentRoute?.startsWith("tools/") == true
         val isConnectionsDetail = currentRoute?.startsWith("connections/detail") == true
         val isProfileRoute = currentRoute?.startsWith("profile/") == true
         val currentRootRoute =
             when {
                 isSettingsSubScreen -> Screen.Settings.route
+                isToolsSubScreen -> Screen.Tools.route
                 currentRoute?.startsWith(Screen.Connections.route) == true -> Screen.Connections.route
                 currentRoute?.startsWith(Screen.Log.route) == true -> Screen.Log.route
                 isProfileRoute -> Screen.Dashboard.route
@@ -630,7 +718,7 @@ class MainActivity :
         val isGroupsRoute = currentRootRoute == Screen.Groups.route
         val isLogRoute = currentRootRoute == Screen.Log.route
 
-        val isSubScreen = isSettingsSubScreen || isConnectionsDetail || isProfileRoute
+        val isSubScreen = isSettingsSubScreen || isToolsSubScreen || isConnectionsDetail || isProfileRoute
         // Get LogViewModel instance if we're on the Log screen
         val logViewModel: LogViewModel? =
             if (isLogRoute) {
@@ -660,6 +748,14 @@ class MainActivity :
                 null
             }
 
+        val isToolsRoute = currentRootRoute == Screen.Tools.route
+        val tailscaleStatusViewModel: TailscaleStatusViewModel? =
+            if (isToolsRoute) {
+                viewModel()
+            } else {
+                null
+            }
+
         val showGroupsInNav = dashboardUiState.hasGroups
         val showConnectionsInNav =
             currentServiceStatus == Status.Started || currentServiceStatus == Status.Starting
@@ -674,6 +770,7 @@ class MainActivity :
                     add(Screen.Connections)
                 }
                 add(Screen.Log)
+                add(Screen.Tools)
                 add(Screen.Settings)
             }
 
@@ -681,6 +778,7 @@ class MainActivity :
             buildSet {
                 add(Screen.Dashboard.route)
                 add(Screen.Log.route)
+                add(Screen.Tools.route)
                 add(Screen.Settings.route)
                 if (useNavigationRail && showGroupsInNav) {
                     add(Screen.Groups.route)
@@ -739,24 +837,7 @@ class MainActivity :
                         }
                     }
 
-                    is UiEvent.RestartToTakeEffect -> {
-                        if (currentServiceStatus == Status.Started) {
-                            scope.launch {
-                                snackbarHostState.currentSnackbarData?.dismiss()
-                                val result =
-                                    snackbarHostState.showSnackbar(
-                                        message = "Restart to take effect",
-                                        actionLabel = "Restart",
-                                        duration = androidx.compose.material3.SnackbarDuration.Short,
-                                    )
-                                if (result == androidx.compose.material3.SnackbarResult.ActionPerformed) {
-                                    withContext(Dispatchers.IO) {
-                                        Libbox.newStandaloneCommandClient().serviceReload()
-                                    }
-                                }
-                            }
-                        }
-                    }
+                    is UiEvent.ApplyServiceChange -> enqueueApplyServiceChange(event.mode)
                 }
             }
         }
@@ -789,6 +870,7 @@ class MainActivity :
                     logViewModel = logViewModel,
                     groupsViewModel = groupsViewModel,
                     connectionsViewModel = connectionsViewModel,
+                    tailscaleStatusViewModel = tailscaleStatusViewModel,
                     modifier = Modifier.fillMaxSize(),
                 )
                 if (!useNavigationRail) {
@@ -919,6 +1001,17 @@ class MainActivity :
             }
         }
 
+        val crashReportUnreadCount by CrashReportManager.unreadCount.collectAsState()
+        val oomReportUnreadCount by OOMReportManager.unreadCount.collectAsState()
+        val toolsUnreadCount = crashReportUnreadCount + oomReportUnreadCount
+
+        LaunchedEffect(Unit) {
+            withContext(Dispatchers.IO) {
+                CrashReportManager.refresh()
+                OOMReportManager.refresh()
+            }
+        }
+
         CompositionLocalProvider(LocalTopBarController provides topBarController) {
             if (useNavigationRail) {
                 Row(modifier = Modifier.fillMaxSize()) {
@@ -936,6 +1029,10 @@ class MainActivity :
                                             BadgedBox(badge = { Badge(containerColor = MaterialTheme.colorScheme.primary) }) {
                                                 Icon(screen.icon, contentDescription = null)
                                             }
+                                        } else if (screen == Screen.Tools && toolsUnreadCount > 0) {
+                                            BadgedBox(badge = { Badge(containerColor = MaterialTheme.colorScheme.error) { Text("$toolsUnreadCount") } }) {
+                                                Icon(screen.icon, contentDescription = null)
+                                            }
                                         } else {
                                             Icon(screen.icon, contentDescription = null)
                                         }
@@ -980,6 +1077,10 @@ class MainActivity :
                                                 BadgedBox(badge = { Badge(containerColor = MaterialTheme.colorScheme.primary) }) {
                                                     Icon(screen.icon, contentDescription = null)
                                                 }
+                                            } else if (screen == Screen.Tools && toolsUnreadCount > 0) {
+                                                BadgedBox(badge = { Badge(containerColor = MaterialTheme.colorScheme.error) { Text("$toolsUnreadCount") } }) {
+                                                    Icon(screen.icon, contentDescription = null)
+                                                }
                                             } else {
                                                 Icon(screen.icon, contentDescription = null)
                                             }
@@ -1192,6 +1293,30 @@ class MainActivity :
         showBackgroundLocationDialog = true
     }
 
+    private suspend fun restartServiceForApplyChange() {
+        if (currentServiceStatus != Status.Started) {
+            return
+        }
+
+        BoxService.stop()
+        while (true) {
+            when (currentServiceStatus) {
+                Status.Stopped -> {
+                    startService()
+                    return
+                }
+
+                Status.Starting -> {
+                    return
+                }
+
+                Status.Started, Status.Stopping -> {
+                    delay(100L)
+                }
+            }
+        }
+    }
+
     override fun onDestroy() {
         connection.disconnect()
         super.onDestroy()

app/src/main/java/io/nekohasekai/sfa/compose/base/ApplyServiceChangeNotifier.kt

@@ -0,0 +1,16 @@
+package io.nekohasekai.sfa.compose.base
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import io.nekohasekai.sfa.constant.Status
+
+@Composable
+fun rememberApplyServiceChangeNotifier(
+    serviceStatus: Status,
+): (UiEvent.ApplyServiceChange.Mode) -> Unit = remember(serviceStatus) {
+    { mode ->
+        if (serviceStatus == Status.Started) {
+            GlobalEventBus.tryEmit(UiEvent.ApplyServiceChange(mode))
+        }
+    }
+}

app/src/main/java/io/nekohasekai/sfa/compose/base/UiEvent.kt

@@ -19,7 +19,12 @@ sealed class UiEvent {
 
     object RequestReconnectService : UiEvent()
 
-    object RestartToTakeEffect : UiEvent()
+    data class ApplyServiceChange(val mode: Mode) : UiEvent() {
+        enum class Mode {
+            Reload,
+            Restart,
+        }
+    }
 }
 
 /**

app/src/main/java/io/nekohasekai/sfa/compose/model/Connection.kt

@@ -1,7 +1,6 @@
 package io.nekohasekai.sfa.compose.model
 
 import androidx.compose.runtime.Immutable
-import io.nekohasekai.libbox.packageNames
 import io.nekohasekai.sfa.ktx.toList
 import io.nekohasekai.libbox.Connection as LibboxConnection
 import io.nekohasekai.libbox.ProcessInfo as LibboxProcessInfo

app/src/main/java/io/nekohasekai/sfa/compose/navigation/NavigationDestinations.kt

@@ -7,6 +7,7 @@ import androidx.compose.material.icons.filled.Dashboard
 import androidx.compose.material.icons.filled.Folder
 import androidx.compose.material.icons.filled.Settings
 import androidx.compose.material.icons.filled.SwapVert
+import androidx.compose.material.icons.filled.Terminal
 import androidx.compose.ui.graphics.vector.ImageVector
 import io.nekohasekai.sfa.R
 
@@ -35,6 +36,12 @@ sealed class Screen(val route: String, @StringRes val titleRes: Int, val icon: I
         icon = Icons.Default.SwapVert,
     )
 
+    object Tools : Screen(
+        route = "tools",
+        titleRes = R.string.title_tools,
+        icon = Icons.Default.Terminal,
+    )
+
     object Settings : Screen(
         route = "settings",
         titleRes = R.string.title_settings,
@@ -46,5 +53,6 @@ val bottomNavigationScreens =
     listOf(
         Screen.Dashboard,
         Screen.Log,
+        Screen.Tools,
         Screen.Settings,
     )

app/src/main/java/io/nekohasekai/sfa/compose/navigation/SFANavigation.kt

@@ -7,6 +7,7 @@ import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.ui.Modifier
+import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavHostController
 import androidx.navigation.NavType
 import androidx.navigation.compose.NavHost
@@ -33,6 +34,21 @@ import io.nekohasekai.sfa.compose.screen.settings.PrivilegeSettingsScreen
 import io.nekohasekai.sfa.compose.screen.settings.ProfileOverrideScreen
 import io.nekohasekai.sfa.compose.screen.settings.ServiceSettingsScreen
 import io.nekohasekai.sfa.compose.screen.settings.SettingsScreen
+import io.nekohasekai.sfa.compose.screen.tools.CrashReportDetailScreen
+import io.nekohasekai.sfa.compose.screen.tools.CrashReportFileContentScreen
+import io.nekohasekai.sfa.compose.screen.tools.CrashReportListScreen
+import io.nekohasekai.sfa.compose.screen.tools.CrashReportMetadataScreen
+import io.nekohasekai.sfa.compose.screen.tools.NetworkQualityScreen
+import io.nekohasekai.sfa.compose.screen.tools.OOMReportDetailScreen
+import io.nekohasekai.sfa.compose.screen.tools.OOMReportFileContentScreen
+import io.nekohasekai.sfa.compose.screen.tools.OOMReportListScreen
+import io.nekohasekai.sfa.compose.screen.tools.OOMReportMetadataScreen
+import io.nekohasekai.sfa.compose.screen.tools.OutboundPickerScreen
+import io.nekohasekai.sfa.compose.screen.tools.STUNTestScreen
+import io.nekohasekai.sfa.compose.screen.tools.TailscaleEndpointScreen
+import io.nekohasekai.sfa.compose.screen.tools.TailscalePeerScreen
+import io.nekohasekai.sfa.compose.screen.tools.TailscaleStatusViewModel
+import io.nekohasekai.sfa.compose.screen.tools.ToolsScreen
 import io.nekohasekai.sfa.constant.Status
 
 private val slideInFromRight: AnimatedContentTransitionScope<*>.() -> androidx.compose.animation.EnterTransition = {
@@ -64,6 +80,7 @@ fun SFANavHost(
     logViewModel: LogViewModel? = null,
     groupsViewModel: GroupsViewModel? = null,
     connectionsViewModel: ConnectionsViewModel? = null,
+    tailscaleStatusViewModel: TailscaleStatusViewModel? = null,
     modifier: Modifier = Modifier,
 ) {
     NavHost(
@@ -210,6 +227,174 @@ fun SFANavHost(
             }
         }
 
+        composable(Screen.Tools.route) {
+            val tailscaleViewModel: TailscaleStatusViewModel = tailscaleStatusViewModel ?: viewModel()
+            ToolsScreen(navController = navController, serviceStatus = serviceStatus, tailscaleViewModel = tailscaleViewModel)
+        }
+
+        // Tools subscreens with slide animations
+        composable(
+            route = "tools/network_quality",
+            enterTransition = slideInFromRight,
+            exitTransition = slideOutToLeft,
+            popEnterTransition = slideInFromLeft,
+            popExitTransition = slideOutToRight,
+        ) {
+            NetworkQualityScreen(navController = navController, serviceStatus = serviceStatus)
+        }
+
+        composable(
+            route = "tools/stun_test",
+            enterTransition = slideInFromRight,
+            exitTransition = slideOutToLeft,
+            popEnterTransition = slideInFromLeft,
+            popExitTransition = slideOutToRight,
+        ) {
+            STUNTestScreen(navController = navController, serviceStatus = serviceStatus)
+        }
+
+        composable(
+            route = "tools/outbound_picker/{selectedOutbound}",
+            arguments = listOf(navArgument("selectedOutbound") { type = NavType.StringType }),
+            enterTransition = slideInFromRight,
+            exitTransition = slideOutToLeft,
+            popEnterTransition = slideInFromLeft,
+            popExitTransition = slideOutToRight,
+        ) { backStackEntry ->
+            val selectedOutbound = Uri.decode(backStackEntry.arguments?.getString("selectedOutbound") ?: "")
+            OutboundPickerScreen(navController = navController, selectedOutbound = selectedOutbound)
+        }
+
+        composable(
+            route = "tools/tailscale/{endpointTag}",
+            arguments = listOf(navArgument("endpointTag") { type = NavType.StringType }),
+            enterTransition = slideInFromRight,
+            exitTransition = slideOutToLeft,
+            popEnterTransition = slideInFromLeft,
+            popExitTransition = slideOutToRight,
+        ) { backStackEntry ->
+            val endpointTag = Uri.decode(backStackEntry.arguments?.getString("endpointTag") ?: return@composable)
+            val tailscaleViewModel: TailscaleStatusViewModel = tailscaleStatusViewModel ?: viewModel()
+            TailscaleEndpointScreen(navController = navController, viewModel = tailscaleViewModel, endpointTag = endpointTag)
+        }
+
+        composable(
+            route = "tools/tailscale/{endpointTag}/peer/{peerId}",
+            arguments = listOf(
+                navArgument("endpointTag") { type = NavType.StringType },
+                navArgument("peerId") { type = NavType.StringType },
+            ),
+            enterTransition = slideInFromRight,
+            exitTransition = slideOutToLeft,
+            popEnterTransition = slideInFromLeft,
+            popExitTransition = slideOutToRight,
+        ) { backStackEntry ->
+            val endpointTag = Uri.decode(backStackEntry.arguments?.getString("endpointTag") ?: return@composable)
+            val peerId = Uri.decode(backStackEntry.arguments?.getString("peerId") ?: return@composable)
+            val tailscaleViewModel: TailscaleStatusViewModel = tailscaleStatusViewModel ?: viewModel()
+            TailscalePeerScreen(navController = navController, viewModel = tailscaleViewModel, endpointTag = endpointTag, peerId = peerId)
+        }
+
+        composable(
+            route = "tools/crash_report",
+            enterTransition = slideInFromRight,
+            exitTransition = slideOutToLeft,
+            popEnterTransition = slideInFromLeft,
+            popExitTransition = slideOutToRight,
+        ) {
+            CrashReportListScreen(navController = navController)
+        }
+
+        composable(
+            route = "tools/crash_report/{reportId}",
+            arguments = listOf(navArgument("reportId") { type = NavType.StringType }),
+            enterTransition = slideInFromRight,
+            exitTransition = slideOutToLeft,
+            popEnterTransition = slideInFromLeft,
+            popExitTransition = slideOutToRight,
+        ) { backStackEntry ->
+            val reportId = backStackEntry.arguments?.getString("reportId") ?: return@composable
+            CrashReportDetailScreen(navController = navController, reportId = reportId)
+        }
+
+        composable(
+            route = "tools/crash_report/{reportId}/metadata",
+            arguments = listOf(navArgument("reportId") { type = NavType.StringType }),
+            enterTransition = slideInFromRight,
+            exitTransition = slideOutToLeft,
+            popEnterTransition = slideInFromLeft,
+            popExitTransition = slideOutToRight,
+        ) { backStackEntry ->
+            val reportId = backStackEntry.arguments?.getString("reportId") ?: return@composable
+            CrashReportMetadataScreen(navController = navController, reportId = reportId)
+        }
+
+        composable(
+            route = "tools/crash_report/{reportId}/file/{fileKind}",
+            arguments = listOf(
+                navArgument("reportId") { type = NavType.StringType },
+                navArgument("fileKind") { type = NavType.StringType },
+            ),
+            enterTransition = slideInFromRight,
+            exitTransition = slideOutToLeft,
+            popEnterTransition = slideInFromLeft,
+            popExitTransition = slideOutToRight,
+        ) { backStackEntry ->
+            val reportId = backStackEntry.arguments?.getString("reportId") ?: return@composable
+            val fileKind = backStackEntry.arguments?.getString("fileKind") ?: return@composable
+            CrashReportFileContentScreen(navController = navController, reportId = reportId, fileKind = fileKind)
+        }
+
+        composable(
+            route = "tools/oom_report",
+            enterTransition = slideInFromRight,
+            exitTransition = slideOutToLeft,
+            popEnterTransition = slideInFromLeft,
+            popExitTransition = slideOutToRight,
+        ) {
+            OOMReportListScreen(navController = navController, serviceStatus = serviceStatus)
+        }
+
+        composable(
+            route = "tools/oom_report/{reportId}",
+            arguments = listOf(navArgument("reportId") { type = NavType.StringType }),
+            enterTransition = slideInFromRight,
+            exitTransition = slideOutToLeft,
+            popEnterTransition = slideInFromLeft,
+            popExitTransition = slideOutToRight,
+        ) { backStackEntry ->
+            val reportId = backStackEntry.arguments?.getString("reportId") ?: return@composable
+            OOMReportDetailScreen(navController = navController, reportId = reportId)
+        }
+
+        composable(
+            route = "tools/oom_report/{reportId}/metadata",
+            arguments = listOf(navArgument("reportId") { type = NavType.StringType }),
+            enterTransition = slideInFromRight,
+            exitTransition = slideOutToLeft,
+            popEnterTransition = slideInFromLeft,
+            popExitTransition = slideOutToRight,
+        ) { backStackEntry ->
+            val reportId = backStackEntry.arguments?.getString("reportId") ?: return@composable
+            OOMReportMetadataScreen(navController = navController, reportId = reportId)
+        }
+
+        composable(
+            route = "tools/oom_report/{reportId}/file/{fileKind}",
+            arguments = listOf(
+                navArgument("reportId") { type = NavType.StringType },
+                navArgument("fileKind") { type = NavType.StringType },
+            ),
+            enterTransition = slideInFromRight,
+            exitTransition = slideOutToLeft,
+            popEnterTransition = slideInFromLeft,
+            popExitTransition = slideOutToRight,
+        ) { backStackEntry ->
+            val reportId = backStackEntry.arguments?.getString("reportId") ?: return@composable
+            val fileKind = backStackEntry.arguments?.getString("fileKind") ?: return@composable
+            OOMReportFileContentScreen(navController = navController, reportId = reportId, fileKind = fileKind)
+        }
+
         composable(Screen.Settings.route) {
             SettingsScreen(navController = navController)
         }
@@ -222,7 +407,7 @@ fun SFANavHost(
             popEnterTransition = slideInFromLeft,
             popExitTransition = slideOutToRight,
         ) {
-            AppSettingsScreen(navController = navController)
+            AppSettingsScreen(navController = navController, serviceStatus = serviceStatus)
         }
 
         composable(
@@ -252,7 +437,7 @@ fun SFANavHost(
             popEnterTransition = slideInFromLeft,
             popExitTransition = slideOutToRight,
         ) {
-            ServiceSettingsScreen(navController = navController)
+            ServiceSettingsScreen(navController = navController, serviceStatus = serviceStatus)
         }
 
         composable(
@@ -262,7 +447,7 @@ fun SFANavHost(
             popEnterTransition = slideInFromLeft,
             popExitTransition = slideOutToRight,
         ) {
-            ProfileOverrideScreen(navController = navController)
+            ProfileOverrideScreen(navController = navController, serviceStatus = serviceStatus)
         }
 
         composable(
@@ -272,7 +457,7 @@ fun SFANavHost(
             popEnterTransition = slideInFromLeft,
             popExitTransition = slideOutToRight,
         ) {
-            PerAppProxyScreen(onBack = { navController.navigateUp() })
+            PerAppProxyScreen(onBack = { navController.navigateUp() }, serviceStatus = serviceStatus)
         }
 
         composable(
@@ -292,7 +477,7 @@ fun SFANavHost(
             popEnterTransition = slideInFromLeft,
             popExitTransition = slideOutToRight,
         ) {
-            PrivilegeSettingsManageScreen(onBack = { navController.navigateUp() })
+            PrivilegeSettingsManageScreen(onBack = { navController.navigateUp() }, serviceStatus = serviceStatus)
         }
 
         composable(

app/src/main/java/io/nekohasekai/sfa/compose/screen/privilegesettings/PrivilegeSettingsManageScreen.kt

@@ -53,11 +53,14 @@ import androidx.compose.ui.platform.LocalFocusManager
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import io.nekohasekai.sfa.R
+import io.nekohasekai.sfa.compose.base.UiEvent
+import io.nekohasekai.sfa.compose.base.rememberApplyServiceChangeNotifier
 import io.nekohasekai.sfa.compose.shared.AppSelectionCard
 import io.nekohasekai.sfa.compose.shared.PackageCache
 import io.nekohasekai.sfa.compose.shared.SortMode
 import io.nekohasekai.sfa.compose.shared.buildDisplayPackages
 import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
+import io.nekohasekai.sfa.constant.Status
 import io.nekohasekai.sfa.database.Settings
 import io.nekohasekai.sfa.ktx.clipboardText
 import io.nekohasekai.sfa.utils.PrivilegeSettingsClient
@@ -95,10 +98,14 @@ private enum class RiskCategory {
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun PrivilegeSettingsManageScreen(onBack: () -> Unit) {
+fun PrivilegeSettingsManageScreen(
+    onBack: () -> Unit,
+    serviceStatus: Status = Status.Stopped,
+) {
     val context = LocalContext.current
     val focusManager = LocalFocusManager.current
     val coroutineScope = rememberCoroutineScope()
+    val notifyApplyChange = rememberApplyServiceChangeNotifier(serviceStatus)
 
     var sortMode by remember { mutableStateOf(SortMode.NAME) }
     var sortReverse by remember { mutableStateOf(false) }
@@ -176,6 +183,8 @@ fun PrivilegeSettingsManageScreen(onBack: () -> Unit) {
                 }
             if (failure != null) {
                 syncErrorMessage = failure.message ?: failure.toString()
+            } else {
+                notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Reload)
             }
         }
     }

app/src/main/java/io/nekohasekai/sfa/compose/screen/profileoverride/PerAppProxyScreen.kt

@@ -77,11 +77,14 @@ import androidx.compose.ui.window.DialogProperties
 import com.android.tools.smali.dexlib2.dexbacked.DexBackedDexFile
 import io.nekohasekai.sfa.Application
 import io.nekohasekai.sfa.R
+import io.nekohasekai.sfa.compose.base.UiEvent
+import io.nekohasekai.sfa.compose.base.rememberApplyServiceChangeNotifier
 import io.nekohasekai.sfa.compose.shared.AppSelectionCard
 import io.nekohasekai.sfa.compose.shared.PackageCache
 import io.nekohasekai.sfa.compose.shared.SortMode
 import io.nekohasekai.sfa.compose.shared.buildDisplayPackages
 import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
+import io.nekohasekai.sfa.constant.Status
 import io.nekohasekai.sfa.database.Settings
 import io.nekohasekai.sfa.ktx.clipboardText
 import io.nekohasekai.sfa.vendor.PackageQueryManager
@@ -106,10 +109,14 @@ private sealed class ScanResult {
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun PerAppProxyScreen(onBack: () -> Unit) {
+fun PerAppProxyScreen(
+    onBack: () -> Unit,
+    serviceStatus: Status = Status.Stopped,
+) {
     val context = LocalContext.current
     val focusManager = LocalFocusManager.current
     val coroutineScope = rememberCoroutineScope()
+    val notifyApplyChange = rememberApplyServiceChangeNotifier(serviceStatus)
 
     var proxyMode by remember { mutableStateOf(Settings.perAppProxyMode) }
     var sortMode by remember { mutableStateOf(SortMode.NAME) }
@@ -164,7 +171,10 @@ fun PerAppProxyScreen(onBack: () -> Unit) {
 
     fun saveSelectedApplications(newUids: Set<Int>) {
         coroutineScope.launch {
-            Settings.perAppProxyList = buildPackageList(newUids)
+            withContext(Dispatchers.IO) {
+                Settings.perAppProxyList = buildPackageList(newUids)
+            }
+            notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Reload)
         }
     }
 
@@ -323,7 +333,10 @@ fun PerAppProxyScreen(onBack: () -> Unit) {
                     onModeChange = { mode ->
                         proxyMode = mode
                         coroutineScope.launch {
-                            Settings.perAppProxyMode = mode
+                            withContext(Dispatchers.IO) {
+                                Settings.perAppProxyMode = mode
+                            }
+                            notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Reload)
                         }
                     },
                     onSortModeChange = { mode ->

app/src/main/java/io/nekohasekai/sfa/compose/screen/settings/AppSettingsScreen.kt

@@ -84,12 +84,14 @@ import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.compose.LifecycleEventEffect
 import androidx.navigation.NavController
 import io.nekohasekai.libbox.Libbox
-import io.nekohasekai.libbox.getFDroidMirrors
 import io.nekohasekai.sfa.Application
 import io.nekohasekai.sfa.BuildConfig
 import io.nekohasekai.sfa.R
+import io.nekohasekai.sfa.compose.base.UiEvent
+import io.nekohasekai.sfa.compose.base.rememberApplyServiceChangeNotifier
 import io.nekohasekai.sfa.compose.component.UpdateAvailableDialog
 import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
+import io.nekohasekai.sfa.constant.Status
 import io.nekohasekai.sfa.database.Settings
 import io.nekohasekai.sfa.ktx.clipboardText
 import io.nekohasekai.sfa.update.UpdateCheckException
@@ -110,7 +112,10 @@ import android.provider.Settings as AndroidSettings
 
 @OptIn(ExperimentalMaterial3Api::class, ExperimentalFoundationApi::class)
 @Composable
-fun AppSettingsScreen(navController: NavController) {
+fun AppSettingsScreen(
+    navController: NavController,
+    serviceStatus: Status = Status.Stopped,
+) {
     OverrideTopBar {
         TopAppBar(
             title = { Text(stringResource(R.string.title_app_settings)) },
@@ -156,6 +161,7 @@ fun AppSettingsScreen(navController: NavController) {
     var notificationEnabled by remember { mutableStateOf(true) }
     var dynamicNotification by remember { mutableStateOf(Settings.dynamicNotification) }
     var showDisableNotificationDialog by remember { mutableStateOf(false) }
+    val notifyApplyChange = rememberApplyServiceChangeNotifier(serviceStatus)
 
     var showLanguageDialog by remember { mutableStateOf(false) }
     val availableLocales = remember { getSupportedLocales(context) }
@@ -680,6 +686,9 @@ fun AppSettingsScreen(navController: NavController) {
                                 dynamicNotification = checked
                                 scope.launch(Dispatchers.IO) {
                                     Settings.dynamicNotification = checked
+                                    withContext(Dispatchers.Main) {
+                                        notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Restart)
+                                    }
                                 }
                             },
                         )
@@ -839,7 +848,7 @@ fun AppSettingsScreen(navController: NavController) {
                         supportingContent = {
                             val mirrorUrl = Settings.fdroidMirrorUrl
                             val mirrorName = remember(mirrorUrl) {
-                                val iter = getFDroidMirrors()
+                                val iter = Libbox.getFDroidMirrors()
                                 var name: String? = null
                                 while (iter.hasNext()) {
                                     val m = iter.next()

app/src/main/java/io/nekohasekai/sfa/compose/screen/settings/FDroidMirrorScreen.kt

@@ -52,8 +52,6 @@ import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
 import io.nekohasekai.libbox.Libbox
-import io.nekohasekai.libbox.getFDroidMirrors
-import io.nekohasekai.libbox.pingFDroidMirror
 import io.nekohasekai.sfa.R
 import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
 import io.nekohasekai.sfa.database.Settings
@@ -101,7 +99,7 @@ fun FDroidMirrorScreen(navController: NavController) {
 
     val builtinMirrors = remember {
         val mirrors = mutableListOf<MirrorEntry>()
-        val iter = getFDroidMirrors()
+        val iter = Libbox.getFDroidMirrors()
         while (iter.hasNext()) {
             val m = iter.next()
             mirrors.add(MirrorEntry(url = m.url, name = m.name, country = m.country))
@@ -134,7 +132,7 @@ fun FDroidMirrorScreen(navController: NavController) {
         scope.launch {
             allMirrors.map { mirror ->
                 async(Dispatchers.IO) {
-                    val r = pingFDroidMirror(mirror.url)
+                    val r = Libbox.pingFDroidMirror(mirror.url)
                     withContext(Dispatchers.Main) {
                         if (r.latencyMs < 0) {
                             latencyErrors[r.url] = true

app/src/main/java/io/nekohasekai/sfa/compose/screen/settings/PrivilegeSettingsScreen.kt

@@ -62,9 +62,9 @@ import androidx.core.content.FileProvider
 import androidx.navigation.NavController
 import io.nekohasekai.libbox.Libbox
 import io.nekohasekai.sfa.R
-import io.nekohasekai.sfa.compose.base.GlobalEventBus
 import io.nekohasekai.sfa.compose.base.SelectableMessageDialog
 import io.nekohasekai.sfa.compose.base.UiEvent
+import io.nekohasekai.sfa.compose.base.rememberApplyServiceChangeNotifier
 import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
 import io.nekohasekai.sfa.constant.Status
 import io.nekohasekai.sfa.database.Settings
@@ -101,6 +101,7 @@ fun PrivilegeSettingsScreen(navController: NavController, serviceStatus: Status
 
     val context = LocalContext.current
     val scope = rememberCoroutineScope()
+    val notifyApplyChange = rememberApplyServiceChangeNotifier(serviceStatus)
     val systemHookStatus by HookStatusClient.status.collectAsState()
     var privilegeSettingsEnabled by remember { mutableStateOf(Settings.privilegeSettingsEnabled) }
 
@@ -198,8 +199,8 @@ fun PrivilegeSettingsScreen(navController: NavController, serviceStatus: Status
                                 messageDialogTitle = context.getString(R.string.error_title)
                                 messageDialogMessage = failure.message ?: failure.toString()
                                 showMessageDialog = true
-                            } else if (serviceStatus == Status.Started) {
-                                GlobalEventBus.tryEmit(UiEvent.RestartToTakeEffect)
+                            } else {
+                                notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Reload)
                             }
                         }
                     },
@@ -608,8 +609,8 @@ fun PrivilegeSettingsScreen(navController: NavController, serviceStatus: Status
                                         messageDialogTitle = context.getString(R.string.error_title)
                                         messageDialogMessage = failure.message ?: failure.toString()
                                         showMessageDialog = true
-                                    } else if (checked && serviceStatus == Status.Started) {
-                                        GlobalEventBus.tryEmit(UiEvent.RestartToTakeEffect)
+                                    } else {
+                                        notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Reload)
                                     }
                                 }
                             },
@@ -716,8 +717,8 @@ fun PrivilegeSettingsScreen(navController: NavController, serviceStatus: Status
                                         messageDialogTitle = context.getString(R.string.error_title)
                                         messageDialogMessage = failure.message ?: failure.toString()
                                         showMessageDialog = true
-                                    } else if (serviceStatus == Status.Started) {
-                                        GlobalEventBus.tryEmit(UiEvent.RestartToTakeEffect)
+                                    } else {
+                                        notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Reload)
                                     }
                                 }
                             },

app/src/main/java/io/nekohasekai/sfa/compose/screen/settings/ProfileOverrideScreen.kt

@@ -57,8 +57,11 @@ import androidx.lifecycle.LifecycleEventObserver
 import androidx.navigation.NavController
 import io.nekohasekai.sfa.R
 import io.nekohasekai.sfa.bg.RootClient
+import io.nekohasekai.sfa.compose.base.UiEvent
+import io.nekohasekai.sfa.compose.base.rememberApplyServiceChangeNotifier
 import io.nekohasekai.sfa.compose.screen.profileoverride.PerAppProxyScanner
 import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
+import io.nekohasekai.sfa.constant.Status
 import io.nekohasekai.sfa.database.Settings
 import io.nekohasekai.sfa.vendor.PackageQueryManager
 import kotlinx.coroutines.Dispatchers
@@ -67,7 +70,10 @@ import kotlinx.coroutines.withContext
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun ProfileOverrideScreen(navController: NavController) {
+fun ProfileOverrideScreen(
+    navController: NavController,
+    serviceStatus: Status = Status.Stopped,
+) {
     OverrideTopBar {
         TopAppBar(
             title = { Text(stringResource(R.string.profile_override)) },
@@ -89,8 +95,9 @@ fun ProfileOverrideScreen(navController: NavController) {
     var perAppProxyEnabled by remember { mutableStateOf(Settings.perAppProxyEnabled) }
     var managedModeEnabled by remember { mutableStateOf(Settings.perAppProxyManagedMode) }
     var isScanning by remember { mutableStateOf(false) }
+    val notifyApplyChange = rememberApplyServiceChangeNotifier(serviceStatus)
 
-    fun scanAndSaveManagedList() {
+    fun scanAndSaveManagedList(shouldNotify: Boolean = false) {
         isScanning = true
         scope.launch {
             val chinaApps = PerAppProxyScanner.scanAllChinaApps()
@@ -98,6 +105,9 @@ fun ProfileOverrideScreen(navController: NavController) {
                 Settings.perAppProxyManagedList = chinaApps
             }
             isScanning = false
+            if (shouldNotify) {
+                notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Reload)
+            }
         }
     }
 
@@ -169,7 +179,9 @@ fun ProfileOverrideScreen(navController: NavController) {
                 Settings.perAppProxyEnabled = true
             }
             if (managedModeEnabled) {
-                scanAndSaveManagedList()
+                scanAndSaveManagedList(shouldNotify = true)
+            } else {
+                notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Reload)
             }
         }
     }
@@ -227,6 +239,7 @@ fun ProfileOverrideScreen(navController: NavController) {
                                         withContext(Dispatchers.IO) {
                                             Settings.autoRedirect = true
                                         }
+                                        notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Reload)
                                     } else {
                                         Toast.makeText(
                                             context,
@@ -239,6 +252,9 @@ fun ProfileOverrideScreen(navController: NavController) {
                                 autoRedirect = false
                                 scope.launch(Dispatchers.IO) {
                                     Settings.autoRedirect = false
+                                    withContext(Dispatchers.Main) {
+                                        notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Reload)
+                                    }
                                 }
                             }
                         },
@@ -364,9 +380,14 @@ fun ProfileOverrideScreen(navController: NavController) {
                                     perAppProxyEnabled = checked
                                     scope.launch(Dispatchers.IO) {
                                         Settings.perAppProxyEnabled = checked
+                                        if (!checked || !managedModeEnabled) {
+                                            withContext(Dispatchers.Main) {
+                                                notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Reload)
+                                            }
+                                        }
                                     }
                                     if (checked && managedModeEnabled) {
-                                        scanAndSaveManagedList()
+                                        scanAndSaveManagedList(shouldNotify = true)
                                     }
                                 }
                             },
@@ -475,11 +496,14 @@ fun ProfileOverrideScreen(navController: NavController) {
                                             scope.launch(Dispatchers.IO) {
                                                 Settings.perAppProxyManagedMode = true
                                             }
-                                            scanAndSaveManagedList()
+                                            scanAndSaveManagedList(shouldNotify = true)
                                         } else {
                                             managedModeEnabled = false
                                             scope.launch(Dispatchers.IO) {
                                                 Settings.perAppProxyManagedMode = false
+                                                withContext(Dispatchers.Main) {
+                                                    notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Reload)
+                                                }
                                             }
                                         }
                                     },
@@ -515,9 +539,14 @@ fun ProfileOverrideScreen(navController: NavController) {
                                     perAppProxyEnabled = true
                                     scope.launch(Dispatchers.IO) {
                                         Settings.perAppProxyEnabled = true
+                                        if (!managedModeEnabled) {
+                                            withContext(Dispatchers.Main) {
+                                                notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Reload)
+                                            }
+                                        }
                                     }
                                     if (managedModeEnabled) {
-                                        scanAndSaveManagedList()
+                                        scanAndSaveManagedList(shouldNotify = true)
                                     }
                                 },
                             ) {
@@ -593,7 +622,9 @@ fun ProfileOverrideScreen(navController: NavController) {
                                         Settings.perAppProxyEnabled = true
                                     }
                                     if (managedModeEnabled) {
-                                        scanAndSaveManagedList()
+                                        scanAndSaveManagedList(shouldNotify = true)
+                                    } else {
+                                        notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Reload)
                                     }
                                 } else {
                                     showRootDialog = false
@@ -652,6 +683,7 @@ fun ProfileOverrideScreen(navController: NavController) {
                                         Settings.perAppProxyEnabled = false
                                     }
                                 }
+                                notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Reload)
                                 showModeDialog = false
                             },
                             colors = ListItemDefaults.colors(
@@ -672,6 +704,7 @@ fun ProfileOverrideScreen(navController: NavController) {
                                 scope.launch(Dispatchers.IO) {
                                     Settings.perAppProxyPackageQueryMode = Settings.PACKAGE_QUERY_MODE_ROOT
                                 }
+                                notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Reload)
                                 showModeDialog = false
                             },
                             colors = ListItemDefaults.colors(

app/src/main/java/io/nekohasekai/sfa/compose/screen/settings/ServiceSettingsScreen.kt

@@ -57,15 +57,23 @@ import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
 import io.nekohasekai.sfa.R
 import io.nekohasekai.sfa.bg.ServiceConnection
+import io.nekohasekai.sfa.compose.base.UiEvent
+import io.nekohasekai.sfa.compose.base.rememberApplyServiceChangeNotifier
 import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
+import io.nekohasekai.sfa.constant.Status
 import io.nekohasekai.sfa.database.Settings
 import io.nekohasekai.sfa.ktx.launchCustomTab
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun ServiceSettingsScreen(navController: NavController, serviceConnection: ServiceConnection? = null) {
+fun ServiceSettingsScreen(
+    navController: NavController,
+    serviceConnection: ServiceConnection? = null,
+    serviceStatus: Status = Status.Stopped,
+) {
     OverrideTopBar {
         TopAppBar(
             title = { Text(stringResource(R.string.service)) },
@@ -84,6 +92,7 @@ fun ServiceSettingsScreen(navController: NavController, serviceConnection: Servi
     val scope = rememberCoroutineScope()
     var isBatteryOptimizationIgnored by remember { mutableStateOf(false) }
     var allowBypass by remember { mutableStateOf(Settings.allowBypass) }
+    val notifyApplyChange = rememberApplyServiceChangeNotifier(serviceStatus)
     val requestBatteryOptimizationLauncher =
         rememberLauncherForActivityResult(
             ActivityResultContracts.StartActivityForResult(),
@@ -255,6 +264,9 @@ fun ServiceSettingsScreen(navController: NavController, serviceConnection: Servi
                             allowBypass = checked
                             scope.launch(Dispatchers.IO) {
                                 Settings.allowBypass = checked
+                                withContext(Dispatchers.Main) {
+                                    notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Reload)
+                                }
                             }
                         },
                     )

app/src/main/java/io/nekohasekai/sfa/compose/screen/tools/CrashReportDetailScreen.kt

@@ -0,0 +1,459 @@
+package io.nekohasekai.sfa.compose.screen.tools
+
+import android.content.Intent
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.text.selection.SelectionContainer
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material.icons.filled.DataObject
+import androidx.compose.material.icons.filled.Delete
+import androidx.compose.material.icons.filled.Share
+import androidx.compose.material.icons.filled.Terminal
+import androidx.compose.material.icons.outlined.BugReport
+import androidx.compose.material.icons.outlined.Settings
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.ListItem
+import androidx.compose.material3.ListItemDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.core.content.FileProvider
+import androidx.navigation.NavController
+import io.nekohasekai.sfa.R
+import io.nekohasekai.sfa.bg.CrashReport
+import io.nekohasekai.sfa.bg.CrashReportFile
+import io.nekohasekai.sfa.bg.CrashReportManager
+import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import org.json.JSONObject
+import java.text.DateFormat
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun CrashReportDetailScreen(navController: NavController, reportId: String) {
+    val reports by CrashReportManager.reports.collectAsState()
+    val report = reports.find { it.id == reportId }
+    var files by remember { mutableStateOf<List<CrashReportFile>>(emptyList()) }
+    var isLoading by remember { mutableStateOf(true) }
+    var shareMenuExpanded by remember { mutableStateOf(false) }
+    val scope = rememberCoroutineScope()
+    val context = LocalContext.current
+
+    LaunchedEffect(report) {
+        if (report != null) {
+            withContext(Dispatchers.IO) {
+                files = CrashReportManager.availableFiles(report)
+            }
+            CrashReportManager.markAsRead(report)
+        }
+        isLoading = false
+    }
+
+    val title = if (report != null) {
+        DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT).format(report.date)
+    } else {
+        reportId
+    }
+
+    val hasConfig = report != null && CrashReportManager.hasConfigFile(report)
+
+    fun shareReport(includeConfig: Boolean) {
+        val currentReport = report ?: return
+        scope.launch {
+            val zipFile = CrashReportManager.createZipArchive(currentReport, includeConfig)
+            val uri = FileProvider.getUriForFile(context, "${context.packageName}.cache", zipFile)
+            val intent = Intent(Intent.ACTION_SEND).apply {
+                type = "application/zip"
+                putExtra(Intent.EXTRA_STREAM, uri)
+                addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+            }
+            context.startActivity(Intent.createChooser(intent, null))
+        }
+    }
+
+    OverrideTopBar {
+        TopAppBar(
+            title = { Text(title) },
+            navigationIcon = {
+                IconButton(onClick = { navController.navigateUp() }) {
+                    Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = null)
+                }
+            },
+            actions = {
+                if (!isLoading && files.isNotEmpty()) {
+                    if (hasConfig) {
+                        IconButton(onClick = { shareMenuExpanded = true }) {
+                            Icon(Icons.Default.Share, contentDescription = null)
+                        }
+                        DropdownMenu(
+                            expanded = shareMenuExpanded,
+                            onDismissRequest = { shareMenuExpanded = false },
+                        ) {
+                            DropdownMenuItem(
+                                text = { Text(stringResource(R.string.report_share)) },
+                                onClick = {
+                                    shareMenuExpanded = false
+                                    shareReport(includeConfig = false)
+                                },
+                            )
+                            DropdownMenuItem(
+                                text = { Text(stringResource(R.string.report_share_with_config)) },
+                                onClick = {
+                                    shareMenuExpanded = false
+                                    shareReport(includeConfig = true)
+                                },
+                            )
+                        }
+                    } else {
+                        IconButton(onClick = { shareReport(includeConfig = false) }) {
+                            Icon(Icons.Default.Share, contentDescription = null)
+                        }
+                    }
+                    IconButton(onClick = {
+                        scope.launch {
+                            if (report != null) {
+                                CrashReportManager.delete(report)
+                            }
+                            navController.navigateUp()
+                        }
+                    }) {
+                        Icon(
+                            Icons.Default.Delete,
+                            contentDescription = null,
+                            tint = MaterialTheme.colorScheme.error,
+                        )
+                    }
+                }
+            },
+        )
+    }
+
+    if (isLoading) {
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(MaterialTheme.colorScheme.surface),
+            contentAlignment = Alignment.Center,
+        ) {
+            CircularProgressIndicator()
+        }
+    } else if (files.isEmpty()) {
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(MaterialTheme.colorScheme.surface),
+            contentAlignment = Alignment.Center,
+        ) {
+            Text(
+                stringResource(R.string.report_empty),
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+            )
+        }
+    } else {
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(MaterialTheme.colorScheme.surface)
+                .verticalScroll(rememberScrollState())
+                .padding(vertical = 8.dp),
+        ) {
+            Text(
+                stringResource(R.string.report_section_files),
+                style = MaterialTheme.typography.labelLarge,
+                color = MaterialTheme.colorScheme.primary,
+                modifier = Modifier.padding(horizontal = 32.dp, vertical = 8.dp),
+            )
+            Card(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                ),
+            ) {
+                Column {
+                    files.forEachIndexed { index, file ->
+                        val shape = when {
+                            files.size == 1 -> RoundedCornerShape(12.dp)
+                            index == 0 -> RoundedCornerShape(topStart = 12.dp, topEnd = 12.dp)
+                            index == files.lastIndex -> RoundedCornerShape(
+                                bottomStart = 12.dp,
+                                bottomEnd = 12.dp,
+                            )
+                            else -> RoundedCornerShape(0.dp)
+                        }
+                        val icon = when (file.kind) {
+                            CrashReportFile.Kind.METADATA -> Icons.Default.DataObject
+                            CrashReportFile.Kind.GO_LOG -> Icons.Default.Terminal
+                            CrashReportFile.Kind.JVM_LOG -> Icons.Outlined.BugReport
+                            CrashReportFile.Kind.CONFIG -> Icons.Outlined.Settings
+                        }
+                        ListItem(
+                            headlineContent = {
+                                Text(
+                                    file.displayName,
+                                    style = MaterialTheme.typography.bodyLarge,
+                                )
+                            },
+                            leadingContent = {
+                                Icon(
+                                    imageVector = icon,
+                                    contentDescription = null,
+                                    tint = MaterialTheme.colorScheme.primary,
+                                )
+                            },
+                            modifier = Modifier
+                                .clip(shape)
+                                .clickable {
+                                    if (file.kind == CrashReportFile.Kind.METADATA) {
+                                        navController.navigate("tools/crash_report/$reportId/metadata")
+                                    } else {
+                                        navController.navigate("tools/crash_report/$reportId/file/${file.kind.name}")
+                                    }
+                                },
+                            colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+                        )
+                    }
+                }
+            }
+        }
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun CrashReportMetadataScreen(navController: NavController, reportId: String) {
+    val reports by CrashReportManager.reports.collectAsState()
+    val report = reports.find { it.id == reportId }
+    var entries by remember { mutableStateOf<List<Pair<String, String>>>(emptyList()) }
+    var isLoading by remember { mutableStateOf(true) }
+
+    LaunchedEffect(report) {
+        if (report != null) {
+            withContext(Dispatchers.IO) {
+                entries = loadMetadataEntries(report)
+            }
+        }
+        isLoading = false
+    }
+
+    OverrideTopBar {
+        TopAppBar(
+            title = { Text(stringResource(R.string.report_metadata)) },
+            navigationIcon = {
+                IconButton(onClick = { navController.navigateUp() }) {
+                    Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = null)
+                }
+            },
+        )
+    }
+
+    if (isLoading) {
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(MaterialTheme.colorScheme.surface),
+            contentAlignment = Alignment.Center,
+        ) {
+            CircularProgressIndicator()
+        }
+    } else if (entries.isEmpty()) {
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(MaterialTheme.colorScheme.surface),
+            contentAlignment = Alignment.Center,
+        ) {
+            Text(
+                stringResource(R.string.report_empty),
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+            )
+        }
+    } else {
+        SelectionContainer {
+            Column(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .background(MaterialTheme.colorScheme.surface)
+                    .verticalScroll(rememberScrollState())
+                    .padding(vertical = 8.dp),
+            ) {
+                Card(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(horizontal = 16.dp),
+                    colors = CardDefaults.cardColors(
+                        containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                    ),
+                ) {
+                    Column {
+                        entries.forEachIndexed { index, (key, value) ->
+                            val shape = when {
+                                entries.size == 1 -> RoundedCornerShape(12.dp)
+                                index == 0 -> RoundedCornerShape(
+                                    topStart = 12.dp,
+                                    topEnd = 12.dp,
+                                )
+                                index == entries.lastIndex -> RoundedCornerShape(
+                                    bottomStart = 12.dp,
+                                    bottomEnd = 12.dp,
+                                )
+                                else -> RoundedCornerShape(0.dp)
+                            }
+                            ListItem(
+                                headlineContent = {
+                                    Text(
+                                        key,
+                                        style = MaterialTheme.typography.bodyLarge,
+                                    )
+                                },
+                                supportingContent = {
+                                    Text(value)
+                                },
+                                modifier = Modifier.clip(shape),
+                                colors = ListItemDefaults.colors(
+                                    containerColor = Color.Transparent,
+                                ),
+                            )
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+private fun loadMetadataEntries(report: CrashReport): List<Pair<String, String>> {
+    val metadataFile = CrashReportManager.availableFiles(report)
+        .find { it.kind == CrashReportFile.Kind.METADATA } ?: return emptyList()
+    val content = metadataFile.file.readText()
+    val json = runCatching { JSONObject(content) }.getOrNull() ?: return emptyList()
+    return json.keys().asSequence()
+        .mapNotNull { key ->
+            val value = json.optString(key, "")
+            if (value.isNotBlank()) key to value else null
+        }
+        .toList()
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun CrashReportFileContentScreen(navController: NavController, reportId: String, fileKind: String) {
+    val reports by CrashReportManager.reports.collectAsState()
+    val report = reports.find { it.id == reportId }
+    var content by remember { mutableStateOf("") }
+    var isLoading by remember { mutableStateOf(true) }
+
+    val kind = runCatching { CrashReportFile.Kind.valueOf(fileKind) }.getOrNull()
+    val displayName = when (kind) {
+        CrashReportFile.Kind.GO_LOG -> stringResource(R.string.crash_report_go_log)
+        CrashReportFile.Kind.JVM_LOG -> stringResource(R.string.crash_report_jvm_log)
+        CrashReportFile.Kind.CONFIG -> stringResource(R.string.report_configuration)
+        else -> fileKind
+    }
+
+    LaunchedEffect(report, kind) {
+        if (report != null && kind != null) {
+            withContext(Dispatchers.IO) {
+                val file = CrashReportManager.availableFiles(report).find { it.kind == kind }
+                content = if (file != null) CrashReportManager.loadFileContent(file) else ""
+            }
+        }
+        isLoading = false
+    }
+
+    OverrideTopBar {
+        TopAppBar(
+            title = { Text(displayName) },
+            navigationIcon = {
+                IconButton(onClick = { navController.navigateUp() }) {
+                    Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = null)
+                }
+            },
+        )
+    }
+
+    if (isLoading) {
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(MaterialTheme.colorScheme.surface),
+            contentAlignment = Alignment.Center,
+        ) {
+            CircularProgressIndicator()
+        }
+    } else if (content.isEmpty()) {
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(MaterialTheme.colorScheme.surface),
+            contentAlignment = Alignment.Center,
+        ) {
+            Text(
+                stringResource(R.string.report_empty),
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+            )
+        }
+    } else {
+        SelectionContainer {
+            Column(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .background(MaterialTheme.colorScheme.surface)
+                    .verticalScroll(rememberScrollState())
+                    .padding(16.dp),
+            ) {
+                Card(
+                    modifier = Modifier.fillMaxWidth(),
+                    colors = CardDefaults.cardColors(
+                        containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                    ),
+                ) {
+                    Text(
+                        text = content,
+                        fontFamily = FontFamily.Monospace,
+                        fontSize = 12.sp,
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(16.dp),
+                    )
+                }
+            }
+        }
+    }
+}

app/src/main/java/io/nekohasekai/sfa/compose/screen/tools/CrashReportListScreen.kt

@@ -0,0 +1,263 @@
+package io.nekohasekai.sfa.compose.screen.tools
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material.icons.filled.MoreVert
+import androidx.compose.material.icons.outlined.DeleteSweep
+import androidx.compose.material.icons.outlined.FlashOn
+import androidx.compose.material3.Badge
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.ListItem
+import androidx.compose.material3.ListItemDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.navigation.NavController
+import io.nekohasekai.libbox.Libbox
+import io.nekohasekai.sfa.BuildConfig
+import io.nekohasekai.sfa.R
+import io.nekohasekai.sfa.bg.CrashReportManager
+import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
+import kotlinx.coroutines.launch
+import java.text.DateFormat
+import java.util.Date
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun CrashReportListScreen(navController: NavController) {
+    val reports by CrashReportManager.reports.collectAsState()
+    var isLoading by remember { mutableStateOf(true) }
+    var menuExpanded by remember { mutableStateOf(false) }
+    var crashTriggerExpanded by remember { mutableStateOf(false) }
+    val scope = rememberCoroutineScope()
+
+    LaunchedEffect(Unit) {
+        CrashReportManager.refresh()
+        isLoading = false
+    }
+
+    OverrideTopBar {
+        TopAppBar(
+            title = { Text(stringResource(R.string.crash_report)) },
+            navigationIcon = {
+                IconButton(onClick = { navController.navigateUp() }) {
+                    Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = null)
+                }
+            },
+            actions = {
+                if (reports.isNotEmpty() || BuildConfig.DEBUG) {
+                    IconButton(onClick = { menuExpanded = true }) {
+                        Icon(Icons.Default.MoreVert, contentDescription = null)
+                    }
+                    DropdownMenu(
+                        expanded = menuExpanded,
+                        onDismissRequest = {
+                            menuExpanded = false
+                            crashTriggerExpanded = false
+                        },
+                    ) {
+                        if (BuildConfig.DEBUG) {
+                            DropdownMenuItem(
+                                text = { Text("Crash Trigger") },
+                                leadingIcon = {
+                                    Icon(
+                                        Icons.Outlined.FlashOn,
+                                        contentDescription = null,
+                                    )
+                                },
+                                onClick = { crashTriggerExpanded = !crashTriggerExpanded },
+                            )
+                            if (crashTriggerExpanded) {
+                                DropdownMenuItem(
+                                    text = {
+                                        Text(
+                                            "Go Crash",
+                                            modifier = Modifier.padding(start = 16.dp),
+                                        )
+                                    },
+                                    onClick = {
+                                        menuExpanded = false
+                                        crashTriggerExpanded = false
+                                        Libbox.triggerGoPanic()
+                                    },
+                                )
+                                DropdownMenuItem(
+                                    text = {
+                                        Text(
+                                            "Native Crash",
+                                            modifier = Modifier.padding(start = 16.dp),
+                                        )
+                                    },
+                                    onClick = {
+                                        menuExpanded = false
+                                        crashTriggerExpanded = false
+                                        Thread {
+                                            Thread.sleep(200)
+                                            throw RuntimeException("debug native crash")
+                                        }.start()
+                                    },
+                                )
+                            }
+                        }
+                        if (reports.isNotEmpty()) {
+                            DropdownMenuItem(
+                                text = {
+                                    Text(
+                                        stringResource(R.string.report_delete_all),
+                                        color = MaterialTheme.colorScheme.error,
+                                    )
+                                },
+                                leadingIcon = {
+                                    Icon(
+                                        Icons.Outlined.DeleteSweep,
+                                        contentDescription = null,
+                                        tint = MaterialTheme.colorScheme.error,
+                                    )
+                                },
+                                onClick = {
+                                    menuExpanded = false
+                                    scope.launch {
+                                        CrashReportManager.deleteAll()
+                                    }
+                                },
+                            )
+                        }
+                    }
+                }
+            },
+        )
+    }
+
+    if (isLoading) {
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(MaterialTheme.colorScheme.surface),
+            contentAlignment = Alignment.Center,
+        ) {
+            CircularProgressIndicator()
+        }
+    } else {
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(MaterialTheme.colorScheme.surface)
+                .verticalScroll(rememberScrollState())
+                .padding(vertical = 8.dp),
+        ) {
+            Text(
+                stringResource(R.string.report_section_reports),
+                style = MaterialTheme.typography.labelLarge,
+                color = MaterialTheme.colorScheme.primary,
+                modifier = Modifier.padding(horizontal = 32.dp, vertical = 8.dp),
+            )
+            if (reports.isEmpty()) {
+                Card(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(horizontal = 16.dp),
+                    colors = CardDefaults.cardColors(
+                        containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                    ),
+                ) {
+                    ListItem(
+                        headlineContent = {
+                            Text(
+                                stringResource(R.string.report_empty),
+                                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                            )
+                        },
+                        colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+                    )
+                }
+            } else {
+                Card(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(horizontal = 16.dp),
+                    colors = CardDefaults.cardColors(
+                        containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                    ),
+                ) {
+                    Column {
+                        reports.forEachIndexed { index, report ->
+                            val shape = when {
+                                reports.size == 1 -> RoundedCornerShape(12.dp)
+                                index == 0 -> RoundedCornerShape(topStart = 12.dp, topEnd = 12.dp)
+                                index == reports.lastIndex -> RoundedCornerShape(
+                                    bottomStart = 12.dp,
+                                    bottomEnd = 12.dp,
+                                )
+                                else -> RoundedCornerShape(0.dp)
+                            }
+                            ListItem(
+                                headlineContent = {
+                                    Text(
+                                        formatDate(report.date),
+                                        style = MaterialTheme.typography.bodyLarge,
+                                        fontWeight = if (report.isRead) FontWeight.Normal else FontWeight.SemiBold,
+                                    )
+                                },
+                                leadingContent = if (!report.isRead) {
+                                    {
+                                        Badge(
+                                            containerColor = MaterialTheme.colorScheme.primary,
+                                        )
+                                    }
+                                } else {
+                                    null
+                                },
+                                modifier = Modifier
+                                    .clip(shape)
+                                    .clickable {
+                                        navController.navigate("tools/crash_report/${report.id}")
+                                    },
+                                colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+                            )
+                        }
+                    }
+                }
+            }
+            Text(
+                stringResource(R.string.crash_report_description),
+                style = MaterialTheme.typography.bodySmall,
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                modifier = Modifier.padding(horizontal = 32.dp, vertical = 8.dp),
+            )
+        }
+    }
+}
+
+private fun formatDate(date: Date): String = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT).format(date)

app/src/main/java/io/nekohasekai/sfa/compose/screen/tools/NetworkQualityScreen.kt

@@ -0,0 +1,470 @@
+package io.nekohasekai.sfa.compose.screen.tools
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material.icons.automirrored.filled.KeyboardArrowRight
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.RadioButton
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Switch
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.navigation.NavController
+import io.nekohasekai.libbox.Libbox
+import io.nekohasekai.sfa.R
+import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
+import io.nekohasekai.sfa.constant.Status
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun NetworkQualityScreen(
+    navController: NavController,
+    serviceStatus: Status = Status.Stopped,
+    viewModel: NetworkQualityViewModel = viewModel(),
+) {
+    val state by viewModel.uiState.collectAsState()
+    val vpnRunning = serviceStatus == Status.Started
+    val context = LocalContext.current
+
+    var showConfigURLDialog by remember { mutableStateOf(false) }
+    var showMaxRuntimeDialog by remember { mutableStateOf(false) }
+
+    OverrideTopBar {
+        TopAppBar(
+            title = { Text(stringResource(R.string.network_quality)) },
+            navigationIcon = {
+                IconButton(onClick = { navController.navigateUp() }) {
+                    Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = null)
+                }
+            },
+        )
+    }
+
+    LaunchedEffect(vpnRunning) {
+        if (!vpnRunning) {
+            viewModel.onVpnDisconnected()
+        }
+    }
+
+    val selectedOutboundResult = navController.currentBackStackEntry
+        ?.savedStateHandle
+        ?.getStateFlow("selected_outbound", state.selectedOutbound)
+        ?.collectAsState()
+    LaunchedEffect(selectedOutboundResult?.value) {
+        selectedOutboundResult?.value?.let { viewModel.selectOutbound(it) }
+    }
+
+    DisposableEffect(Unit) {
+        onDispose {
+            if (state.isRunning) {
+                viewModel.cancelTest()
+            }
+        }
+    }
+
+    if (state.showMeteredWarning) {
+        AlertDialog(
+            onDismissRequest = { viewModel.dismissMeteredWarning() },
+            title = { Text(stringResource(R.string.network_quality_metered_title)) },
+            text = { Text(stringResource(R.string.network_quality_metered_message)) },
+            confirmButton = {
+                TextButton(onClick = { viewModel.confirmMeteredStart(vpnRunning) }) {
+                    Text(stringResource(R.string.network_quality_metered_continue))
+                }
+            },
+            dismissButton = {
+                TextButton(onClick = { viewModel.dismissMeteredWarning() }) {
+                    Text(stringResource(android.R.string.cancel))
+                }
+            },
+        )
+    }
+
+    if (showConfigURLDialog) {
+        ConfigURLDialog(
+            currentURL = state.configURL,
+            onURLChanged = { viewModel.updateConfigURL(it) },
+            onDismiss = { showConfigURLDialog = false },
+        )
+    }
+
+    if (showMaxRuntimeDialog) {
+        MaxRuntimeDialog(
+            currentOption = state.maxRuntime,
+            onOptionSelected = {
+                viewModel.setMaxRuntime(it)
+                showMaxRuntimeDialog = false
+            },
+            onDismiss = { showMaxRuntimeDialog = false },
+        )
+    }
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(MaterialTheme.colorScheme.surface)
+            .verticalScroll(rememberScrollState())
+            .padding(16.dp),
+        verticalArrangement = Arrangement.spacedBy(16.dp),
+    ) {
+        Card(
+            modifier = Modifier.fillMaxWidth(),
+            colors = CardDefaults.cardColors(
+                containerColor = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.3f),
+            ),
+        ) {
+            Column(
+                modifier = Modifier.padding(16.dp),
+                verticalArrangement = Arrangement.spacedBy(12.dp),
+            ) {
+                Text(
+                    text = stringResource(R.string.tool_configuration),
+                    style = MaterialTheme.typography.titleSmall,
+                    color = MaterialTheme.colorScheme.primary,
+                )
+
+                Surface(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .clip(RoundedCornerShape(12.dp))
+                        .clickable { showConfigURLDialog = true },
+                    color = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.5f),
+                    shape = RoundedCornerShape(12.dp),
+                ) {
+                    Row(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(16.dp),
+                        verticalAlignment = Alignment.CenterVertically,
+                        horizontalArrangement = Arrangement.spacedBy(12.dp),
+                    ) {
+                        Column(modifier = Modifier.weight(1f)) {
+                            Text(
+                                stringResource(R.string.network_quality_url),
+                                style = MaterialTheme.typography.bodyLarge,
+                            )
+                            Text(
+                                state.configURL,
+                                style = MaterialTheme.typography.bodyMedium,
+                                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                            )
+                        }
+                        Icon(
+                            imageVector = Icons.AutoMirrored.Filled.KeyboardArrowRight,
+                            contentDescription = null,
+                            modifier = Modifier.size(20.dp),
+                            tint = MaterialTheme.colorScheme.onSurfaceVariant,
+                        )
+                    }
+                }
+
+                HorizontalDivider(
+                    color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.5f),
+                )
+
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    verticalAlignment = Alignment.CenterVertically,
+                    horizontalArrangement = Arrangement.SpaceBetween,
+                ) {
+                    Text(
+                        stringResource(R.string.network_quality_serial),
+                        style = MaterialTheme.typography.bodyLarge,
+                    )
+                    Switch(
+                        checked = state.serial,
+                        onCheckedChange = { viewModel.setSerial(it) },
+                        enabled = !state.isRunning,
+                    )
+                }
+
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    verticalAlignment = Alignment.CenterVertically,
+                    horizontalArrangement = Arrangement.SpaceBetween,
+                ) {
+                    Text(
+                        stringResource(R.string.network_quality_http3),
+                        style = MaterialTheme.typography.bodyLarge,
+                    )
+                    Switch(
+                        checked = state.http3,
+                        onCheckedChange = { viewModel.setHttp3(it) },
+                        enabled = !state.isRunning,
+                    )
+                }
+
+                HorizontalDivider(
+                    color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.5f),
+                )
+
+                Surface(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .clip(RoundedCornerShape(12.dp))
+                        .clickable(enabled = !state.isRunning) { showMaxRuntimeDialog = true },
+                    color = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.5f),
+                    shape = RoundedCornerShape(12.dp),
+                ) {
+                    Row(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(16.dp),
+                        verticalAlignment = Alignment.CenterVertically,
+                        horizontalArrangement = Arrangement.spacedBy(12.dp),
+                    ) {
+                        Text(
+                            stringResource(R.string.network_quality_max_runtime),
+                            style = MaterialTheme.typography.bodyLarge,
+                            modifier = Modifier.weight(1f),
+                        )
+                        Text(
+                            stringResource(state.maxRuntime.labelRes),
+                            style = MaterialTheme.typography.bodyMedium,
+                            color = MaterialTheme.colorScheme.onSurfaceVariant,
+                        )
+                        Icon(
+                            imageVector = Icons.AutoMirrored.Filled.KeyboardArrowRight,
+                            contentDescription = null,
+                            modifier = Modifier.size(20.dp),
+                            tint = MaterialTheme.colorScheme.onSurfaceVariant,
+                        )
+                    }
+                }
+
+                if (vpnRunning) {
+                    HorizontalDivider(
+                        color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.5f),
+                    )
+                    OutboundPickerRow(
+                        selectedOutbound = state.selectedOutbound,
+                        onClick = {
+                            navController.navigate(
+                                "tools/outbound_picker/${android.net.Uri.encode(state.selectedOutbound)}",
+                            )
+                        },
+                    )
+                }
+            }
+        }
+
+        if (state.isRunning) {
+            Button(
+                onClick = { viewModel.cancelTest() },
+                modifier = Modifier.fillMaxWidth(),
+                colors = ButtonDefaults.buttonColors(
+                    containerColor = MaterialTheme.colorScheme.error,
+                ),
+            ) {
+                Text(stringResource(R.string.network_quality_cancel))
+            }
+        } else {
+            Button(
+                onClick = { viewModel.requestStartTest(context, vpnRunning) },
+                modifier = Modifier.fillMaxWidth(),
+            ) {
+                Text(stringResource(R.string.network_quality_start))
+            }
+        }
+
+        if (state.phase >= 0) {
+            val phaseDownload = Libbox.NetworkQualityPhaseDownload.toInt()
+            val phaseUpload = Libbox.NetworkQualityPhaseUpload.toInt()
+            val downloadActive =
+                (state.isRunning && !state.serial && state.phase in phaseDownload..phaseUpload) || state.phase == phaseDownload
+            val uploadActive =
+                (state.isRunning && !state.serial && state.phase in phaseDownload..phaseUpload) || state.phase == phaseUpload
+            val done = state.phase == Libbox.NetworkQualityPhaseDone.toInt()
+
+            Card(
+                modifier = Modifier.fillMaxWidth(),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.secondaryContainer.copy(alpha = 0.3f),
+                ),
+            ) {
+                Column(
+                    modifier = Modifier.padding(16.dp),
+                    verticalArrangement = Arrangement.spacedBy(4.dp),
+                ) {
+                    Text(
+                        text = stringResource(R.string.tool_results),
+                        style = MaterialTheme.typography.titleSmall,
+                        color = MaterialTheme.colorScheme.secondary,
+                        modifier = Modifier.padding(bottom = 8.dp),
+                    )
+
+                    ResultItem(
+                        label = stringResource(R.string.network_quality_idle_latency),
+                        value = if (state.idleLatencyMs > 0) "${state.idleLatencyMs} ms" else null,
+                        isActive = state.phase == Libbox.NetworkQualityPhaseIdle.toInt(),
+                        isRunning = state.isRunning,
+                    )
+                    HorizontalDivider(
+                        color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.5f),
+                    )
+                    ResultItem(
+                        label = stringResource(R.string.network_quality_download),
+                        value = if (state.downloadCapacity > 0) Libbox.formatBitrate(state.downloadCapacity) else null,
+                        isActive = downloadActive,
+                        isRunning = state.isRunning,
+                        accuracy = if (done) accuracyLabel(state.downloadCapacityAccuracy).first else null,
+                        accuracyColor = if (done) accuracyLabel(state.downloadCapacityAccuracy).second else null,
+                    )
+                    HorizontalDivider(
+                        color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.5f),
+                    )
+                    ResultItem(
+                        label = stringResource(R.string.network_quality_download_rpm),
+                        value = if (state.downloadRPM > 0) "${state.downloadRPM}" else null,
+                        isActive = downloadActive,
+                        isRunning = state.isRunning,
+                        accuracy = if (done) accuracyLabel(state.downloadRPMAccuracy).first else null,
+                        accuracyColor = if (done) accuracyLabel(state.downloadRPMAccuracy).second else null,
+                    )
+                    HorizontalDivider(
+                        color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.5f),
+                    )
+                    ResultItem(
+                        label = stringResource(R.string.network_quality_upload),
+                        value = if (state.uploadCapacity > 0) Libbox.formatBitrate(state.uploadCapacity) else null,
+                        isActive = uploadActive,
+                        isRunning = state.isRunning,
+                        accuracy = if (done) accuracyLabel(state.uploadCapacityAccuracy).first else null,
+                        accuracyColor = if (done) accuracyLabel(state.uploadCapacityAccuracy).second else null,
+                    )
+                    HorizontalDivider(
+                        color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.5f),
+                    )
+                    ResultItem(
+                        label = stringResource(R.string.network_quality_upload_rpm),
+                        value = if (state.uploadRPM > 0) "${state.uploadRPM}" else null,
+                        isActive = uploadActive,
+                        isRunning = state.isRunning,
+                        accuracy = if (done) accuracyLabel(state.uploadRPMAccuracy).first else null,
+                        accuracyColor = if (done) accuracyLabel(state.uploadRPMAccuracy).second else null,
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun accuracyLabel(value: Int): Pair<String, Color> = when (value) {
+    Libbox.NetworkQualityAccuracyHigh -> stringResource(R.string.network_quality_confidence_high) to Color.Green
+    Libbox.NetworkQualityAccuracyMedium -> stringResource(R.string.network_quality_confidence_medium) to Color.Yellow
+    else -> stringResource(R.string.network_quality_confidence_low) to Color.Red
+}
+
+@Composable
+private fun ConfigURLDialog(
+    currentURL: String,
+    onURLChanged: (String) -> Unit,
+    onDismiss: () -> Unit,
+) {
+    var text by remember { mutableStateOf(currentURL) }
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        title = { Text(stringResource(R.string.network_quality_url)) },
+        text = {
+            OutlinedTextField(
+                value = text,
+                onValueChange = { text = it },
+                modifier = Modifier.fillMaxWidth(),
+            )
+        },
+        confirmButton = {
+            TextButton(onClick = {
+                onURLChanged(text)
+                onDismiss()
+            }) {
+                Text(stringResource(android.R.string.ok))
+            }
+        },
+        dismissButton = {
+            TextButton(onClick = onDismiss) {
+                Text(stringResource(android.R.string.cancel))
+            }
+        },
+    )
+}
+
+@Composable
+private fun MaxRuntimeDialog(
+    currentOption: MaxRuntimeOption,
+    onOptionSelected: (MaxRuntimeOption) -> Unit,
+    onDismiss: () -> Unit,
+) {
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        title = { Text(stringResource(R.string.network_quality_max_runtime)) },
+        text = {
+            Column {
+                MaxRuntimeOption.entries.forEach { option ->
+                    Row(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .clip(RoundedCornerShape(8.dp))
+                            .clickable { onOptionSelected(option) }
+                            .padding(vertical = 8.dp),
+                        verticalAlignment = Alignment.CenterVertically,
+                    ) {
+                        RadioButton(
+                            selected = currentOption == option,
+                            onClick = { onOptionSelected(option) },
+                        )
+                        Text(
+                            text = stringResource(option.labelRes),
+                            style = MaterialTheme.typography.bodyLarge,
+                            modifier = Modifier.padding(start = 8.dp),
+                        )
+                    }
+                }
+            }
+        },
+        confirmButton = {
+            TextButton(onClick = onDismiss) {
+                Text(stringResource(android.R.string.cancel))
+            }
+        },
+    )
+}

app/src/main/java/io/nekohasekai/sfa/compose/screen/tools/NetworkQualityViewModel.kt

@@ -0,0 +1,216 @@
+package io.nekohasekai.sfa.compose.screen.tools
+
+import android.content.Context
+import android.net.ConnectivityManager
+import androidx.lifecycle.viewModelScope
+import io.nekohasekai.libbox.Libbox
+import io.nekohasekai.libbox.NetworkQualityProgress
+import io.nekohasekai.libbox.NetworkQualityResult
+import io.nekohasekai.libbox.NetworkQualityTestHandler
+import io.nekohasekai.sfa.R
+import io.nekohasekai.sfa.compose.base.BaseViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+enum class MaxRuntimeOption(val seconds: Int, val labelRes: Int) {
+    THIRTY(30, R.string.network_quality_max_runtime_30s),
+    SIXTY(60, R.string.network_quality_max_runtime_60s),
+}
+
+data class NetworkQualityState(
+    val phase: Int = -1,
+    val idleLatencyMs: Int = 0,
+    val downloadCapacity: Long = 0,
+    val uploadCapacity: Long = 0,
+    val downloadRPM: Int = 0,
+    val uploadRPM: Int = 0,
+    val downloadCapacityAccuracy: Int = 0,
+    val uploadCapacityAccuracy: Int = 0,
+    val downloadRPMAccuracy: Int = 0,
+    val uploadRPMAccuracy: Int = 0,
+    val isRunning: Boolean = false,
+    val configURL: String = Libbox.NetworkQualityDefaultConfigURL,
+    val serial: Boolean = false,
+    val http3: Boolean = false,
+    val maxRuntime: MaxRuntimeOption = MaxRuntimeOption.THIRTY,
+    val selectedOutbound: String = "",
+    val showMeteredWarning: Boolean = false,
+)
+
+class NetworkQualityViewModel : BaseViewModel<NetworkQualityState, Nothing>() {
+    private var standaloneTest: io.nekohasekai.libbox.NetworkQualityTest? = null
+    private var grpcJob: Job? = null
+
+    override fun createInitialState() = NetworkQualityState()
+
+    fun updateConfigURL(url: String) {
+        updateState { copy(configURL = url) }
+    }
+
+    fun selectOutbound(tag: String) {
+        updateState { copy(selectedOutbound = tag) }
+    }
+
+    fun setSerial(value: Boolean) {
+        updateState { copy(serial = value) }
+    }
+
+    fun setHttp3(value: Boolean) {
+        updateState { copy(http3 = value) }
+    }
+
+    fun setMaxRuntime(option: MaxRuntimeOption) {
+        updateState { copy(maxRuntime = option) }
+    }
+
+    fun onVpnDisconnected() {
+        cancelTest()
+        updateState { copy(selectedOutbound = "") }
+    }
+
+    fun requestStartTest(context: Context, vpnRunning: Boolean) {
+        val connectivityManager =
+            context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
+        if (connectivityManager.isActiveNetworkMetered) {
+            updateState { copy(showMeteredWarning = true) }
+        } else {
+            startTest(vpnRunning)
+        }
+    }
+
+    fun dismissMeteredWarning() {
+        updateState { copy(showMeteredWarning = false) }
+    }
+
+    fun confirmMeteredStart(vpnRunning: Boolean) {
+        updateState { copy(showMeteredWarning = false) }
+        startTest(vpnRunning)
+    }
+
+    private fun startTest(vpnRunning: Boolean) {
+        updateState {
+            copy(
+                phase = -1,
+                idleLatencyMs = 0,
+                downloadCapacity = 0,
+                uploadCapacity = 0,
+                downloadRPM = 0,
+                uploadRPM = 0,
+                downloadCapacityAccuracy = 0,
+                uploadCapacityAccuracy = 0,
+                downloadRPMAccuracy = 0,
+                uploadRPMAccuracy = 0,
+                isRunning = true,
+            )
+        }
+
+        val configURL = currentState.configURL
+        val outboundTag = currentState.selectedOutbound
+        val serial = currentState.serial
+        val http3 = currentState.http3
+        val maxRuntimeSeconds = currentState.maxRuntime.seconds
+        val handler = createHandler()
+
+        if (vpnRunning) {
+            grpcJob = viewModelScope.launch(Dispatchers.IO) {
+                try {
+                    Libbox.newStandaloneCommandClient()
+                        .startNetworkQualityTest(
+                            configURL,
+                            outboundTag,
+                            serial,
+                            maxRuntimeSeconds,
+                            http3,
+                            handler,
+                        )
+                } catch (e: Exception) {
+                    withContext(Dispatchers.Main) {
+                        if (!currentState.isRunning) return@withContext
+                        updateState { copy(isRunning = false) }
+                        grpcJob = null
+                        sendError(e)
+                    }
+                }
+            }
+        } else {
+            val test = Libbox.newNetworkQualityTest()
+            standaloneTest = test
+            launch {
+                withContext(Dispatchers.IO) {
+                    test.start(configURL, serial, maxRuntimeSeconds, http3, handler)
+                }
+            }
+        }
+    }
+
+    fun cancelTest() {
+        grpcJob?.cancel()
+        grpcJob = null
+        standaloneTest?.cancel()
+        standaloneTest = null
+        updateState { copy(isRunning = false) }
+    }
+
+    private fun createHandler(): NetworkQualityTestHandler {
+        return object : NetworkQualityTestHandler {
+            override fun onProgress(progress: NetworkQualityProgress?) {
+                progress ?: return
+                viewModelScope.launch {
+                    if (!currentState.isRunning) return@launch
+                    updateState {
+                        copy(
+                            phase = progress.phase.toInt(),
+                            idleLatencyMs = progress.idleLatencyMs.toInt(),
+                            downloadCapacity = progress.downloadCapacity,
+                            uploadCapacity = progress.uploadCapacity,
+                            downloadRPM = progress.downloadRPM.toInt(),
+                            uploadRPM = progress.uploadRPM.toInt(),
+                            downloadCapacityAccuracy = progress.downloadCapacityAccuracy.toInt(),
+                            uploadCapacityAccuracy = progress.uploadCapacityAccuracy.toInt(),
+                            downloadRPMAccuracy = progress.downloadRPMAccuracy.toInt(),
+                            uploadRPMAccuracy = progress.uploadRPMAccuracy.toInt(),
+                        )
+                    }
+                }
+            }
+
+            override fun onResult(result: NetworkQualityResult?) {
+                result ?: return
+                viewModelScope.launch {
+                    if (!currentState.isRunning) return@launch
+                    updateState {
+                        copy(
+                            phase = Libbox.NetworkQualityPhaseDone.toInt(),
+                            idleLatencyMs = result.idleLatencyMs.toInt(),
+                            downloadCapacity = result.downloadCapacity,
+                            uploadCapacity = result.uploadCapacity,
+                            downloadRPM = result.downloadRPM.toInt(),
+                            uploadRPM = result.uploadRPM.toInt(),
+                            downloadCapacityAccuracy = result.downloadCapacityAccuracy.toInt(),
+                            uploadCapacityAccuracy = result.uploadCapacityAccuracy.toInt(),
+                            downloadRPMAccuracy = result.downloadRPMAccuracy.toInt(),
+                            uploadRPMAccuracy = result.uploadRPMAccuracy.toInt(),
+                            isRunning = false,
+                        )
+                    }
+                    standaloneTest = null
+                    grpcJob = null
+                }
+            }
+
+            override fun onError(message: String?) {
+                viewModelScope.launch {
+                    if (!currentState.isRunning) return@launch
+                    updateState { copy(isRunning = false) }
+                    standaloneTest = null
+                    grpcJob = null
+                    if (message != null) {
+                        sendErrorMessage(message)
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/io/nekohasekai/sfa/compose/screen/tools/OOMReportDetailScreen.kt

@@ -0,0 +1,451 @@
+package io.nekohasekai.sfa.compose.screen.tools
+
+import android.content.Intent
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.text.selection.SelectionContainer
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material.icons.filled.DataObject
+import androidx.compose.material.icons.filled.Delete
+import androidx.compose.material.icons.filled.Share
+import androidx.compose.material.icons.filled.Terminal
+import androidx.compose.material.icons.outlined.Settings
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.ListItem
+import androidx.compose.material3.ListItemDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.core.content.FileProvider
+import androidx.navigation.NavController
+import io.nekohasekai.sfa.R
+import io.nekohasekai.sfa.bg.OOMReport
+import io.nekohasekai.sfa.bg.OOMReportFile
+import io.nekohasekai.sfa.bg.OOMReportManager
+import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import org.json.JSONObject
+import java.text.DateFormat
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun OOMReportDetailScreen(navController: NavController, reportId: String) {
+    val reports by OOMReportManager.reports.collectAsState()
+    val report = reports.find { it.id == reportId }
+    var files by remember { mutableStateOf<List<OOMReportFile>>(emptyList()) }
+    var isLoading by remember { mutableStateOf(true) }
+    var shareMenuExpanded by remember { mutableStateOf(false) }
+    val scope = rememberCoroutineScope()
+    val context = LocalContext.current
+
+    LaunchedEffect(report) {
+        if (report != null) {
+            withContext(Dispatchers.IO) {
+                files = OOMReportManager.availableFiles(report)
+            }
+            OOMReportManager.markAsRead(report)
+        }
+        isLoading = false
+    }
+
+    val title = if (report != null) {
+        DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT).format(report.date)
+    } else {
+        reportId
+    }
+
+    val hasConfig = report != null && OOMReportManager.hasConfigFile(report)
+
+    fun shareReport(includeConfig: Boolean) {
+        val currentReport = report ?: return
+        scope.launch {
+            val zipFile = OOMReportManager.createZipArchive(currentReport, includeConfig)
+            val uri = FileProvider.getUriForFile(context, "${context.packageName}.cache", zipFile)
+            val intent = Intent(Intent.ACTION_SEND).apply {
+                type = "application/zip"
+                putExtra(Intent.EXTRA_STREAM, uri)
+                addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+            }
+            context.startActivity(Intent.createChooser(intent, null))
+        }
+    }
+
+    OverrideTopBar {
+        TopAppBar(
+            title = { Text(title) },
+            navigationIcon = {
+                IconButton(onClick = { navController.navigateUp() }) {
+                    Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = null)
+                }
+            },
+            actions = {
+                if (!isLoading && files.isNotEmpty()) {
+                    if (hasConfig) {
+                        IconButton(onClick = { shareMenuExpanded = true }) {
+                            Icon(Icons.Default.Share, contentDescription = null)
+                        }
+                        DropdownMenu(
+                            expanded = shareMenuExpanded,
+                            onDismissRequest = { shareMenuExpanded = false },
+                        ) {
+                            DropdownMenuItem(
+                                text = { Text(stringResource(R.string.report_share)) },
+                                onClick = {
+                                    shareMenuExpanded = false
+                                    shareReport(includeConfig = false)
+                                },
+                            )
+                            DropdownMenuItem(
+                                text = { Text(stringResource(R.string.report_share_with_config)) },
+                                onClick = {
+                                    shareMenuExpanded = false
+                                    shareReport(includeConfig = true)
+                                },
+                            )
+                        }
+                    } else {
+                        IconButton(onClick = { shareReport(includeConfig = false) }) {
+                            Icon(Icons.Default.Share, contentDescription = null)
+                        }
+                    }
+                    IconButton(onClick = {
+                        scope.launch {
+                            if (report != null) {
+                                OOMReportManager.delete(report)
+                            }
+                            navController.navigateUp()
+                        }
+                    }) {
+                        Icon(
+                            Icons.Default.Delete,
+                            contentDescription = null,
+                            tint = MaterialTheme.colorScheme.error,
+                        )
+                    }
+                }
+            },
+        )
+    }
+
+    if (isLoading) {
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(MaterialTheme.colorScheme.surface),
+            contentAlignment = Alignment.Center,
+        ) {
+            CircularProgressIndicator()
+        }
+    } else if (files.isEmpty()) {
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(MaterialTheme.colorScheme.surface),
+            contentAlignment = Alignment.Center,
+        ) {
+            Text(
+                stringResource(R.string.report_empty),
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+            )
+        }
+    } else {
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(MaterialTheme.colorScheme.surface)
+                .verticalScroll(rememberScrollState())
+                .padding(vertical = 8.dp),
+        ) {
+            Text(
+                stringResource(R.string.report_section_files),
+                style = MaterialTheme.typography.labelLarge,
+                color = MaterialTheme.colorScheme.primary,
+                modifier = Modifier.padding(horizontal = 32.dp, vertical = 8.dp),
+            )
+            Card(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                ),
+            ) {
+                Column {
+                    files.forEachIndexed { index, file ->
+                        val shape = when {
+                            files.size == 1 -> RoundedCornerShape(12.dp)
+                            index == 0 -> RoundedCornerShape(topStart = 12.dp, topEnd = 12.dp)
+                            index == files.lastIndex -> RoundedCornerShape(
+                                bottomStart = 12.dp,
+                                bottomEnd = 12.dp,
+                            )
+                            else -> RoundedCornerShape(0.dp)
+                        }
+                        val icon = when (file.kind) {
+                            OOMReportFile.Kind.METADATA -> Icons.Default.DataObject
+                            OOMReportFile.Kind.CONFIG -> Icons.Outlined.Settings
+                            OOMReportFile.Kind.PROFILE -> Icons.Default.Terminal
+                        }
+                        ListItem(
+                            headlineContent = {
+                                Text(
+                                    file.displayName,
+                                    style = MaterialTheme.typography.bodyLarge,
+                                )
+                            },
+                            leadingContent = {
+                                Icon(
+                                    imageVector = icon,
+                                    contentDescription = null,
+                                    tint = MaterialTheme.colorScheme.primary,
+                                )
+                            },
+                            modifier = Modifier
+                                .clip(shape)
+                                .then(
+                                    if (file.kind != OOMReportFile.Kind.PROFILE) {
+                                        Modifier.clickable {
+                                            if (file.kind == OOMReportFile.Kind.METADATA) {
+                                                navController.navigate("tools/oom_report/$reportId/metadata")
+                                            } else {
+                                                navController.navigate("tools/oom_report/$reportId/file/${file.kind.name}")
+                                            }
+                                        }
+                                    } else {
+                                        Modifier
+                                    },
+                                ),
+                            colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+                        )
+                    }
+                }
+            }
+        }
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun OOMReportMetadataScreen(navController: NavController, reportId: String) {
+    val reports by OOMReportManager.reports.collectAsState()
+    val report = reports.find { it.id == reportId }
+    var entries by remember { mutableStateOf<List<Pair<String, String>>>(emptyList()) }
+    var isLoading by remember { mutableStateOf(true) }
+
+    LaunchedEffect(report) {
+        if (report != null) {
+            withContext(Dispatchers.IO) {
+                entries = loadOOMMetadataEntries(report)
+            }
+        }
+        isLoading = false
+    }
+
+    OverrideTopBar {
+        TopAppBar(
+            title = { Text(stringResource(R.string.report_metadata)) },
+            navigationIcon = {
+                IconButton(onClick = { navController.navigateUp() }) {
+                    Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = null)
+                }
+            },
+        )
+    }
+
+    if (isLoading) {
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(MaterialTheme.colorScheme.surface),
+            contentAlignment = Alignment.Center,
+        ) {
+            CircularProgressIndicator()
+        }
+    } else if (entries.isEmpty()) {
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(MaterialTheme.colorScheme.surface),
+            contentAlignment = Alignment.Center,
+        ) {
+            Text(
+                stringResource(R.string.report_empty),
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+            )
+        }
+    } else {
+        SelectionContainer {
+            Column(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .background(MaterialTheme.colorScheme.surface)
+                    .verticalScroll(rememberScrollState())
+                    .padding(vertical = 8.dp),
+            ) {
+                Card(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(horizontal = 16.dp),
+                    colors = CardDefaults.cardColors(
+                        containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                    ),
+                ) {
+                    Column {
+                        entries.forEachIndexed { index, (key, value) ->
+                            val shape = when {
+                                entries.size == 1 -> RoundedCornerShape(12.dp)
+                                index == 0 -> RoundedCornerShape(topStart = 12.dp, topEnd = 12.dp)
+                                index == entries.lastIndex -> RoundedCornerShape(
+                                    bottomStart = 12.dp,
+                                    bottomEnd = 12.dp,
+                                )
+                                else -> RoundedCornerShape(0.dp)
+                            }
+                            ListItem(
+                                headlineContent = {
+                                    Text(key, style = MaterialTheme.typography.bodyLarge)
+                                },
+                                supportingContent = { Text(value) },
+                                modifier = Modifier.clip(shape),
+                                colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+                            )
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+private fun loadOOMMetadataEntries(report: OOMReport): List<Pair<String, String>> {
+    val metadataFile = OOMReportManager.availableFiles(report)
+        .find { it.kind == OOMReportFile.Kind.METADATA } ?: return emptyList()
+    val content = metadataFile.file.readText()
+    val json = runCatching { JSONObject(content) }.getOrNull() ?: return emptyList()
+    return json.keys().asSequence()
+        .mapNotNull { key ->
+            val value = json.optString(key, "")
+            if (value.isNotBlank()) key to value else null
+        }
+        .toList()
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun OOMReportFileContentScreen(navController: NavController, reportId: String, fileKind: String) {
+    val reports by OOMReportManager.reports.collectAsState()
+    val report = reports.find { it.id == reportId }
+    var content by remember { mutableStateOf("") }
+    var displayName by remember { mutableStateOf(fileKind) }
+    var isLoading by remember { mutableStateOf(true) }
+
+    val kind = runCatching { OOMReportFile.Kind.valueOf(fileKind) }.getOrNull()
+
+    LaunchedEffect(report, kind) {
+        if (report != null && kind != null) {
+            withContext(Dispatchers.IO) {
+                val file = OOMReportManager.availableFiles(report).find { it.kind == kind }
+                if (file != null) {
+                    displayName = file.displayName
+                    content = OOMReportManager.loadFileContent(file)
+                }
+            }
+        }
+        isLoading = false
+    }
+
+    OverrideTopBar {
+        TopAppBar(
+            title = { Text(displayName) },
+            navigationIcon = {
+                IconButton(onClick = { navController.navigateUp() }) {
+                    Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = null)
+                }
+            },
+        )
+    }
+
+    if (isLoading) {
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(MaterialTheme.colorScheme.surface),
+            contentAlignment = Alignment.Center,
+        ) {
+            CircularProgressIndicator()
+        }
+    } else if (content.isEmpty()) {
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(MaterialTheme.colorScheme.surface),
+            contentAlignment = Alignment.Center,
+        ) {
+            Text(
+                stringResource(R.string.report_empty),
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+            )
+        }
+    } else {
+        SelectionContainer {
+            Column(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .background(MaterialTheme.colorScheme.surface)
+                    .verticalScroll(rememberScrollState())
+                    .padding(16.dp),
+            ) {
+                Card(
+                    modifier = Modifier.fillMaxWidth(),
+                    colors = CardDefaults.cardColors(
+                        containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                    ),
+                ) {
+                    Text(
+                        text = content,
+                        fontFamily = FontFamily.Monospace,
+                        fontSize = 12.sp,
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(16.dp),
+                    )
+                }
+            }
+        }
+    }
+}

app/src/main/java/io/nekohasekai/sfa/compose/screen/tools/OOMReportListScreen.kt

@@ -0,0 +1,416 @@
+package io.nekohasekai.sfa.compose.screen.tools
+
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material.icons.filled.MoreVert
+import androidx.compose.material.icons.outlined.DeleteSweep
+import androidx.compose.material.icons.outlined.Memory
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Badge
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.ListItem
+import androidx.compose.material3.ListItemDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.RadioButton
+import androidx.compose.material3.Switch
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableIntStateOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.navigation.NavController
+import io.nekohasekai.libbox.Libbox
+import io.nekohasekai.sfa.Application
+import io.nekohasekai.sfa.R
+import io.nekohasekai.sfa.bg.OOMReportManager
+import io.nekohasekai.sfa.compose.base.UiEvent
+import io.nekohasekai.sfa.compose.base.rememberApplyServiceChangeNotifier
+import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
+import io.nekohasekai.sfa.constant.Status
+import io.nekohasekai.sfa.database.Settings
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import java.text.DateFormat
+import java.util.Date
+
+private val memoryLimitOptions = listOf(50, 100, 200, 300, 500, 750, 1024)
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun OOMReportListScreen(
+    navController: NavController,
+    serviceStatus: Status = Status.Stopped,
+) {
+    val reports by OOMReportManager.reports.collectAsState()
+    var isLoading by remember { mutableStateOf(true) }
+    var menuExpanded by remember { mutableStateOf(false) }
+    val scope = rememberCoroutineScope()
+    var errorMessage by remember { mutableStateOf<String?>(null) }
+    val notifyApplyChange = rememberApplyServiceChangeNotifier(serviceStatus)
+
+    var oomKillerEnabled by remember { mutableStateOf(Settings.oomKillerEnabled) }
+    var oomMemoryLimitMB by remember { mutableIntStateOf(Settings.oomMemoryLimitMB) }
+    var oomKillerKillConnections by remember { mutableStateOf(!Settings.oomKillerDisabled) }
+    var showMemoryLimitDialog by remember { mutableStateOf(false) }
+
+    LaunchedEffect(Unit) {
+        OOMReportManager.refresh()
+        val storedLimit = Settings.oomMemoryLimitMB
+        if (!memoryLimitOptions.contains(storedLimit)) {
+            oomMemoryLimitMB = memoryLimitOptions.first()
+            Settings.oomMemoryLimitMB = oomMemoryLimitMB
+        }
+        isLoading = false
+    }
+
+    OverrideTopBar {
+        TopAppBar(
+            title = { Text(stringResource(R.string.oom_report)) },
+            navigationIcon = {
+                IconButton(onClick = { navController.navigateUp() }) {
+                    Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = null)
+                }
+            },
+            actions = {
+                IconButton(onClick = { menuExpanded = true }) {
+                    Icon(Icons.Default.MoreVert, contentDescription = null)
+                }
+                DropdownMenu(
+                    expanded = menuExpanded,
+                    onDismissRequest = { menuExpanded = false },
+                ) {
+                    DropdownMenuItem(
+                        text = { Text(stringResource(R.string.oom_report_fetch)) },
+                        leadingIcon = {
+                            Icon(Icons.Outlined.Memory, contentDescription = null)
+                        },
+                        onClick = {
+                            menuExpanded = false
+                            if (serviceStatus != Status.Started) {
+                                errorMessage =
+                                    Application.application.getString(R.string.service_not_started)
+                            } else {
+                                scope.launch {
+                                    val failure =
+                                        withContext(Dispatchers.IO) {
+                                            runCatching {
+                                                Libbox.newStandaloneCommandClient().triggerOOMReport()
+                                            }.exceptionOrNull()
+                                        }
+                                    if (failure != null) {
+                                        errorMessage = failure.message ?: failure.toString()
+                                    } else {
+                                        delay(1000)
+                                        withContext(Dispatchers.IO) {
+                                            OOMReportManager.refresh()
+                                        }
+                                    }
+                                }
+                            }
+                        },
+                    )
+                    if (reports.isNotEmpty()) {
+                        DropdownMenuItem(
+                            text = {
+                                Text(
+                                    stringResource(R.string.report_delete_all),
+                                    color = MaterialTheme.colorScheme.error,
+                                )
+                            },
+                            leadingIcon = {
+                                Icon(
+                                    Icons.Outlined.DeleteSweep,
+                                    contentDescription = null,
+                                    tint = MaterialTheme.colorScheme.error,
+                                )
+                            },
+                            onClick = {
+                                menuExpanded = false
+                                scope.launch { OOMReportManager.deleteAll() }
+                            },
+                        )
+                    }
+                }
+            },
+        )
+    }
+
+    Box(modifier = Modifier.fillMaxSize()) {
+        if (isLoading) {
+            Box(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .background(MaterialTheme.colorScheme.surface),
+                contentAlignment = Alignment.Center,
+            ) {
+                CircularProgressIndicator()
+            }
+        } else {
+            Column(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .background(MaterialTheme.colorScheme.surface)
+                    .verticalScroll(rememberScrollState())
+                    .padding(vertical = 8.dp),
+            ) {
+                // Reports section
+                Text(
+                    stringResource(R.string.report_section_reports),
+                    style = MaterialTheme.typography.labelLarge,
+                    color = MaterialTheme.colorScheme.primary,
+                    modifier = Modifier.padding(horizontal = 32.dp, vertical = 8.dp),
+                )
+                if (reports.isEmpty()) {
+                    Card(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(horizontal = 16.dp),
+                        colors = CardDefaults.cardColors(
+                            containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                        ),
+                    ) {
+                        ListItem(
+                            headlineContent = {
+                                Text(
+                                    stringResource(R.string.report_empty),
+                                    color = MaterialTheme.colorScheme.onSurfaceVariant,
+                                )
+                            },
+                            colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+                        )
+                    }
+                } else {
+                    Card(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(horizontal = 16.dp),
+                        colors = CardDefaults.cardColors(
+                            containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                        ),
+                    ) {
+                        Column {
+                            reports.forEachIndexed { index, report ->
+                                val shape = when {
+                                    reports.size == 1 -> RoundedCornerShape(12.dp)
+                                    index == 0 -> RoundedCornerShape(topStart = 12.dp, topEnd = 12.dp)
+                                    index == reports.lastIndex -> RoundedCornerShape(
+                                        bottomStart = 12.dp,
+                                        bottomEnd = 12.dp,
+                                    )
+                                    else -> RoundedCornerShape(0.dp)
+                                }
+                                ListItem(
+                                    headlineContent = {
+                                        Text(
+                                            formatDate(report.date),
+                                            style = MaterialTheme.typography.bodyLarge,
+                                            fontWeight = if (report.isRead) FontWeight.Normal else FontWeight.SemiBold,
+                                        )
+                                    },
+                                    leadingContent = if (!report.isRead) {
+                                        {
+                                            Badge(
+                                                containerColor = MaterialTheme.colorScheme.primary,
+                                            )
+                                        }
+                                    } else {
+                                        null
+                                    },
+                                    modifier = Modifier
+                                        .clip(shape)
+                                        .clickable {
+                                            navController.navigate("tools/oom_report/${report.id}")
+                                        },
+                                    colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+                                )
+                            }
+                        }
+                    }
+                }
+                Text(
+                    stringResource(R.string.oom_report_description),
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant,
+                    modifier = Modifier.padding(horizontal = 32.dp, vertical = 8.dp),
+                )
+
+                // Settings section
+                Text(
+                    stringResource(R.string.title_settings),
+                    style = MaterialTheme.typography.labelLarge,
+                    color = MaterialTheme.colorScheme.primary,
+                    modifier = Modifier.padding(start = 32.dp, end = 32.dp, top = 16.dp, bottom = 8.dp),
+                )
+                Card(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(horizontal = 16.dp),
+                    colors = CardDefaults.cardColors(
+                        containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                    ),
+                ) {
+                    Column {
+                        ListItem(
+                            headlineContent = {
+                                Text(
+                                    stringResource(R.string.oom_report_enable_memory_limit),
+                                    style = MaterialTheme.typography.bodyLarge,
+                                )
+                            },
+                            supportingContent = {
+                                Text(stringResource(R.string.oom_report_enable_memory_limit_description))
+                            },
+                            trailingContent = {
+                                Switch(
+                                    checked = oomKillerEnabled,
+                                    onCheckedChange = { checked ->
+                                        oomKillerEnabled = checked
+                                        scope.launch(Dispatchers.IO) {
+                                            Settings.oomKillerEnabled = checked
+                                            Application.application.reloadSetupOptions()
+                                            withContext(Dispatchers.Main) {
+                                                notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Restart)
+                                            }
+                                        }
+                                    },
+                                )
+                            },
+                            colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+                        )
+                        AnimatedVisibility(visible = oomKillerEnabled) {
+                            Column {
+                                ListItem(
+                                    headlineContent = {
+                                        Text(
+                                            stringResource(R.string.oom_report_memory_limit),
+                                            style = MaterialTheme.typography.bodyLarge,
+                                        )
+                                    },
+                                    supportingContent = {
+                                        Text(Libbox.formatMemoryBytes(oomMemoryLimitMB.toLong() * 1024L * 1024L))
+                                    },
+                                    modifier = Modifier.clickable { showMemoryLimitDialog = true },
+                                    colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+                                )
+                                ListItem(
+                                    headlineContent = {
+                                        Text(
+                                            stringResource(R.string.oom_report_kill_connections),
+                                            style = MaterialTheme.typography.bodyLarge,
+                                        )
+                                    },
+                                    supportingContent = {
+                                        Text(stringResource(R.string.oom_report_kill_connections_description))
+                                    },
+                                    trailingContent = {
+                                        Switch(
+                                            checked = oomKillerKillConnections,
+                                            onCheckedChange = { checked ->
+                                                oomKillerKillConnections = checked
+                                                scope.launch(Dispatchers.IO) {
+                                                    Settings.oomKillerDisabled = !checked
+                                                    Application.application.reloadSetupOptions()
+                                                    withContext(Dispatchers.Main) {
+                                                        notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Restart)
+                                                    }
+                                                }
+                                            },
+                                        )
+                                    },
+                                    colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+                                )
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    errorMessage?.let { message ->
+        AlertDialog(
+            onDismissRequest = { errorMessage = null },
+            confirmButton = {
+                TextButton(onClick = { errorMessage = null }) {
+                    Text(stringResource(android.R.string.ok))
+                }
+            },
+            text = { Text(message) },
+        )
+    }
+
+    if (showMemoryLimitDialog) {
+        AlertDialog(
+            onDismissRequest = { showMemoryLimitDialog = false },
+            title = { Text(stringResource(R.string.oom_report_memory_limit)) },
+            text = {
+                Column {
+                    memoryLimitOptions.forEach { value ->
+                        ListItem(
+                            headlineContent = {
+                                Text(Libbox.formatMemoryBytes(value.toLong() * 1024L * 1024L))
+                            },
+                            leadingContent = {
+                                RadioButton(
+                                    selected = value == oomMemoryLimitMB,
+                                    onClick = null,
+                                )
+                            },
+                            modifier = Modifier
+                                .clip(RoundedCornerShape(8.dp))
+                                .clickable {
+                                    oomMemoryLimitMB = value
+                                    showMemoryLimitDialog = false
+                                    scope.launch(Dispatchers.IO) {
+                                        Settings.oomMemoryLimitMB = value
+                                        Application.application.reloadSetupOptions()
+                                        withContext(Dispatchers.Main) {
+                                            notifyApplyChange(UiEvent.ApplyServiceChange.Mode.Restart)
+                                        }
+                                    }
+                                },
+                            colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+                        )
+                    }
+                }
+            },
+            confirmButton = {},
+        )
+    }
+}
+
+private fun formatDate(date: Date): String = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT).format(date)

app/src/main/java/io/nekohasekai/sfa/compose/screen/tools/OutboundPickerScreen.kt

@@ -0,0 +1,280 @@
+package io.nekohasekai.sfa.compose.screen.tools
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material.icons.automirrored.filled.KeyboardArrowRight
+import androidx.compose.material.icons.filled.Check
+import androidx.compose.material.icons.filled.Search
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.navigation.NavController
+import io.nekohasekai.libbox.Libbox
+import io.nekohasekai.sfa.R
+import io.nekohasekai.sfa.compose.model.GroupItem
+import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
+import io.nekohasekai.sfa.utils.CommandClient
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+
+class OutboundPickerViewModel :
+    ViewModel(),
+    CommandClient.Handler {
+    private val _outbounds = MutableStateFlow<List<GroupItem>>(emptyList())
+    val outbounds: StateFlow<List<GroupItem>> = _outbounds.asStateFlow()
+
+    private var commandClient: CommandClient? = null
+
+    fun connect() {
+        disconnect()
+        commandClient = CommandClient(
+            viewModelScope,
+            CommandClient.ConnectionType.Outbounds,
+            this,
+        )
+        commandClient?.connect()
+    }
+
+    fun disconnect() {
+        commandClient?.disconnect()
+        commandClient = null
+    }
+
+    override fun updateOutbounds(outbounds: List<io.nekohasekai.libbox.OutboundGroupItem>) {
+        _outbounds.value = outbounds.map { GroupItem(it) }
+    }
+
+    override fun onCleared() {
+        disconnect()
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun OutboundPickerScreen(
+    navController: NavController,
+    selectedOutbound: String,
+) {
+    val viewModel: OutboundPickerViewModel = viewModel()
+    val outbounds by viewModel.outbounds.collectAsState()
+    var searchText by rememberSaveable { mutableStateOf("") }
+
+    DisposableEffect(Unit) {
+        viewModel.connect()
+        onDispose {
+            viewModel.disconnect()
+        }
+    }
+
+    val filteredOutbounds = if (searchText.isEmpty()) {
+        outbounds
+    } else {
+        outbounds.filter { it.tag.contains(searchText, ignoreCase = true) }
+    }
+
+    fun selectOutbound(tag: String) {
+        navController.previousBackStackEntry?.savedStateHandle?.set("selected_outbound", tag)
+        navController.navigateUp()
+    }
+
+    OverrideTopBar {
+        TopAppBar(
+            title = { Text(stringResource(R.string.tool_outbound)) },
+            navigationIcon = {
+                IconButton(onClick = { navController.navigateUp() }) {
+                    Icon(
+                        imageVector = Icons.AutoMirrored.Filled.ArrowBack,
+                        contentDescription = null,
+                    )
+                }
+            },
+        )
+    }
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize(),
+    ) {
+        OutlinedTextField(
+            value = searchText,
+            onValueChange = { searchText = it },
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp, vertical = 8.dp),
+            placeholder = { Text(stringResource(android.R.string.search_go)) },
+            leadingIcon = {
+                Icon(
+                    imageVector = Icons.Default.Search,
+                    contentDescription = null,
+                )
+            },
+            singleLine = true,
+            shape = RoundedCornerShape(12.dp),
+        )
+
+        LazyColumn(modifier = Modifier.fillMaxSize()) {
+            item {
+                OutboundPickerItem(
+                    tag = stringResource(R.string.tool_default_outbound),
+                    isSelected = selectedOutbound.isEmpty(),
+                    onClick = { selectOutbound("") },
+                )
+                HorizontalDivider(
+                    modifier = Modifier.padding(horizontal = 16.dp),
+                    color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.5f),
+                )
+            }
+            items(filteredOutbounds, key = { it.tag }) { item ->
+                OutboundPickerItem(
+                    tag = item.tag,
+                    type = Libbox.proxyDisplayType(item.type),
+                    urlTestDelay = item.urlTestDelay,
+                    isSelected = selectedOutbound == item.tag,
+                    onClick = { selectOutbound(item.tag) },
+                )
+            }
+        }
+    }
+}
+
+@Composable
+private fun OutboundPickerItem(
+    tag: String,
+    type: String? = null,
+    urlTestDelay: Int = 0,
+    isSelected: Boolean,
+    onClick: () -> Unit,
+) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable(onClick = onClick)
+            .padding(horizontal = 16.dp, vertical = 12.dp),
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.spacedBy(12.dp),
+    ) {
+        Column(modifier = Modifier.weight(1f)) {
+            Text(
+                text = tag,
+                style = MaterialTheme.typography.bodyLarge,
+            )
+            if (type != null) {
+                Row(
+                    horizontalArrangement = Arrangement.SpaceBetween,
+                    modifier = Modifier.fillMaxWidth(),
+                ) {
+                    Text(
+                        text = type,
+                        style = MaterialTheme.typography.bodySmall,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant,
+                    )
+                    if (urlTestDelay > 0) {
+                        Text(
+                            text = "${urlTestDelay}ms",
+                            style = MaterialTheme.typography.bodySmall,
+                            color = outboundDelayColor(urlTestDelay),
+                        )
+                    }
+                }
+            }
+        }
+        if (isSelected) {
+            Icon(
+                imageVector = Icons.Default.Check,
+                contentDescription = null,
+                tint = MaterialTheme.colorScheme.primary,
+            )
+        }
+    }
+}
+
+@Composable
+fun OutboundPickerRow(
+    selectedOutbound: String,
+    onClick: () -> Unit,
+) {
+    val displayText = if (selectedOutbound.isEmpty()) {
+        stringResource(R.string.tool_default_outbound)
+    } else {
+        selectedOutbound
+    }
+
+    Surface(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clip(RoundedCornerShape(12.dp))
+            .clickable(onClick = onClick),
+        color = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.5f),
+        shape = RoundedCornerShape(12.dp),
+    ) {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.spacedBy(12.dp),
+        ) {
+            Text(
+                stringResource(R.string.tool_outbound),
+                style = MaterialTheme.typography.bodyLarge,
+                modifier = Modifier.weight(1f),
+            )
+            Text(
+                displayText,
+                style = MaterialTheme.typography.bodyMedium,
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+            )
+            Icon(
+                imageVector = Icons.AutoMirrored.Filled.KeyboardArrowRight,
+                contentDescription = null,
+                modifier = Modifier.size(20.dp),
+                tint = MaterialTheme.colorScheme.onSurfaceVariant,
+            )
+        }
+    }
+}
+
+@Composable
+fun outboundDelayColor(delay: Int): Color {
+    val colorScheme = MaterialTheme.colorScheme
+    return when {
+        delay < 100 -> colorScheme.tertiary
+        delay < 300 -> colorScheme.primary
+        delay < 500 -> colorScheme.secondary
+        else -> colorScheme.error
+    }
+}

app/src/main/java/io/nekohasekai/sfa/compose/screen/tools/ResultItem.kt

@@ -0,0 +1,78 @@
+package io.nekohasekai.sfa.compose.screen.tools
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun ResultItem(
+    label: String,
+    value: String?,
+    isActive: Boolean,
+    isRunning: Boolean,
+    accuracy: String? = null,
+    valueColor: Color? = null,
+    accuracyColor: Color? = null,
+) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(horizontal = 16.dp, vertical = 12.dp),
+        horizontalArrangement = Arrangement.SpaceBetween,
+        verticalAlignment = Alignment.CenterVertically,
+    ) {
+        Text(label, style = MaterialTheme.typography.bodyLarge)
+        when {
+            value != null -> {
+                Row(
+                    horizontalArrangement = Arrangement.spacedBy(6.dp),
+                    verticalAlignment = Alignment.CenterVertically,
+                ) {
+                    if (isRunning && isActive) {
+                        CircularProgressIndicator(
+                            modifier = Modifier.size(16.dp),
+                            strokeWidth = 2.dp,
+                        )
+                    }
+                    Text(
+                        value,
+                        style = MaterialTheme.typography.bodyMedium,
+                        fontFamily = FontFamily.Monospace,
+                        color = valueColor ?: Color.Unspecified,
+                    )
+                    if (accuracy != null) {
+                        Text(
+                            accuracy,
+                            style = MaterialTheme.typography.labelSmall,
+                            color = accuracyColor ?: MaterialTheme.colorScheme.onSurfaceVariant,
+                        )
+                    }
+                }
+            }
+            isRunning && isActive -> {
+                CircularProgressIndicator(
+                    modifier = Modifier.size(16.dp),
+                    strokeWidth = 2.dp,
+                )
+            }
+            else -> {
+                Text(
+                    "-",
+                    style = MaterialTheme.typography.bodyMedium,
+                    fontFamily = FontFamily.Monospace,
+                )
+            }
+        }
+    }
+}

app/src/main/java/io/nekohasekai/sfa/compose/screen/tools/STUNTestScreen.kt

@@ -0,0 +1,317 @@
+package io.nekohasekai.sfa.compose.screen.tools
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material.icons.automirrored.filled.KeyboardArrowRight
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.navigation.NavController
+import io.nekohasekai.libbox.Libbox
+import io.nekohasekai.sfa.R
+import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
+import io.nekohasekai.sfa.constant.Status
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun STUNTestScreen(
+    navController: NavController,
+    serviceStatus: Status = Status.Stopped,
+    viewModel: STUNTestViewModel = viewModel(),
+) {
+    val state by viewModel.uiState.collectAsState()
+    val vpnRunning = serviceStatus == Status.Started
+
+    var showServerDialog by remember { mutableStateOf(false) }
+
+    OverrideTopBar {
+        TopAppBar(
+            title = { Text(stringResource(R.string.stun_test)) },
+            navigationIcon = {
+                IconButton(onClick = { navController.navigateUp() }) {
+                    Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = null)
+                }
+            },
+        )
+    }
+
+    LaunchedEffect(vpnRunning) {
+        if (!vpnRunning) {
+            viewModel.onVpnDisconnected()
+        }
+    }
+
+    val selectedOutboundResult = navController.currentBackStackEntry
+        ?.savedStateHandle
+        ?.getStateFlow("selected_outbound", state.selectedOutbound)
+        ?.collectAsState()
+    LaunchedEffect(selectedOutboundResult?.value) {
+        selectedOutboundResult?.value?.let { viewModel.selectOutbound(it) }
+    }
+
+    DisposableEffect(Unit) {
+        onDispose {
+            if (state.isRunning) {
+                viewModel.cancelTest()
+            }
+        }
+    }
+
+    if (showServerDialog) {
+        ServerEditDialog(
+            currentServer = state.server,
+            onServerChanged = { viewModel.updateServer(it) },
+            onDismiss = { showServerDialog = false },
+        )
+    }
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(MaterialTheme.colorScheme.surface)
+            .verticalScroll(rememberScrollState())
+            .padding(16.dp),
+        verticalArrangement = Arrangement.spacedBy(16.dp),
+    ) {
+        Card(
+            modifier = Modifier.fillMaxWidth(),
+            colors = CardDefaults.cardColors(
+                containerColor = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.3f),
+            ),
+        ) {
+            Column(
+                modifier = Modifier.padding(16.dp),
+                verticalArrangement = Arrangement.spacedBy(12.dp),
+            ) {
+                Text(
+                    text = stringResource(R.string.tool_configuration),
+                    style = MaterialTheme.typography.titleSmall,
+                    color = MaterialTheme.colorScheme.primary,
+                )
+
+                Surface(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .clip(RoundedCornerShape(12.dp))
+                        .clickable { showServerDialog = true },
+                    color = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.5f),
+                    shape = RoundedCornerShape(12.dp),
+                ) {
+                    Row(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(16.dp),
+                        verticalAlignment = Alignment.CenterVertically,
+                        horizontalArrangement = Arrangement.spacedBy(12.dp),
+                    ) {
+                        Column(modifier = Modifier.weight(1f)) {
+                            Text(
+                                stringResource(R.string.stun_server),
+                                style = MaterialTheme.typography.bodyLarge,
+                            )
+                            Text(
+                                state.server,
+                                style = MaterialTheme.typography.bodyMedium,
+                                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                            )
+                        }
+                        Icon(
+                            imageVector = Icons.AutoMirrored.Filled.KeyboardArrowRight,
+                            contentDescription = null,
+                            modifier = Modifier.size(20.dp),
+                            tint = MaterialTheme.colorScheme.onSurfaceVariant,
+                        )
+                    }
+                }
+
+                if (vpnRunning) {
+                    HorizontalDivider(
+                        color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.5f),
+                    )
+                    OutboundPickerRow(
+                        selectedOutbound = state.selectedOutbound,
+                        onClick = {
+                            navController.navigate(
+                                "tools/outbound_picker/${android.net.Uri.encode(state.selectedOutbound)}",
+                            )
+                        },
+                    )
+                }
+            }
+        }
+
+        if (state.isRunning) {
+            Button(
+                onClick = { viewModel.cancelTest() },
+                modifier = Modifier.fillMaxWidth(),
+                colors = ButtonDefaults.buttonColors(
+                    containerColor = MaterialTheme.colorScheme.error,
+                ),
+            ) {
+                Text(stringResource(R.string.stun_cancel))
+            }
+        } else {
+            Button(
+                onClick = { viewModel.startTest(vpnRunning) },
+                modifier = Modifier.fillMaxWidth(),
+            ) {
+                Text(stringResource(R.string.stun_start))
+            }
+        }
+
+        if (state.phase >= 0) {
+            Card(
+                modifier = Modifier.fillMaxWidth(),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.secondaryContainer.copy(alpha = 0.3f),
+                ),
+            ) {
+                Column(
+                    modifier = Modifier.padding(16.dp),
+                    verticalArrangement = Arrangement.spacedBy(4.dp),
+                ) {
+                    Text(
+                        text = stringResource(R.string.tool_results),
+                        style = MaterialTheme.typography.titleSmall,
+                        color = MaterialTheme.colorScheme.secondary,
+                        modifier = Modifier.padding(bottom = 8.dp),
+                    )
+
+                    ResultItem(
+                        label = stringResource(R.string.stun_external_address),
+                        value = state.externalAddr.ifEmpty { null },
+                        isActive = state.phase == Libbox.STUNPhaseBinding.toInt(),
+                        isRunning = state.isRunning,
+                    )
+                    HorizontalDivider(
+                        color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.5f),
+                    )
+                    ResultItem(
+                        label = stringResource(R.string.stun_latency),
+                        value = if (state.latencyMs > 0) "${state.latencyMs} ms" else null,
+                        isActive = state.phase == Libbox.STUNPhaseBinding.toInt(),
+                        isRunning = state.isRunning,
+                    )
+                    if (state.phase == Libbox.STUNPhaseDone.toInt() && !state.natTypeSupported) {
+                        HorizontalDivider(
+                            color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.5f),
+                        )
+                        ResultItem(
+                            label = stringResource(R.string.stun_nat_type_detection),
+                            value = stringResource(R.string.stun_nat_not_supported),
+                            isActive = false,
+                            isRunning = false,
+                        )
+                    } else {
+                        HorizontalDivider(
+                            color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.5f),
+                        )
+                        ResultItem(
+                            label = stringResource(R.string.stun_nat_mapping),
+                            value = if (state.natMapping > 0) Libbox.formatNATMapping(state.natMapping) else null,
+                            isActive = state.phase == Libbox.STUNPhaseNATMapping.toInt(),
+                            isRunning = state.isRunning,
+                            valueColor = if (state.natMapping > 0) natMappingColor(state.natMapping) else null,
+                        )
+                        HorizontalDivider(
+                            color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.5f),
+                        )
+                        ResultItem(
+                            label = stringResource(R.string.stun_nat_filtering),
+                            value = if (state.natFiltering > 0) Libbox.formatNATFiltering(state.natFiltering) else null,
+                            isActive = state.phase == Libbox.STUNPhaseNATFiltering.toInt(),
+                            isRunning = state.isRunning,
+                            valueColor = if (state.natFiltering > 0) natFilteringColor(state.natFiltering) else null,
+                        )
+                    }
+                }
+            }
+        }
+    }
+}
+
+private fun natMappingColor(value: Int): Color = when (value) {
+    Libbox.NATMappingEndpointIndependent.toInt() -> Color.Green
+    Libbox.NATMappingAddressDependent.toInt() -> Color.Yellow
+    Libbox.NATMappingAddressAndPortDependent.toInt() -> Color.Red
+    else -> Color.Unspecified
+}
+
+private fun natFilteringColor(value: Int): Color = when (value) {
+    Libbox.NATFilteringEndpointIndependent.toInt() -> Color.Green
+    Libbox.NATFilteringAddressDependent.toInt() -> Color.Yellow
+    Libbox.NATFilteringAddressAndPortDependent.toInt() -> Color.Red
+    else -> Color.Unspecified
+}
+
+@Composable
+private fun ServerEditDialog(
+    currentServer: String,
+    onServerChanged: (String) -> Unit,
+    onDismiss: () -> Unit,
+) {
+    var text by remember { mutableStateOf(currentServer) }
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        title = { Text(stringResource(R.string.stun_server)) },
+        text = {
+            OutlinedTextField(
+                value = text,
+                onValueChange = { text = it },
+                modifier = Modifier.fillMaxWidth(),
+            )
+        },
+        confirmButton = {
+            TextButton(onClick = {
+                onServerChanged(text)
+                onDismiss()
+            }) {
+                Text(stringResource(android.R.string.ok))
+            }
+        },
+        dismissButton = {
+            TextButton(onClick = onDismiss) {
+                Text(stringResource(android.R.string.cancel))
+            }
+        },
+    )
+}

app/src/main/java/io/nekohasekai/sfa/compose/screen/tools/STUNTestViewModel.kt

@@ -0,0 +1,146 @@
+package io.nekohasekai.sfa.compose.screen.tools
+
+import androidx.lifecycle.viewModelScope
+import io.nekohasekai.libbox.Libbox
+import io.nekohasekai.libbox.STUNTestHandler
+import io.nekohasekai.libbox.STUNTestProgress
+import io.nekohasekai.libbox.STUNTestResult
+import io.nekohasekai.sfa.compose.base.BaseViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+data class STUNTestState(
+    val phase: Int = -1,
+    val externalAddr: String = "",
+    val latencyMs: Int = 0,
+    val natMapping: Int = 0,
+    val natFiltering: Int = 0,
+    val natTypeSupported: Boolean = false,
+    val isRunning: Boolean = false,
+    val server: String = Libbox.STUNDefaultServer,
+    val selectedOutbound: String = "",
+)
+
+class STUNTestViewModel : BaseViewModel<STUNTestState, Nothing>() {
+    private var standaloneTest: io.nekohasekai.libbox.STUNTest? = null
+    private var grpcJob: Job? = null
+
+    override fun createInitialState() = STUNTestState()
+
+    fun updateServer(server: String) {
+        updateState { copy(server = server) }
+    }
+
+    fun selectOutbound(tag: String) {
+        updateState { copy(selectedOutbound = tag) }
+    }
+
+    fun onVpnDisconnected() {
+        cancelTest()
+        updateState { copy(selectedOutbound = "") }
+    }
+
+    fun startTest(vpnRunning: Boolean) {
+        updateState {
+            copy(
+                phase = -1,
+                externalAddr = "",
+                latencyMs = 0,
+                natMapping = 0,
+                natFiltering = 0,
+                natTypeSupported = false,
+                isRunning = true,
+            )
+        }
+
+        val server = currentState.server
+        val outboundTag = currentState.selectedOutbound
+        val handler = createHandler()
+
+        if (vpnRunning) {
+            grpcJob = viewModelScope.launch(Dispatchers.IO) {
+                try {
+                    Libbox.newStandaloneCommandClient()
+                        .startSTUNTest(server, outboundTag, handler)
+                } catch (e: Exception) {
+                    withContext(Dispatchers.Main) {
+                        if (!currentState.isRunning) return@withContext
+                        updateState { copy(isRunning = false) }
+                        grpcJob = null
+                        sendError(e)
+                    }
+                }
+            }
+        } else {
+            val test = Libbox.newSTUNTest()
+            standaloneTest = test
+            launch {
+                withContext(Dispatchers.IO) {
+                    test.start(server, handler)
+                }
+            }
+        }
+    }
+
+    fun cancelTest() {
+        grpcJob?.cancel()
+        grpcJob = null
+        standaloneTest?.cancel()
+        standaloneTest = null
+        updateState { copy(isRunning = false) }
+    }
+
+    private fun createHandler(): STUNTestHandler {
+        return object : STUNTestHandler {
+            override fun onProgress(progress: STUNTestProgress?) {
+                progress ?: return
+                viewModelScope.launch {
+                    if (!currentState.isRunning) return@launch
+                    updateState {
+                        copy(
+                            phase = progress.phase.toInt(),
+                            externalAddr = progress.externalAddr,
+                            latencyMs = progress.latencyMs.toInt(),
+                            natMapping = progress.natMapping.toInt(),
+                            natFiltering = progress.natFiltering.toInt(),
+                        )
+                    }
+                }
+            }
+
+            override fun onResult(result: STUNTestResult?) {
+                result ?: return
+                viewModelScope.launch {
+                    if (!currentState.isRunning) return@launch
+                    updateState {
+                        copy(
+                            phase = Libbox.STUNPhaseDone.toInt(),
+                            isRunning = false,
+                            externalAddr = result.externalAddr,
+                            latencyMs = result.latencyMs.toInt(),
+                            natMapping = result.natMapping.toInt(),
+                            natFiltering = result.natFiltering.toInt(),
+                            natTypeSupported = result.natTypeSupported,
+                        )
+                    }
+                    standaloneTest = null
+                    grpcJob = null
+                }
+            }
+
+            override fun onError(message: String?) {
+                viewModelScope.launch {
+                    if (!currentState.isRunning) return@launch
+                    updateState { copy(isRunning = false) }
+                    standaloneTest = null
+                    grpcJob = null
+                    if (message != null) {
+                        sendErrorMessage(message)
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/io/nekohasekai/sfa/compose/screen/tools/TailscaleEndpointScreen.kt

@@ -0,0 +1,362 @@
+package io.nekohasekai.sfa.compose.screen.tools
+
+import android.content.Intent
+import android.net.Uri
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material.icons.automirrored.outlined.OpenInNew
+import androidx.compose.material.icons.filled.QrCode2
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.ListItem
+import androidx.compose.material3.ListItemDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import androidx.navigation.NavController
+import io.nekohasekai.sfa.R
+import io.nekohasekai.sfa.compose.component.qr.QRCodeDialog
+import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
+import io.nekohasekai.sfa.compose.util.QRCodeGenerator
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun TailscaleEndpointScreen(
+    navController: NavController,
+    viewModel: TailscaleStatusViewModel,
+    endpointTag: String,
+) {
+    OverrideTopBar {
+        TopAppBar(
+            title = { Text(endpointTag) },
+            navigationIcon = {
+                IconButton(onClick = { navController.navigateUp() }) {
+                    Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = stringResource(R.string.content_description_back))
+                }
+            },
+        )
+    }
+
+    val state by viewModel.uiState.collectAsState()
+    val endpoint = state.endpoints.firstOrNull { it.endpointTag == endpointTag }
+
+    if (endpoint == null) {
+        LaunchedEffect(Unit) {
+            navController.navigateUp()
+        }
+        return
+    }
+
+    val context = LocalContext.current
+    var showAuthQRCode by remember { mutableStateOf(false) }
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(MaterialTheme.colorScheme.surface)
+            .verticalScroll(rememberScrollState())
+            .padding(vertical = 8.dp),
+    ) {
+        val hasNetwork = endpoint.networkName.isNotEmpty()
+        val hasMagicDNS = endpoint.magicDNSSuffix.isNotEmpty()
+        val hasAuth = endpoint.authURL.isNotEmpty()
+
+        // Status section
+        SectionHeader(stringResource(R.string.tailscale_status))
+        Card(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp),
+            colors = CardDefaults.cardColors(
+                containerColor = MaterialTheme.colorScheme.surfaceContainer,
+            ),
+        ) {
+            Column {
+                val stateIsLast = !hasNetwork && !hasMagicDNS && !hasAuth
+                ListItem(
+                    headlineContent = {
+                        Text(
+                            stringResource(R.string.tailscale_state),
+                            style = MaterialTheme.typography.bodyLarge,
+                        )
+                    },
+                    supportingContent = {
+                        Row(
+                            verticalAlignment = Alignment.CenterVertically,
+                            horizontalArrangement = Arrangement.spacedBy(6.dp),
+                        ) {
+                            Box(
+                                modifier = Modifier
+                                    .size(8.dp)
+                                    .clip(CircleShape)
+                                    .background(stateColor(endpoint.backendState)),
+                            )
+                            Text(
+                                endpoint.backendState,
+                                style = MaterialTheme.typography.bodyMedium,
+                                color = stateColor(endpoint.backendState),
+                            )
+                        }
+                    },
+                    modifier = Modifier.clip(
+                        if (stateIsLast) {
+                            RoundedCornerShape(12.dp)
+                        } else {
+                            RoundedCornerShape(topStart = 12.dp, topEnd = 12.dp)
+                        },
+                    ),
+                    colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+                )
+                if (hasNetwork) {
+                    val networkIsLast = !hasMagicDNS && !hasAuth
+                    ListItem(
+                        headlineContent = {
+                            Text(
+                                stringResource(R.string.tailscale_network),
+                                style = MaterialTheme.typography.bodyLarge,
+                            )
+                        },
+                        supportingContent = {
+                            Text(
+                                endpoint.networkName,
+                                style = MaterialTheme.typography.bodyMedium,
+                                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                            )
+                        },
+                        modifier = if (networkIsLast) {
+                            Modifier.clip(RoundedCornerShape(bottomStart = 12.dp, bottomEnd = 12.dp))
+                        } else {
+                            Modifier
+                        },
+                        colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+                    )
+                }
+                if (hasMagicDNS) {
+                    val magicDNSIsLast = !hasAuth
+                    ListItem(
+                        headlineContent = {
+                            Text(
+                                stringResource(R.string.tailscale_magic_dns),
+                                style = MaterialTheme.typography.bodyLarge,
+                            )
+                        },
+                        supportingContent = {
+                            Text(
+                                endpoint.magicDNSSuffix,
+                                style = MaterialTheme.typography.bodyMedium,
+                                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                            )
+                        },
+                        modifier = if (magicDNSIsLast) {
+                            Modifier.clip(RoundedCornerShape(bottomStart = 12.dp, bottomEnd = 12.dp))
+                        } else {
+                            Modifier
+                        },
+                        colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+                    )
+                }
+                if (hasAuth) {
+                    ListItem(
+                        headlineContent = {
+                            Text(
+                                stringResource(R.string.tailscale_open_auth_url),
+                                style = MaterialTheme.typography.bodyLarge,
+                            )
+                        },
+                        leadingContent = {
+                            Icon(
+                                Icons.AutoMirrored.Outlined.OpenInNew,
+                                contentDescription = null,
+                                tint = MaterialTheme.colorScheme.primary,
+                            )
+                        },
+                        modifier = Modifier.clickable {
+                            context.startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(endpoint.authURL)))
+                        },
+                        colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+                    )
+                    ListItem(
+                        headlineContent = {
+                            Text(
+                                stringResource(R.string.tailscale_open_auth_url_qr_code),
+                                style = MaterialTheme.typography.bodyLarge,
+                            )
+                        },
+                        leadingContent = {
+                            Icon(
+                                Icons.Default.QrCode2,
+                                contentDescription = null,
+                                tint = MaterialTheme.colorScheme.primary,
+                            )
+                        },
+                        modifier = Modifier
+                            .clip(RoundedCornerShape(bottomStart = 12.dp, bottomEnd = 12.dp))
+                            .clickable { showAuthQRCode = true },
+                        colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+                    )
+                }
+            }
+        }
+
+        // This Device section
+        if (endpoint.backendState == "Running" && endpoint.selfPeer != null) {
+            Spacer(modifier = Modifier.height(16.dp))
+            SectionHeader(stringResource(R.string.tailscale_this_device))
+            Card(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                ),
+            ) {
+                PeerItem(
+                    peer = endpoint.selfPeer,
+                    onClick = {
+                        navController.navigate(
+                            "tools/tailscale/${Uri.encode(endpointTag)}/peer/${Uri.encode(endpoint.selfPeer.id)}",
+                        )
+                    },
+                    modifier = Modifier.clip(RoundedCornerShape(12.dp)),
+                )
+            }
+        }
+
+        // User group sections
+        for (group in endpoint.userGroups) {
+            Spacer(modifier = Modifier.height(16.dp))
+            SectionHeader(group.displayName.ifEmpty { group.loginName })
+            Card(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                ),
+            ) {
+                Column {
+                    group.peers.forEachIndexed { index, peer ->
+                        if (index > 0) {
+                            HorizontalDivider(
+                                modifier = Modifier.padding(horizontal = 16.dp),
+                                color = MaterialTheme.colorScheme.outlineVariant.copy(alpha = 0.5f),
+                            )
+                        }
+                        PeerItem(
+                            peer = peer,
+                            onClick = {
+                                navController.navigate(
+                                    "tools/tailscale/${Uri.encode(endpointTag)}/peer/${Uri.encode(peer.id)}",
+                                )
+                            },
+                            modifier = when {
+                                group.peers.size == 1 -> Modifier.clip(RoundedCornerShape(12.dp))
+                                index == 0 -> Modifier.clip(RoundedCornerShape(topStart = 12.dp, topEnd = 12.dp))
+                                index == group.peers.lastIndex -> Modifier.clip(RoundedCornerShape(bottomStart = 12.dp, bottomEnd = 12.dp))
+                                else -> Modifier
+                            },
+                        )
+                    }
+                }
+            }
+        }
+
+        Spacer(modifier = Modifier.height(24.dp))
+    }
+
+    if (showAuthQRCode && endpoint.authURL.isNotEmpty()) {
+        val qrBitmap = QRCodeGenerator.rememberBitmap(endpoint.authURL)
+        QRCodeDialog(
+            bitmap = qrBitmap,
+            onDismiss = { showAuthQRCode = false },
+        )
+    }
+}
+
+@Composable
+private fun SectionHeader(title: String) {
+    Text(
+        text = title,
+        style = MaterialTheme.typography.labelLarge,
+        color = MaterialTheme.colorScheme.primary,
+        modifier = Modifier.padding(horizontal = 32.dp, vertical = 8.dp),
+    )
+}
+
+@Composable
+private fun PeerItem(
+    peer: TailscalePeerData,
+    onClick: () -> Unit,
+    modifier: Modifier = Modifier,
+) {
+    ListItem(
+        headlineContent = {
+            Text(
+                peer.hostName,
+                style = MaterialTheme.typography.bodyLarge,
+            )
+        },
+        supportingContent = if (peer.tailscaleIPs.isNotEmpty()) {
+            {
+                Text(
+                    peer.tailscaleIPs.first(),
+                    style = MaterialTheme.typography.bodyMedium,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant,
+                )
+            }
+        } else {
+            null
+        },
+        leadingContent = {
+            Box(
+                modifier = Modifier
+                    .size(8.dp)
+                    .clip(CircleShape)
+                    .background(if (peer.online) Color(0xFF4CAF50) else Color.Gray),
+            )
+        },
+        modifier = modifier.clickable(onClick = onClick),
+        colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+    )
+}
+
+private fun stateColor(state: String): Color = when (state) {
+    "Running" -> Color(0xFF4CAF50)
+    "NeedsLogin", "NeedsMachineAuth" -> Color(0xFFFF9800)
+    "Starting" -> Color(0xFFFFEB3B)
+    else -> Color.Gray
+}

app/src/main/java/io/nekohasekai/sfa/compose/screen/tools/TailscalePeerScreen.kt

@@ -0,0 +1,460 @@
+package io.nekohasekai.sfa.compose.screen.tools
+
+import android.text.format.DateUtils
+import androidx.compose.foundation.background
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material.icons.filled.Check
+import androidx.compose.material.icons.filled.PlayArrow
+import androidx.compose.material.icons.filled.Stop
+import androidx.compose.material.icons.outlined.ContentCopy
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.lerp
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.navigation.NavController
+import io.nekohasekai.libbox.Libbox
+import io.nekohasekai.sfa.R
+import io.nekohasekai.sfa.compose.LineChart
+import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
+import io.nekohasekai.sfa.ktx.clipboardText
+import kotlinx.coroutines.delay
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun TailscalePeerScreen(
+    navController: NavController,
+    viewModel: TailscaleStatusViewModel,
+    endpointTag: String,
+    peerId: String,
+) {
+    val state by viewModel.uiState.collectAsState()
+    val peer = viewModel.peer(endpointTag, peerId)
+    val isSelf = viewModel.endpoint(endpointTag)?.selfPeer?.id == peerId
+    val pingViewModel: TailscalePingViewModel = viewModel()
+    val pingState by pingViewModel.uiState.collectAsState()
+
+    DisposableEffect(Unit) {
+        onDispose {
+            if (pingState.isRunning) {
+                pingViewModel.stopPing()
+            }
+        }
+    }
+
+    OverrideTopBar {
+        TopAppBar(
+            title = {
+                Column {
+                    Text(
+                        peer?.hostName ?: "",
+                        style = MaterialTheme.typography.titleMedium,
+                    )
+                    Row(
+                        verticalAlignment = Alignment.CenterVertically,
+                        horizontalArrangement = Arrangement.spacedBy(4.dp),
+                    ) {
+                        Box(
+                            modifier = Modifier
+                                .size(6.dp)
+                                .clip(CircleShape)
+                                .background(
+                                    if (peer?.online == true) Color(0xFF4CAF50) else Color.Gray,
+                                ),
+                        )
+                        Text(
+                            if (peer?.online == true) {
+                                stringResource(R.string.tailscale_connected)
+                            } else {
+                                stringResource(R.string.tailscale_not_connected)
+                            },
+                            style = MaterialTheme.typography.bodySmall,
+                            color = MaterialTheme.colorScheme.onSurfaceVariant,
+                        )
+                    }
+                }
+            },
+            navigationIcon = {
+                IconButton(onClick = { navController.navigateUp() }) {
+                    Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = stringResource(R.string.content_description_back))
+                }
+            },
+        )
+    }
+
+    if (peer == null) {
+        LaunchedEffect(Unit) {
+            navController.navigateUp()
+        }
+        return
+    }
+
+    var copiedAddress by remember { mutableStateOf<String?>(null) }
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(MaterialTheme.colorScheme.surface)
+            .verticalScroll(rememberScrollState())
+            .padding(vertical = 8.dp),
+    ) {
+        // Tailscale Addresses section
+        SectionHeader(stringResource(R.string.tailscale_addresses))
+        Card(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp),
+            colors = CardDefaults.cardColors(
+                containerColor = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.3f),
+            ),
+        ) {
+            Column(
+                modifier = Modifier.padding(16.dp),
+                verticalArrangement = Arrangement.spacedBy(12.dp),
+            ) {
+                if (peer.dnsName.isNotEmpty()) {
+                    AddressRow(
+                        address = Libbox.formatFQDN(peer.dnsName),
+                        label = stringResource(R.string.tailscale_magic_dns),
+                        copied = copiedAddress,
+                        onCopy = { copiedAddress = it },
+                    )
+                }
+                for (ip in peer.tailscaleIPs) {
+                    AddressRow(
+                        address = ip,
+                        label = if (ip.contains(":")) {
+                            stringResource(R.string.tailscale_ipv6)
+                        } else {
+                            stringResource(R.string.tailscale_ipv4)
+                        },
+                        copied = copiedAddress,
+                        onCopy = { copiedAddress = it },
+                    )
+                }
+            }
+        }
+
+        // Ping section (not for self peer)
+        if (!isSelf && peer.online && peer.tailscaleIPs.isNotEmpty()) {
+            val peerIP = peer.tailscaleIPs.first()
+
+            Spacer(modifier = Modifier.height(16.dp))
+            Row(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 32.dp, vertical = 8.dp),
+                horizontalArrangement = Arrangement.SpaceBetween,
+                verticalAlignment = Alignment.CenterVertically,
+            ) {
+                Text(
+                    text = stringResource(R.string.tailscale_ping),
+                    style = MaterialTheme.typography.titleSmall,
+                    color = MaterialTheme.colorScheme.primary,
+                )
+                Surface(
+                    onClick = {
+                        if (pingState.isRunning) {
+                            pingViewModel.stopPing()
+                        } else {
+                            pingViewModel.startPing(endpointTag, peerIP)
+                        }
+                    },
+                    shape = RoundedCornerShape(12.dp),
+                    color = if (isSystemInDarkTheme()) {
+                        lerp(
+                            MaterialTheme.colorScheme.surfaceContainerHighest,
+                            MaterialTheme.colorScheme.surfaceContainerHigh,
+                            0.5f,
+                        )
+                    } else {
+                        MaterialTheme.colorScheme.surfaceDim
+                    },
+                    modifier = Modifier.size(width = 44.dp, height = 32.dp),
+                ) {
+                    Box(contentAlignment = Alignment.Center) {
+                        Icon(
+                            imageVector = if (pingState.isRunning) Icons.Default.Stop else Icons.Default.PlayArrow,
+                            contentDescription = if (pingState.isRunning) {
+                                stringResource(R.string.tailscale_ping_stop)
+                            } else {
+                                stringResource(R.string.tailscale_ping_start)
+                            },
+                            modifier = Modifier.size(20.dp),
+                            tint = MaterialTheme.colorScheme.onSurfaceVariant,
+                        )
+                    }
+                }
+            }
+            Card(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.3f),
+                ),
+            ) {
+                Column(
+                    modifier = Modifier.padding(16.dp),
+                ) {
+                    if (pingState.hasResult) {
+                        Row(
+                            modifier = Modifier.fillMaxWidth(),
+                            verticalAlignment = Alignment.CenterVertically,
+                        ) {
+                            if (pingState.isDirect) {
+                                Text(
+                                    text = "\u2192 ",
+                                    color = Color(0xFF4CAF50),
+                                )
+                                Text(
+                                    text = stringResource(R.string.tailscale_ping_direct),
+                                    color = Color(0xFF4CAF50),
+                                )
+                            } else {
+                                Text(
+                                    text = "\u21BB ",
+                                    color = Color(0xFFFF9800),
+                                )
+                                Text(
+                                    text = stringResource(R.string.tailscale_ping_derp),
+                                    color = Color(0xFFFF9800),
+                                )
+                            }
+                            Spacer(modifier = Modifier.weight(1f))
+                            Text(
+                                text = "${pingState.latencyMs.toInt()} ms",
+                                style = MaterialTheme.typography.titleMedium,
+                                fontWeight = FontWeight.Bold,
+                            )
+                        }
+                        if (pingState.isRunning && pingState.latencyHistory.size > 1) {
+                            Spacer(modifier = Modifier.height(8.dp))
+                            Row(
+                                verticalAlignment = Alignment.CenterVertically,
+                            ) {
+                                LineChart(
+                                    data = pingState.latencyHistory,
+                                    lineColor = if (pingState.isDirect) {
+                                        Color(0xFF4CAF50)
+                                    } else {
+                                        Color(0xFF2196F3)
+                                    },
+                                    animate = false,
+                                    modifier = Modifier.weight(1f),
+                                )
+                                Spacer(modifier = Modifier.width(8.dp))
+                                val maxMs = (
+                                    (
+                                        pingState.latencyHistory.maxOrNull()
+                                            ?: 1f
+                                        ) * 1.2f
+                                    ).toInt().coerceAtLeast(1)
+                                Column(
+                                    modifier = Modifier.height(80.dp),
+                                    verticalArrangement = Arrangement.SpaceBetween,
+                                ) {
+                                    Text(
+                                        text = "${maxMs}ms",
+                                        style = MaterialTheme.typography.labelSmall,
+                                        color = MaterialTheme.colorScheme.onSurfaceVariant,
+                                    )
+                                    Text(
+                                        text = "${maxMs * 2 / 3}ms",
+                                        style = MaterialTheme.typography.labelSmall,
+                                        color = MaterialTheme.colorScheme.onSurfaceVariant,
+                                    )
+                                    Text(
+                                        text = "${maxMs / 3}ms",
+                                        style = MaterialTheme.typography.labelSmall,
+                                        color = MaterialTheme.colorScheme.onSurfaceVariant,
+                                    )
+                                    Text(
+                                        text = "0ms",
+                                        style = MaterialTheme.typography.labelSmall,
+                                        color = MaterialTheme.colorScheme.onSurfaceVariant,
+                                    )
+                                }
+                            }
+                        }
+                    } else {
+                        Text(
+                            text = "No data",
+                            color = MaterialTheme.colorScheme.onSurfaceVariant,
+                        )
+                    }
+                }
+            }
+        }
+
+        // Details section
+        val showDetails = peer.keyExpiry > 0 || peer.os.isNotEmpty() || peer.exitNode
+        if (showDetails) {
+            Spacer(modifier = Modifier.height(16.dp))
+            SectionHeader(stringResource(R.string.tailscale_details))
+            Card(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.3f),
+                ),
+            ) {
+                val context = LocalContext.current
+                Column(
+                    modifier = Modifier.padding(16.dp),
+                    verticalArrangement = Arrangement.spacedBy(12.dp),
+                ) {
+                    if (peer.keyExpiry > 0) {
+                        val expiryText = DateUtils.getRelativeTimeSpanString(
+                            peer.keyExpiry * 1000,
+                            System.currentTimeMillis(),
+                            DateUtils.MINUTE_IN_MILLIS,
+                        ).toString()
+                        DetailRow(
+                            label = stringResource(R.string.tailscale_key_expiry),
+                            value = expiryText,
+                        )
+                    }
+                    if (peer.os.isNotEmpty()) {
+                        DetailRow(
+                            label = stringResource(R.string.tailscale_os),
+                            value = peer.os,
+                        )
+                    }
+                    if (peer.exitNode) {
+                        DetailRow(
+                            label = stringResource(R.string.tailscale_exit_node),
+                            value = stringResource(R.string.tailscale_active),
+                        )
+                    }
+                }
+            }
+        }
+
+        Spacer(modifier = Modifier.height(24.dp))
+    }
+
+    LaunchedEffect(copiedAddress) {
+        if (copiedAddress != null) {
+            delay(2000)
+            copiedAddress = null
+        }
+    }
+}
+
+@Composable
+private fun SectionHeader(title: String) {
+    Text(
+        text = title,
+        style = MaterialTheme.typography.titleSmall,
+        color = MaterialTheme.colorScheme.primary,
+        modifier = Modifier.padding(horizontal = 32.dp, vertical = 8.dp),
+    )
+}
+
+@Composable
+private fun DetailRow(label: String, value: String) {
+    Row(
+        modifier = Modifier.fillMaxWidth(),
+        horizontalArrangement = Arrangement.SpaceBetween,
+        verticalAlignment = Alignment.CenterVertically,
+    ) {
+        Text(
+            text = label,
+            style = MaterialTheme.typography.bodyMedium,
+            color = MaterialTheme.colorScheme.onSurfaceVariant,
+            modifier = Modifier.padding(end = 16.dp),
+        )
+        Text(
+            text = value,
+            style = MaterialTheme.typography.bodyMedium.copy(fontFamily = FontFamily.Monospace),
+            color = MaterialTheme.colorScheme.onSurface,
+            textAlign = TextAlign.End,
+        )
+    }
+}
+
+@Composable
+private fun AddressRow(
+    address: String,
+    label: String,
+    copied: String?,
+    onCopy: (String) -> Unit,
+) {
+    Row(
+        modifier = Modifier.fillMaxWidth(),
+        verticalAlignment = Alignment.CenterVertically,
+    ) {
+        Column(modifier = Modifier.weight(1f)) {
+            Text(
+                address,
+                style = MaterialTheme.typography.bodyMedium,
+            )
+            Text(
+                label,
+                style = MaterialTheme.typography.bodySmall,
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+            )
+        }
+        IconButton(onClick = {
+            clipboardText = address
+            onCopy(address)
+        }) {
+            if (copied == address) {
+                Icon(
+                    Icons.Default.Check,
+                    contentDescription = null,
+                    tint = MaterialTheme.colorScheme.onSurfaceVariant,
+                )
+            } else {
+                Icon(
+                    Icons.Outlined.ContentCopy,
+                    contentDescription = null,
+                    tint = MaterialTheme.colorScheme.primary,
+                )
+            }
+        }
+    }
+}

app/src/main/java/io/nekohasekai/sfa/compose/screen/tools/TailscalePingViewModel.kt

@@ -0,0 +1,108 @@
+package io.nekohasekai.sfa.compose.screen.tools
+
+import androidx.lifecycle.viewModelScope
+import io.nekohasekai.libbox.CommandClient
+import io.nekohasekai.libbox.Libbox
+import io.nekohasekai.libbox.TailscalePingHandler
+import io.nekohasekai.libbox.TailscalePingResult
+import io.nekohasekai.sfa.compose.base.BaseViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+data class TailscalePingState(
+    val isRunning: Boolean = false,
+    val hasResult: Boolean = false,
+    val latencyMs: Double = 0.0,
+    val isDirect: Boolean = false,
+    val derpRegionCode: String = "",
+    val endpoint: String = "",
+    val latencyHistory: List<Float> = emptyList(),
+)
+
+class TailscalePingViewModel : BaseViewModel<TailscalePingState, Nothing>() {
+    private val maxHistorySize = 30
+    private var commandClient: CommandClient? = null
+    private var grpcJob: Job? = null
+
+    override fun createInitialState() = TailscalePingState()
+
+    fun startPing(endpointTag: String, peerIP: String) {
+        updateState {
+            copy(
+                isRunning = true,
+                hasResult = false,
+                latencyHistory = emptyList(),
+            )
+        }
+
+        val client = Libbox.newStandaloneCommandClient()
+        commandClient = client
+
+        grpcJob = viewModelScope.launch(Dispatchers.IO) {
+            try {
+                client.startTailscalePing(
+                    endpointTag,
+                    peerIP,
+                    object : TailscalePingHandler {
+                        override fun onPingResult(result: TailscalePingResult?) {
+                            result ?: return
+                            viewModelScope.launch {
+                                if (!currentState.isRunning) return@launch
+                                if (result.error.isNotEmpty()) return@launch
+                                val newHistory = currentState.latencyHistory.toMutableList()
+                                newHistory.add(result.latencyMs.toFloat())
+                                if (newHistory.size > maxHistorySize) {
+                                    newHistory.removeFirst()
+                                }
+                                updateState {
+                                    copy(
+                                        hasResult = true,
+                                        latencyMs = result.latencyMs,
+                                        isDirect = result.isDirect,
+                                        derpRegionCode = result.derpRegionCode,
+                                        endpoint = result.endpoint,
+                                        latencyHistory = newHistory,
+                                    )
+                                }
+                            }
+                        }
+
+                        override fun onError(message: String?) {
+                            viewModelScope.launch {
+                                if (!currentState.isRunning) return@launch
+                                updateState { copy(isRunning = false) }
+                                commandClient = null
+                                grpcJob = null
+                            }
+                        }
+                    },
+                )
+            } catch (e: Exception) {
+                withContext(Dispatchers.Main) {
+                    if (!currentState.isRunning) return@withContext
+                    updateState { copy(isRunning = false) }
+                    commandClient = null
+                    grpcJob = null
+                }
+            }
+        }
+    }
+
+    fun stopPing() {
+        grpcJob?.cancel()
+        grpcJob = null
+        try {
+            commandClient?.disconnect()
+        } catch (_: Exception) {
+        }
+        commandClient = null
+        updateState { copy(isRunning = false) }
+    }
+
+    override fun onCleared() {
+        super.onCleared()
+        stopPing()
+    }
+}

app/src/main/java/io/nekohasekai/sfa/compose/screen/tools/TailscaleStatusViewModel.kt

@@ -0,0 +1,180 @@
+package io.nekohasekai.sfa.compose.screen.tools
+
+import androidx.lifecycle.viewModelScope
+import io.nekohasekai.libbox.Libbox
+import io.nekohasekai.libbox.TailscaleStatusHandler
+import io.nekohasekai.libbox.TailscaleStatusUpdate
+import io.nekohasekai.sfa.compose.base.BaseViewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+
+data class TailscalePeerData(
+    val id: String,
+    val hostName: String,
+    val dnsName: String,
+    val os: String,
+    val tailscaleIPs: List<String>,
+    val online: Boolean,
+    val exitNode: Boolean,
+    val exitNodeOption: Boolean,
+    val active: Boolean,
+    val rxBytes: Long,
+    val txBytes: Long,
+    val keyExpiry: Long,
+)
+
+data class TailscaleUserGroupData(
+    val id: Long,
+    val loginName: String,
+    val displayName: String,
+    val profilePicURL: String,
+    val peers: List<TailscalePeerData>,
+)
+
+data class TailscaleEndpointData(
+    val endpointTag: String,
+    val backendState: String,
+    val authURL: String,
+    val networkName: String,
+    val magicDNSSuffix: String,
+    val selfPeer: TailscalePeerData?,
+    val userGroups: List<TailscaleUserGroupData>,
+)
+
+data class TailscaleStatusState(
+    val endpoints: List<TailscaleEndpointData> = emptyList(),
+    val isSubscribed: Boolean = false,
+)
+
+class TailscaleStatusViewModel : BaseViewModel<TailscaleStatusState, Nothing>() {
+    private var grpcJob: Job? = null
+
+    override fun createInitialState() = TailscaleStatusState()
+
+    fun subscribe() {
+        if (currentState.isSubscribed) return
+        updateState { copy(isSubscribed = true) }
+
+        grpcJob = viewModelScope.launch(Dispatchers.IO) {
+            try {
+                Libbox.newStandaloneCommandClient()
+                    .subscribeTailscaleStatus(object : TailscaleStatusHandler {
+                        override fun onStatusUpdate(status: TailscaleStatusUpdate) {
+                            val endpoints = convertUpdate(status)
+                            viewModelScope.launch {
+                                if (!currentState.isSubscribed) return@launch
+                                updateState { copy(endpoints = endpoints) }
+                            }
+                        }
+
+                        override fun onError(message: String) {
+                            viewModelScope.launch {
+                                if (!currentState.isSubscribed) return@launch
+                                updateState { copy(endpoints = emptyList(), isSubscribed = false) }
+                                grpcJob = null
+                                sendErrorMessage(message)
+                            }
+                        }
+                    })
+            } catch (_: Exception) {
+                viewModelScope.launch {
+                    updateState { copy(endpoints = emptyList(), isSubscribed = false) }
+                    grpcJob = null
+                }
+            }
+        }
+    }
+
+    fun cancel() {
+        grpcJob?.cancel()
+        grpcJob = null
+        updateState { copy(endpoints = emptyList(), isSubscribed = false) }
+    }
+
+    fun endpoint(tag: String): TailscaleEndpointData? = currentState.endpoints.firstOrNull { it.endpointTag == tag }
+
+    fun peer(endpointTag: String, peerId: String): TailscalePeerData? {
+        val ep = endpoint(endpointTag) ?: return null
+        if (ep.selfPeer?.id == peerId) return ep.selfPeer
+        for (group in ep.userGroups) {
+            val found = group.peers.firstOrNull { it.id == peerId }
+            if (found != null) return found
+        }
+        return null
+    }
+
+    override fun onCleared() {
+        cancel()
+        super.onCleared()
+    }
+
+    private fun convertUpdate(status: TailscaleStatusUpdate): List<TailscaleEndpointData> {
+        val endpoints = mutableListOf<TailscaleEndpointData>()
+        val iterator = status.endpoints()
+        while (iterator.hasNext()) {
+            endpoints.add(convertEndpoint(iterator.next()))
+        }
+        return endpoints
+    }
+
+    private fun convertEndpoint(
+        endpoint: io.nekohasekai.libbox.TailscaleEndpointStatus,
+    ): TailscaleEndpointData {
+        val userGroups = mutableListOf<TailscaleUserGroupData>()
+        val groupIterator = endpoint.userGroups()
+        while (groupIterator.hasNext()) {
+            userGroups.add(convertUserGroup(groupIterator.next()))
+        }
+        val self = endpoint.getSelf()
+        return TailscaleEndpointData(
+            endpointTag = endpoint.endpointTag,
+            backendState = endpoint.backendState,
+            authURL = endpoint.authURL,
+            networkName = endpoint.networkName,
+            magicDNSSuffix = endpoint.magicDNSSuffix,
+            selfPeer = if (self != null) convertPeer(self) else null,
+            userGroups = userGroups,
+        )
+    }
+
+    private fun convertUserGroup(
+        group: io.nekohasekai.libbox.TailscaleUserGroup,
+    ): TailscaleUserGroupData {
+        val peers = mutableListOf<TailscalePeerData>()
+        val peerIterator = group.peers()
+        while (peerIterator.hasNext()) {
+            peers.add(convertPeer(peerIterator.next()))
+        }
+        return TailscaleUserGroupData(
+            id = group.userID,
+            loginName = group.loginName,
+            displayName = group.displayName,
+            profilePicURL = group.profilePicURL,
+            peers = peers,
+        )
+    }
+
+    private fun convertPeer(peer: io.nekohasekai.libbox.TailscalePeer): TailscalePeerData {
+        val ips = mutableListOf<String>()
+        val ipIterator = peer.tailscaleIPs()
+        while (ipIterator.hasNext()) {
+            ips.add(ipIterator.next())
+        }
+        val dnsName = peer.getDNSName()
+        return TailscalePeerData(
+            id = if (dnsName.isNotEmpty()) dnsName else peer.hostName,
+            hostName = peer.hostName,
+            dnsName = dnsName,
+            os = peer.getOS(),
+            tailscaleIPs = ips,
+            online = peer.online,
+            exitNode = peer.exitNode,
+            exitNodeOption = peer.exitNodeOption,
+            active = peer.active,
+            rxBytes = peer.rxBytes,
+            txBytes = peer.txBytes,
+            keyExpiry = peer.keyExpiry,
+        )
+    }
+}

app/src/main/java/io/nekohasekai/sfa/compose/screen/tools/ToolsScreen.kt

@@ -0,0 +1,253 @@
+package io.nekohasekai.sfa.compose.screen.tools
+
+import android.net.Uri
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.BugReport
+import androidx.compose.material.icons.outlined.Hub
+import androidx.compose.material.icons.outlined.Memory
+import androidx.compose.material.icons.outlined.NetworkCheck
+import androidx.compose.material3.Badge
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.ListItem
+import androidx.compose.material3.ListItemDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import androidx.navigation.NavController
+import io.nekohasekai.sfa.R
+import io.nekohasekai.sfa.bg.CrashReportManager
+import io.nekohasekai.sfa.bg.OOMReportManager
+import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
+import io.nekohasekai.sfa.constant.Status
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun ToolsScreen(
+    navController: NavController,
+    serviceStatus: Status = Status.Stopped,
+    tailscaleViewModel: TailscaleStatusViewModel,
+) {
+    OverrideTopBar {
+        TopAppBar(
+            title = { Text(stringResource(R.string.title_tools)) },
+        )
+    }
+
+    val crashUnreadCount by CrashReportManager.unreadCount.collectAsState()
+    val oomUnreadCount by OOMReportManager.unreadCount.collectAsState()
+    val tailscaleState by tailscaleViewModel.uiState.collectAsState()
+
+    LaunchedEffect(serviceStatus) {
+        if (serviceStatus == Status.Started) {
+            tailscaleViewModel.subscribe()
+        } else {
+            tailscaleViewModel.cancel()
+        }
+    }
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(MaterialTheme.colorScheme.surface)
+            .verticalScroll(rememberScrollState())
+            .padding(vertical = 8.dp),
+    ) {
+        if (tailscaleState.endpoints.isNotEmpty()) {
+            Text(
+                text = stringResource(R.string.tailscale_endpoints),
+                style = MaterialTheme.typography.labelLarge,
+                color = MaterialTheme.colorScheme.primary,
+                modifier = Modifier.padding(horizontal = 32.dp, vertical = 8.dp),
+            )
+
+            Card(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                ),
+            ) {
+                val endpoints = tailscaleState.endpoints
+                endpoints.forEachIndexed { index, endpoint ->
+                    val shape = when {
+                        endpoints.size == 1 -> RoundedCornerShape(12.dp)
+                        index == 0 -> RoundedCornerShape(topStart = 12.dp, topEnd = 12.dp)
+                        index == endpoints.size - 1 -> RoundedCornerShape(bottomStart = 12.dp, bottomEnd = 12.dp)
+                        else -> RoundedCornerShape(0.dp)
+                    }
+                    ListItem(
+                        headlineContent = {
+                            Text(
+                                if (endpoints.size == 1) {
+                                    stringResource(R.string.tailscale)
+                                } else {
+                                    stringResource(R.string.tailscale_with_tag, endpoint.endpointTag)
+                                },
+                                style = MaterialTheme.typography.bodyLarge,
+                            )
+                        },
+                        leadingContent = {
+                            Icon(
+                                imageVector = Icons.Outlined.Hub,
+                                contentDescription = null,
+                                tint = MaterialTheme.colorScheme.primary,
+                            )
+                        },
+                        modifier = Modifier
+                            .clip(shape)
+                            .clickable {
+                                navController.navigate("tools/tailscale/${Uri.encode(endpoint.endpointTag)}")
+                            },
+                        colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+                    )
+                }
+            }
+        }
+
+        Text(
+            text = stringResource(R.string.title_network),
+            style = MaterialTheme.typography.labelLarge,
+            color = MaterialTheme.colorScheme.primary,
+            modifier = Modifier.padding(horizontal = 32.dp, vertical = 8.dp),
+        )
+
+        Card(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp),
+            colors = CardDefaults.cardColors(
+                containerColor = MaterialTheme.colorScheme.surfaceContainer,
+            ),
+        ) {
+            ListItem(
+                headlineContent = {
+                    Text(
+                        stringResource(R.string.network_quality),
+                        style = MaterialTheme.typography.bodyLarge,
+                    )
+                },
+                leadingContent = {
+                    Icon(
+                        imageVector = Icons.Outlined.NetworkCheck,
+                        contentDescription = null,
+                        tint = MaterialTheme.colorScheme.primary,
+                    )
+                },
+                modifier = Modifier
+                    .clip(RoundedCornerShape(topStart = 12.dp, topEnd = 12.dp))
+                    .clickable { navController.navigate("tools/network_quality") },
+                colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+            )
+            ListItem(
+                headlineContent = {
+                    Text(
+                        stringResource(R.string.stun_test),
+                        style = MaterialTheme.typography.bodyLarge,
+                    )
+                },
+                leadingContent = {
+                    Icon(
+                        imageVector = Icons.Outlined.NetworkCheck,
+                        contentDescription = null,
+                        tint = MaterialTheme.colorScheme.primary,
+                    )
+                },
+                modifier = Modifier
+                    .clip(RoundedCornerShape(bottomStart = 12.dp, bottomEnd = 12.dp))
+                    .clickable { navController.navigate("tools/stun_test") },
+                colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+            )
+        }
+
+        Text(
+            text = stringResource(R.string.title_debug),
+            style = MaterialTheme.typography.labelLarge,
+            color = MaterialTheme.colorScheme.primary,
+            modifier = Modifier.padding(horizontal = 32.dp, vertical = 8.dp),
+        )
+
+        Card(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp),
+            colors = CardDefaults.cardColors(
+                containerColor = MaterialTheme.colorScheme.surfaceContainer,
+            ),
+        ) {
+            ListItem(
+                headlineContent = {
+                    Text(
+                        stringResource(R.string.crash_report),
+                        style = MaterialTheme.typography.bodyLarge,
+                    )
+                },
+                leadingContent = {
+                    Icon(
+                        imageVector = Icons.Outlined.BugReport,
+                        contentDescription = null,
+                        tint = MaterialTheme.colorScheme.primary,
+                    )
+                },
+                trailingContent = {
+                    if (crashUnreadCount > 0) {
+                        Badge(containerColor = MaterialTheme.colorScheme.primary) {
+                            Text("$crashUnreadCount")
+                        }
+                    }
+                },
+                modifier = Modifier
+                    .clip(RoundedCornerShape(topStart = 12.dp, topEnd = 12.dp))
+                    .clickable { navController.navigate("tools/crash_report") },
+                colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+            )
+            ListItem(
+                headlineContent = {
+                    Text(
+                        stringResource(R.string.oom_report),
+                        style = MaterialTheme.typography.bodyLarge,
+                    )
+                },
+                leadingContent = {
+                    Icon(
+                        imageVector = Icons.Outlined.Memory,
+                        contentDescription = null,
+                        tint = MaterialTheme.colorScheme.primary,
+                    )
+                },
+                trailingContent = {
+                    if (oomUnreadCount > 0) {
+                        Badge(containerColor = MaterialTheme.colorScheme.primary) {
+                            Text("$oomUnreadCount")
+                        }
+                    }
+                },
+                modifier = Modifier
+                    .clip(RoundedCornerShape(bottomStart = 12.dp, bottomEnd = 12.dp))
+                    .clickable { navController.navigate("tools/oom_report") },
+                colors = ListItemDefaults.colors(containerColor = Color.Transparent),
+            )
+        }
+    }
+}

app/src/main/java/io/nekohasekai/sfa/constant/SettingsKey.kt

@@ -31,6 +31,11 @@ object SettingsKey {
     const val PRIVILEGE_SETTINGS_INTERFACE_RENAME_ENABLED = "hide_settings_interface_rename_enabled"
     const val PRIVILEGE_SETTINGS_INTERFACE_PREFIX = "hide_settings_interface_prefix"
 
+    // OOM killer
+    const val OOM_KILLER_ENABLED = "oom_killer_enabled"
+    const val OOM_KILLER_DISABLED = "oom_killer_disabled"
+    const val OOM_MEMORY_LIMIT_MB = "oom_memory_limit_mb"
+
     // dashboard
     const val DASHBOARD_ITEM_ORDER = "dashboard_item_order"
     const val DASHBOARD_DISABLED_ITEMS = "dashboard_disabled_items"

app/src/main/java/io/nekohasekai/sfa/database/Settings.kt

@@ -106,6 +106,10 @@ object Settings {
     ) { false }
     var privilegeSettingsInterfacePrefix by dataStore.string(SettingsKey.PRIVILEGE_SETTINGS_INTERFACE_PREFIX) { "wlan" }
 
+    var oomKillerEnabled by dataStore.boolean(SettingsKey.OOM_KILLER_ENABLED) { false }
+    var oomKillerDisabled by dataStore.boolean(SettingsKey.OOM_KILLER_DISABLED) { true }
+    var oomMemoryLimitMB by dataStore.int(SettingsKey.OOM_MEMORY_LIMIT_MB) { 50 }
+
     var dashboardItemOrder by dataStore.string(SettingsKey.DASHBOARD_ITEM_ORDER) { "" }
     var dashboardDisabledItems by dataStore.stringSet(SettingsKey.DASHBOARD_DISABLED_ITEMS) { emptySet() }
 

app/src/main/java/io/nekohasekai/sfa/update/FDroidUpdateChecker.kt

@@ -1,7 +1,7 @@
 package io.nekohasekai.sfa.update
 
 import android.content.Context
-import io.nekohasekai.libbox.checkFDroidUpdate as libboxCheckFDroidUpdate
+import io.nekohasekai.libbox.Libbox
 import io.nekohasekai.sfa.database.Settings
 
 fun checkFDroidUpdate(context: Context): UpdateInfo? {
@@ -9,7 +9,7 @@ fun checkFDroidUpdate(context: Context): UpdateInfo? {
 
     @Suppress("DEPRECATION")
     val versionCode = context.packageManager.getPackageInfo(packageName, 0).versionCode
-    val result = libboxCheckFDroidUpdate(
+    val result = Libbox.checkFDroidUpdate(
         Settings.fdroidMirrorUrl,
         packageName,
         versionCode,

app/src/main/java/io/nekohasekai/sfa/utils/CommandClient.kt

@@ -10,6 +10,7 @@ import io.nekohasekai.libbox.Libbox
 import io.nekohasekai.libbox.LogEntry
 import io.nekohasekai.libbox.LogIterator
 import io.nekohasekai.libbox.OutboundGroup
+import io.nekohasekai.libbox.OutboundGroupItemIterator
 import io.nekohasekai.libbox.OutboundGroupIterator
 import io.nekohasekai.libbox.StatusMessage
 import io.nekohasekai.libbox.StringIterator
@@ -29,6 +30,7 @@ open class CommandClient(
 
     private val additionalHandlers = mutableListOf<Handler>()
     private var cachedGroups: MutableList<OutboundGroup>? = null
+    private var cachedOutbounds: List<io.nekohasekai.libbox.OutboundGroupItem>? = null
 
     fun addHandler(handler: Handler) {
         synchronized(additionalHandlers) {
@@ -37,6 +39,9 @@ open class CommandClient(
                 cachedGroups?.let { groups ->
                     handler.updateGroups(groups)
                 }
+                cachedOutbounds?.let { outbounds ->
+                    handler.updateOutbounds(outbounds)
+                }
             }
         }
     }
@@ -57,6 +62,7 @@ open class CommandClient(
         Log,
         ClashMode,
         Connections,
+        Outbounds,
     }
 
     interface Handler {
@@ -74,6 +80,8 @@ open class CommandClient(
 
         fun updateGroups(newGroups: MutableList<OutboundGroup>) {}
 
+        fun updateOutbounds(outbounds: List<io.nekohasekai.libbox.OutboundGroupItem>) {}
+
         fun initializeClashMode(modeList: List<String>, currentMode: String) {}
 
         fun updateClashMode(newMode: String) {}
@@ -95,6 +103,7 @@ open class CommandClient(
                     ConnectionType.Log -> Libbox.CommandLog
                     ConnectionType.ClashMode -> Libbox.CommandClashMode
                     ConnectionType.Connections -> Libbox.CommandConnections
+                    ConnectionType.Outbounds -> Libbox.CommandOutbounds
                 }
             options.addCommand(command)
         }
@@ -142,6 +151,18 @@ open class CommandClient(
             getAllHandlers().forEach { it.updateGroups(groups) }
         }
 
+        override fun writeOutbounds(message: OutboundGroupItemIterator?) {
+            if (message == null) {
+                return
+            }
+            val outbounds = mutableListOf<io.nekohasekai.libbox.OutboundGroupItem>()
+            while (message.hasNext()) {
+                outbounds.add(message.next())
+            }
+            cachedOutbounds = outbounds
+            getAllHandlers().forEach { it.updateOutbounds(outbounds) }
+        }
+
         override fun setDefaultLogLevel(level: Int) {
             getAllHandlers().forEach { it.setDefaultLogLevel(level) }
         }

app/src/main/res/values-fa/strings.xml

@@ -23,6 +23,8 @@
     <string name="action">اقدام</string>
     <string name="action_start">شروع</string>
     <string name="action_deselect">لغو انتخاب</string>
+    <string name="action_reload">بارگذاری مجدد</string>
+    <string name="action_restart">راه‌اندازی مجدد</string>
     <string name="expand">باز کردن</string>
     <string name="collapse">جمع کردن</string>
     <string name="expand_all">باز کردن همه</string>
@@ -200,6 +202,8 @@
     <string name="working_directory">پوشه کاری</string>
     <string name="beta_settings">تنظیمات بتا</string>
     <string name="disable_deprecated_warnings">غیرفعال‌کردن هشدارهای منسوخ</string>
+    <string name="cache_size">اندازه حافظه پنهان</string>
+    <string name="clear_cache">پاک‌سازی حافظه پنهان</string>
     <string name="notification_settings">اعلان‌ها</string>
     <string name="enable_notification">فعال‌کردن اعلان</string>
     <string name="dynamic_notification">نمایش سرعت بلادرنگ در اعلان</string>
@@ -279,6 +283,22 @@
     <string name="new_version_available">نسخه جدید موجود است: %s</string>
     <string name="auto_update">به‌روزرسانی خودکار</string>
     <string name="auto_update_description">دانلود و نصب خودکار به‌روزرسانی‌ها در پس‌زمینه</string>
+    <string name="update_source">منبع به‌روزرسانی</string>
+    <string name="update_source_github">GitHub</string>
+    <string name="update_source_fdroid">F-Droid</string>
+    <string name="fdroid_mirror">آینه F-Droid</string>
+    <string name="fdroid_mirror_test_all">انتخاب خودکار بر اساس تأخیر</string>
+    <string name="fdroid_mirror_testing">در حال تست…</string>
+    <string name="fdroid_mirror_latency">%d ms</string>
+    <string name="fdroid_mirror_failed">ناموفق</string>
+    <string name="fdroid_mirror_untested">—</string>
+    <string name="fdroid_mirror_add">افزودن آینه</string>
+    <string name="fdroid_mirror_name_hint">نام</string>
+    <string name="fdroid_mirror_url_hint">URL</string>
+    <string name="fdroid_mirror_custom">سفارشی</string>
+    <string name="fdroid_mirror_invalid_url">URL نامعتبر</string>
+    <string name="fdroid_mirror_add_action">افزودن</string>
+    <string name="fdroid_mirror_delete">حذف</string>
 
     <!-- Silent Install -->
     <string name="silent_install">نصب بی‌صدا</string>
@@ -406,6 +426,94 @@
     <string name="content_description_collapse_search">جمع کردن جستجو</string>
     <string name="content_description_search_logs">جستجوی لاگ‌ها</string>
 
+    <!-- Tools -->
+    <string name="title_tools">ابزارها</string>
+    <string name="title_network">شبکه</string>
+    <string name="network_quality">کیفیت شبکه</string>
+    <string name="network_quality_url">URL</string>
+    <string name="network_quality_serial">ترتیبی</string>
+    <string name="network_quality_http3">HTTP/3</string>
+    <string name="network_quality_max_runtime">حداکثر زمان اجرا</string>
+    <string name="network_quality_max_runtime_30s">30s</string>
+    <string name="network_quality_max_runtime_60s">60s</string>
+    <string name="network_quality_start">شروع تست</string>
+    <string name="network_quality_cancel">لغو تست</string>
+    <string name="network_quality_idle_latency">تأخیر بیکاری</string>
+    <string name="network_quality_download">دانلود</string>
+    <string name="network_quality_upload">آپلود</string>
+    <string name="network_quality_download_rpm">RPM دانلود</string>
+    <string name="network_quality_upload_rpm">RPM آپلود</string>
+    <string name="network_quality_confidence_high">اطمینان بالا</string>
+    <string name="network_quality_confidence_medium">اطمینان متوسط</string>
+    <string name="network_quality_confidence_low">اطمینان پایین</string>
+    <string name="network_quality_metered_title">اتصال محدود</string>
+    <string name="network_quality_metered_message">شما از اتصال محدود استفاده می‌کنید. این تست حجم قابل توجهی داده مصرف خواهد کرد.</string>
+    <string name="network_quality_metered_continue">ادامه</string>
+    <string name="tool_configuration">پیکربندی</string>
+    <string name="tool_results">نتایج</string>
+    <string name="tool_outbound">خروجی</string>
+    <string name="tool_default_outbound">پیش‌فرض</string>
+
+    <!-- STUN Test -->
+    <!-- Tailscale -->
+    <string name="tailscale_endpoints">نقاط اتصال</string>
+
+    <string name="tailscale_status">وضعیت</string>
+    <string name="tailscale_state">وضعیت</string>
+    <string name="tailscale_network">شبکه</string>
+    <string name="tailscale_open_auth_url">باز کردن لینک احراز هویت</string>
+    <string name="tailscale_open_auth_url_qr_code">نمایش QR کد لینک احراز هویت</string>
+    <string name="tailscale_this_device">این دستگاه</string>
+    <string name="tailscale_connected">متصل</string>
+    <string name="tailscale_not_connected">متصل نیست</string>
+    <string name="tailscale_addresses">آدرس‌های Tailscale</string>
+    <string name="tailscale_details">جزئیات</string>
+    <string name="tailscale_key_expiry">انقضای کلید</string>
+    <string name="tailscale_exit_node">گره خروجی</string>
+    <string name="tailscale_active">فعال</string>
+
+    <string name="stun_test">تست STUN</string>
+    <string name="stun_server">سرور</string>
+    <string name="stun_start">شروع تست</string>
+    <string name="stun_cancel">لغو تست</string>
+    <string name="stun_external_address">آدرس خارجی</string>
+    <string name="stun_latency">تأخیر</string>
+    <string name="stun_nat_mapping">نگاشت NAT</string>
+    <string name="stun_nat_filtering">فیلتر NAT</string>
+    <string name="stun_nat_type_detection">تشخیص نوع NAT</string>
+    <string name="stun_nat_not_supported">پشتیبانی نمی‌شود توسط سرور</string>
+
+    <!-- Shared Report -->
+    <string name="report_empty">خالی</string>
+    <string name="report_section_reports">گزارش‌ها</string>
+    <string name="report_section_files">فایل‌ها</string>
+    <string name="report_delete_all">حذف همه</string>
+    <string name="report_delete">حذف</string>
+    <string name="report_share">اشتراک‌گذاری</string>
+    <string name="report_share_with_config">اشتراک‌گذاری با پیکربندی</string>
+    <string name="report_metadata">فراداده</string>
+    <string name="report_configuration">پیکربندی</string>
+    <string name="report_origin_local">محلی</string>
+    <string name="service_not_started">سرویس شروع نشده است</string>
+    <string name="service_reload_required">برای اعمال تغییرات، بارگذاری مجدد سرویس لازم است</string>
+    <string name="service_restart_required">برای اعمال تغییرات، راه‌اندازی مجدد سرویس لازم است</string>
+
+    <!-- Crash Report -->
+    <string name="crash_report">گزارش خرابی</string>
+    <string name="crash_report_go_log">Go Crash Log</string>
+    <string name="crash_report_jvm_log">JVM Crash Log</string>
+    <string name="crash_report_description">هنگام بروز خرابی گزارشی دریافت خواهید کرد.</string>
+
+    <!-- OOM Report -->
+    <string name="oom_report">گزارش کمبود حافظه</string>
+    <string name="oom_report_description">هنگامی که محدودیت حافظه فعال است، در صورت تجاوز حافظه سرویس از حد مجاز، گزارشی دریافت خواهید کرد. همچنین می‌توانید جمع‌آوری گزارش را به صورت دستی فعال کنید.</string>
+    <string name="oom_report_fetch">دریافت گزارش حافظه</string>
+    <string name="oom_report_enable_memory_limit">فعال‌سازی محدودیت حافظه</string>
+    <string name="oom_report_enable_memory_limit_description">یک محدودیت نرم حافظه برای سرویس تعیین کنید. سرویس چندین فرآیند را انجام خواهد داد تا سعی کند در محدوده این محدودیت حافظه باقی بماند.</string>
+    <string name="oom_report_memory_limit">محدودیت حافظه</string>
+    <string name="oom_report_kill_connections">قطع اتصالات</string>
+    <string name="oom_report_kill_connections_description">هنگام تجاوز حافظه سرویس از حد مجاز، تمام اتصالات را برای آزادسازی حافظه قطع کنید.</string>
+
     <!-- Xposed Module -->
     <string name="xposed_description">بهبود دسترسی ویژه برای sing-box</string>
 

app/src/main/res/values-ru-rRU/strings.xml

@@ -23,6 +23,8 @@
     <string name="action">Действие</string>
     <string name="action_start">Начать</string>
     <string name="action_deselect">Отменить выбор</string>
+    <string name="action_reload">Перезагрузить</string>
+    <string name="action_restart">Перезапустить</string>
     <string name="expand">Развернуть</string>
     <string name="collapse">Свернуть</string>
     <string name="expand_all">Развернуть все</string>
@@ -200,6 +202,8 @@
     <string name="working_directory">Рабочая директория</string>
     <string name="beta_settings">Бета-настройки</string>
     <string name="disable_deprecated_warnings">Отключить предупреждения об устаревании</string>
+    <string name="cache_size">Размер кэша</string>
+    <string name="clear_cache">Очистить кэш</string>
     <string name="notification_settings">Уведомления</string>
     <string name="enable_notification">Включить уведомления</string>
     <string name="dynamic_notification">Отображать скорость в реальном времени в уведомлении</string>
@@ -279,6 +283,22 @@
     <string name="new_version_available">Доступна новая версия: %s</string>
     <string name="auto_update">Автообновление</string>
     <string name="auto_update_description">Автоматически загружать и устанавливать обновления в фоне</string>
+    <string name="update_source">Источник обновлений</string>
+    <string name="update_source_github">GitHub</string>
+    <string name="update_source_fdroid">F-Droid</string>
+    <string name="fdroid_mirror">Зеркало F-Droid</string>
+    <string name="fdroid_mirror_test_all">Автовыбор по задержке</string>
+    <string name="fdroid_mirror_testing">Тестирование…</string>
+    <string name="fdroid_mirror_latency">%d мс</string>
+    <string name="fdroid_mirror_failed">Ошибка</string>
+    <string name="fdroid_mirror_untested">—</string>
+    <string name="fdroid_mirror_add">Добавить зеркало</string>
+    <string name="fdroid_mirror_name_hint">Имя</string>
+    <string name="fdroid_mirror_url_hint">URL</string>
+    <string name="fdroid_mirror_custom">Пользовательское</string>
+    <string name="fdroid_mirror_invalid_url">Недопустимый URL</string>
+    <string name="fdroid_mirror_add_action">Добавить</string>
+    <string name="fdroid_mirror_delete">Удалить</string>
 
     <!-- Silent Install -->
     <string name="silent_install">Тихая установка</string>
@@ -412,6 +432,94 @@
     <string name="content_description_collapse_search">Свернуть поиск</string>
     <string name="content_description_search_logs">Поиск в логе</string>
     
+    <!-- Tools -->
+    <string name="title_tools">Инструменты</string>
+    <string name="title_network">Сеть</string>
+    <string name="network_quality">Качество сети</string>
+    <string name="network_quality_url">URL</string>
+    <string name="network_quality_serial">Последовательно</string>
+    <string name="network_quality_http3">HTTP/3</string>
+    <string name="network_quality_max_runtime">Макс. время</string>
+    <string name="network_quality_max_runtime_30s">30s</string>
+    <string name="network_quality_max_runtime_60s">60s</string>
+    <string name="network_quality_start">Начать тест</string>
+    <string name="network_quality_cancel">Остановить тест</string>
+    <string name="network_quality_idle_latency">Задержка в простое</string>
+    <string name="network_quality_download">Загрузка</string>
+    <string name="network_quality_upload">Отправка</string>
+    <string name="network_quality_download_rpm">Загрузка RPM</string>
+    <string name="network_quality_upload_rpm">Отправка RPM</string>
+    <string name="network_quality_confidence_high">Высокая уверенность</string>
+    <string name="network_quality_confidence_medium">Средняя уверенность</string>
+    <string name="network_quality_confidence_low">Низкая уверенность</string>
+    <string name="network_quality_metered_title">Лимитное подключение</string>
+    <string name="network_quality_metered_message">Вы используете лимитное подключение. Этот тест потребует значительного объёма трафика.</string>
+    <string name="network_quality_metered_continue">Продолжить</string>
+    <string name="tool_configuration">Конфигурация</string>
+    <string name="tool_results">Результаты</string>
+    <string name="tool_outbound">Исходящий</string>
+    <string name="tool_default_outbound">По умолчанию</string>
+
+    <!-- STUN Test -->
+    <!-- Tailscale -->
+    <string name="tailscale_endpoints">Точки подключения</string>
+
+    <string name="tailscale_status">Статус</string>
+    <string name="tailscale_state">Состояние</string>
+    <string name="tailscale_network">Сеть</string>
+    <string name="tailscale_open_auth_url">Открыть URL авторизации</string>
+    <string name="tailscale_open_auth_url_qr_code">Показать QR-код авторизации</string>
+    <string name="tailscale_this_device">Это устройство</string>
+    <string name="tailscale_connected">Подключено</string>
+    <string name="tailscale_not_connected">Не подключено</string>
+    <string name="tailscale_addresses">Адреса Tailscale</string>
+    <string name="tailscale_details">Подробности</string>
+    <string name="tailscale_key_expiry">Срок действия ключа</string>
+    <string name="tailscale_exit_node">Выходной узел</string>
+    <string name="tailscale_active">Активен</string>
+
+    <string name="stun_test">STUN-тест</string>
+    <string name="stun_server">Сервер</string>
+    <string name="stun_start">Начать тест</string>
+    <string name="stun_cancel">Остановить тест</string>
+    <string name="stun_external_address">Внешний адрес</string>
+    <string name="stun_latency">Задержка</string>
+    <string name="stun_nat_mapping">NAT-отображение</string>
+    <string name="stun_nat_filtering">NAT-фильтрация</string>
+    <string name="stun_nat_type_detection">Определение типа NAT</string>
+    <string name="stun_nat_not_supported">Не поддерживается сервером</string>
+
+    <!-- Shared Report -->
+    <string name="report_empty">Пусто</string>
+    <string name="report_section_reports">Отчёты</string>
+    <string name="report_section_files">Файлы</string>
+    <string name="report_delete_all">Удалить все</string>
+    <string name="report_delete">Удалить</string>
+    <string name="report_share">Поделиться</string>
+    <string name="report_share_with_config">Поделиться с конфигурацией</string>
+    <string name="report_metadata">Метаданные</string>
+    <string name="report_configuration">Конфигурация</string>
+    <string name="report_origin_local">Локальный</string>
+    <string name="service_not_started">Служба не запущена</string>
+    <string name="service_reload_required">Для применения изменений необходимо перезагрузить сервис</string>
+    <string name="service_restart_required">Для применения изменений необходимо перезапустить сервис</string>
+
+    <!-- Crash Report -->
+    <string name="crash_report">Отчёт о сбое</string>
+    <string name="crash_report_go_log">Go Crash Log</string>
+    <string name="crash_report_jvm_log">JVM Crash Log</string>
+    <string name="crash_report_description">Вы получите отчёт при возникновении сбоя.</string>
+
+    <!-- OOM Report -->
+    <string name="oom_report">Отчёт о нехватке памяти</string>
+    <string name="oom_report_description">При включённом ограничении памяти вы получите отчёт, если память сервиса превысит лимит. Вы также можете вручную запросить сбор отчёта.</string>
+    <string name="oom_report_fetch">Получить отчёт о памяти</string>
+    <string name="oom_report_enable_memory_limit">Включить ограничение памяти</string>
+    <string name="oom_report_enable_memory_limit_description">Задайте мягкое ограничение памяти для сервиса. Сервис будет выполнять различные процессы, чтобы оставаться в пределах этого ограничения.</string>
+    <string name="oom_report_memory_limit">Ограничение памяти</string>
+    <string name="oom_report_kill_connections">Завершить соединения</string>
+    <string name="oom_report_kill_connections_description">Завершить все соединения для освобождения памяти при превышении лимита памяти сервиса.</string>
+
     <!-- Xposed Module -->
     <string name="xposed_description">Привилегированное расширение для sing-box</string>
 

app/src/main/res/values-zh-rCN/strings.xml

@@ -23,6 +23,8 @@
     <string name="action">操作</string>
     <string name="action_start">启动</string>
     <string name="action_deselect">取消选择</string>
+    <string name="action_reload">重载</string>
+    <string name="action_restart">重启</string>
     <string name="expand">展开</string>
     <string name="collapse">收起</string>
     <string name="expand_all">全部展开</string>
@@ -66,7 +68,7 @@
     <string name="status_started">已启动</string>
 
     <!-- Dashboard -->
-    <string name="dashboard_items">仪表项目</string>
+    <string name="dashboard_items">仪表项</string>
     <string name="memory">内存</string>
     <string name="goroutines">协程</string>
     <string name="upload">上传</string>
@@ -86,7 +88,7 @@
     <string name="search_connections">搜索连接…</string>
     <string name="close_connections_confirm">关闭所有连接？</string>
     <string name="connection_state_all">全部</string>
-    <string name="connection_state_active">活跃</string>
+    <string name="connection_state_active">活动</string>
     <string name="connection_state_closed">已关闭</string>
     <string name="connection_sort_date">日期</string>
     <string name="connection_sort_traffic">流量</string>
@@ -421,6 +423,94 @@
     <string name="content_description_collapse_search">折叠搜索</string>
     <string name="content_description_search_logs">搜索日志</string>
 
+    <!-- Tools -->
+    <string name="title_tools">工具</string>
+    <string name="title_network">网络</string>
+    <string name="network_quality">网络质量</string>
+    <string name="network_quality_url">URL</string>
+    <string name="network_quality_serial">串行</string>
+    <string name="network_quality_http3">HTTP/3</string>
+    <string name="network_quality_max_runtime">最大运行时间</string>
+    <string name="network_quality_max_runtime_30s">30s</string>
+    <string name="network_quality_max_runtime_60s">60s</string>
+    <string name="network_quality_start">开始测试</string>
+    <string name="network_quality_cancel">取消测试</string>
+    <string name="network_quality_idle_latency">空闲延迟</string>
+    <string name="network_quality_download">下载</string>
+    <string name="network_quality_upload">上传</string>
+    <string name="network_quality_download_rpm">下载 RPM</string>
+    <string name="network_quality_upload_rpm">上传 RPM</string>
+    <string name="network_quality_confidence_high">置信度高</string>
+    <string name="network_quality_confidence_medium">置信度中</string>
+    <string name="network_quality_confidence_low">置信度低</string>
+    <string name="network_quality_metered_title">按流量计费连接</string>
+    <string name="network_quality_metered_message">您正在使用按流量计费的连接。此测试将消耗大量数据。</string>
+    <string name="network_quality_metered_continue">继续</string>
+    <string name="tool_configuration">配置</string>
+    <string name="tool_results">结果</string>
+    <string name="tool_outbound">出站</string>
+    <string name="tool_default_outbound">默认</string>
+
+    <!-- STUN Test -->
+    <!-- Tailscale -->
+    <string name="tailscale_endpoints">端点</string>
+
+    <string name="tailscale_status">状态</string>
+    <string name="tailscale_state">状态</string>
+    <string name="tailscale_network">网络</string>
+    <string name="tailscale_open_auth_url">打开认证链接</string>
+    <string name="tailscale_open_auth_url_qr_code">显示认证链接二维码</string>
+    <string name="tailscale_this_device">此设备</string>
+    <string name="tailscale_connected">已连接</string>
+    <string name="tailscale_not_connected">未连接</string>
+    <string name="tailscale_addresses">Tailscale 地址</string>
+    <string name="tailscale_details">详情</string>
+    <string name="tailscale_key_expiry">密钥过期</string>
+    <string name="tailscale_exit_node">出口节点</string>
+    <string name="tailscale_active">活跃</string>
+
+    <string name="stun_test">STUN 测试</string>
+    <string name="stun_server">服务器</string>
+    <string name="stun_start">开始测试</string>
+    <string name="stun_cancel">取消测试</string>
+    <string name="stun_external_address">外部地址</string>
+    <string name="stun_latency">延迟</string>
+    <string name="stun_nat_mapping">NAT 映射</string>
+    <string name="stun_nat_filtering">NAT 过滤</string>
+    <string name="stun_nat_type_detection">NAT 类型检测</string>
+    <string name="stun_nat_not_supported">服务器不支持</string>
+
+    <!-- Shared Report -->
+    <string name="report_empty">空</string>
+    <string name="report_section_reports">报告</string>
+    <string name="report_section_files">文件</string>
+    <string name="report_delete_all">全部删除</string>
+    <string name="report_delete">删除</string>
+    <string name="report_share">分享</string>
+    <string name="report_share_with_config">附带配置分享</string>
+    <string name="report_metadata">元数据</string>
+    <string name="report_configuration">配置</string>
+    <string name="report_origin_local">本地</string>
+    <string name="service_not_started">服务未启动</string>
+    <string name="service_reload_required">需要重载服务以应用更改</string>
+    <string name="service_restart_required">需要重启服务以应用更改</string>
+
+    <!-- Crash Report -->
+    <string name="crash_report">崩溃报告</string>
+    <string name="crash_report_go_log">Go Crash Log</string>
+    <string name="crash_report_jvm_log">JVM Crash Log</string>
+    <string name="crash_report_description">当遇到崩溃时，您将会收到报告。</string>
+
+    <!-- OOM Report -->
+    <string name="oom_report">内存不足报告</string>
+    <string name="oom_report_description">启用内存限制后，当服务内存超出限制时，您将会收到报告。您也可以手动触发收集报告。</string>
+    <string name="oom_report_fetch">获取内存报告</string>
+    <string name="oom_report_enable_memory_limit">启用内存限制</string>
+    <string name="oom_report_enable_memory_limit_description">为服务提供软内存限制。服务将执行多个进程以尝试保持在此内存限制范围内。</string>
+    <string name="oom_report_memory_limit">内存限制</string>
+    <string name="oom_report_kill_connections">终止连接</string>
+    <string name="oom_report_kill_connections_description">当服务内存超出限制时，终止所有连接以释放内存。</string>
+
     <!-- Xposed Module -->
     <string name="xposed_description">sing-box 的特权增强</string>
     <!-- Privileged Enhancement -->

app/src/main/res/values-zh-rTW/strings.xml

@@ -23,6 +23,8 @@
     <string name="action">操作</string>
     <string name="action_start">啟動</string>
     <string name="action_deselect">取消選擇</string>
+    <string name="action_reload">重新載入</string>
+    <string name="action_restart">重新啟動</string>
     <string name="expand">展開</string>
     <string name="collapse">收合</string>
     <string name="expand_all">全部展開</string>
@@ -45,7 +47,7 @@
     <string name="default_text">預設</string>
 
     <!-- Navigation Titles -->
-    <string name="title_dashboard">儀表板</string>
+    <string name="title_dashboard">儀表</string>
     <string name="title_configuration">設定檔</string>
     <string name="title_log">日誌</string>
     <string name="title_settings">設定</string>
@@ -66,7 +68,7 @@
     <string name="status_started">已啟動</string>
 
     <!-- Dashboard -->
-    <string name="dashboard_items">儀表板項目</string>
+    <string name="dashboard_items">儀表項</string>
     <string name="memory">記憶體</string>
     <string name="goroutines">協程</string>
     <string name="upload">上傳</string>
@@ -86,7 +88,7 @@
     <string name="search_connections">搜尋連線…</string>
     <string name="close_connections_confirm">關閉所有連線？</string>
     <string name="connection_state_all">全部</string>
-    <string name="connection_state_active">活躍</string>
+    <string name="connection_state_active">活動</string>
     <string name="connection_state_closed">已關閉</string>
     <string name="connection_sort_date">日期</string>
     <string name="connection_sort_traffic">流量</string>
@@ -424,6 +426,94 @@
     <string name="content_description_collapse_search">收合搜尋</string>
     <string name="content_description_search_logs">搜尋日誌</string>
 
+    <!-- Tools -->
+    <string name="title_tools">工具</string>
+    <string name="title_network">網路</string>
+    <string name="network_quality">網路品質</string>
+    <string name="network_quality_url">URL</string>
+    <string name="network_quality_serial">序列</string>
+    <string name="network_quality_http3">HTTP/3</string>
+    <string name="network_quality_max_runtime">最大執行時間</string>
+    <string name="network_quality_max_runtime_30s">30s</string>
+    <string name="network_quality_max_runtime_60s">60s</string>
+    <string name="network_quality_start">開始測試</string>
+    <string name="network_quality_cancel">取消測試</string>
+    <string name="network_quality_idle_latency">閒置延遲</string>
+    <string name="network_quality_download">下載</string>
+    <string name="network_quality_upload">上傳</string>
+    <string name="network_quality_download_rpm">下載 RPM</string>
+    <string name="network_quality_upload_rpm">上傳 RPM</string>
+    <string name="network_quality_confidence_high">置信度高</string>
+    <string name="network_quality_confidence_medium">置信度中</string>
+    <string name="network_quality_confidence_low">置信度低</string>
+    <string name="network_quality_metered_title">按流量計費連線</string>
+    <string name="network_quality_metered_message">您正在使用按流量計費的連線。此測試將消耗大量數據。</string>
+    <string name="network_quality_metered_continue">繼續</string>
+    <string name="tool_configuration">配置</string>
+    <string name="tool_results">結果</string>
+    <string name="tool_outbound">出站</string>
+    <string name="tool_default_outbound">默認</string>
+
+    <!-- STUN Test -->
+    <!-- Tailscale -->
+    <string name="tailscale_endpoints">端點</string>
+
+    <string name="tailscale_status">狀態</string>
+    <string name="tailscale_state">狀態</string>
+    <string name="tailscale_network">網路</string>
+    <string name="tailscale_open_auth_url">開啟認證連結</string>
+    <string name="tailscale_open_auth_url_qr_code">顯示認證連結 QR 碼</string>
+    <string name="tailscale_this_device">此裝置</string>
+    <string name="tailscale_connected">已連線</string>
+    <string name="tailscale_not_connected">未連線</string>
+    <string name="tailscale_addresses">Tailscale 位址</string>
+    <string name="tailscale_details">詳情</string>
+    <string name="tailscale_key_expiry">金鑰到期</string>
+    <string name="tailscale_exit_node">出口節點</string>
+    <string name="tailscale_active">活躍</string>
+
+    <string name="stun_test">STUN 測試</string>
+    <string name="stun_server">伺服器</string>
+    <string name="stun_start">開始測試</string>
+    <string name="stun_cancel">取消測試</string>
+    <string name="stun_external_address">外部地址</string>
+    <string name="stun_latency">延遲</string>
+    <string name="stun_nat_mapping">NAT 映射</string>
+    <string name="stun_nat_filtering">NAT 過濾</string>
+    <string name="stun_nat_type_detection">NAT 類型偵測</string>
+    <string name="stun_nat_not_supported">伺服器不支援</string>
+
+    <!-- Shared Report -->
+    <string name="report_empty">空</string>
+    <string name="report_section_reports">報告</string>
+    <string name="report_section_files">檔案</string>
+    <string name="report_delete_all">全部刪除</string>
+    <string name="report_delete">刪除</string>
+    <string name="report_share">分享</string>
+    <string name="report_share_with_config">附帶配置分享</string>
+    <string name="report_metadata">元數據</string>
+    <string name="report_configuration">配置</string>
+    <string name="report_origin_local">本地</string>
+    <string name="service_not_started">服務未啟動</string>
+    <string name="service_reload_required">需要重新載入服務以套用變更</string>
+    <string name="service_restart_required">需要重新啟動服務以套用變更</string>
+
+    <!-- Crash Report -->
+    <string name="crash_report">當機報告</string>
+    <string name="crash_report_go_log">Go Crash Log</string>
+    <string name="crash_report_jvm_log">JVM Crash Log</string>
+    <string name="crash_report_description">當發生當機時，您將會收到報告。</string>
+
+    <!-- OOM Report -->
+    <string name="oom_report">記憶體不足報告</string>
+    <string name="oom_report_description">啟用記憶體限制後，當服務記憶體超出限制時，您將會收到報告。您也可以手動觸發收集報告。</string>
+    <string name="oom_report_fetch">取得記憶體報告</string>
+    <string name="oom_report_enable_memory_limit">啟用記憶體限制</string>
+    <string name="oom_report_enable_memory_limit_description">為服務提供軟記憶體限制。服務將執行多個程序以嘗試保持在此記憶體限制範圍內。</string>
+    <string name="oom_report_memory_limit">記憶體限制</string>
+    <string name="oom_report_kill_connections">終止連線</string>
+    <string name="oom_report_kill_connections_description">當服務記憶體超出限制時，終止所有連線以釋放記憶體。</string>
+
     <!-- Xposed Module -->
     <string name="xposed_description">sing-box 的特權強化</string>
     <!-- Privileged Enhancement -->

app/src/main/res/values/strings.xml

@@ -23,6 +23,8 @@
     <string name="action">Action</string>
     <string name="action_start">Start</string>
     <string name="action_deselect">Deselect</string>
+    <string name="action_reload">Reload</string>
+    <string name="action_restart">Restart</string>
     <string name="expand">Expand</string>
     <string name="collapse">Collapse</string>
     <string name="expand_all">Expand All</string>
@@ -424,6 +426,105 @@
     <string name="content_description_collapse_search">Collapse search</string>
     <string name="content_description_search_logs">Search logs</string>
 
+    <!-- Tools -->
+    <string name="title_tools">Tools</string>
+    <string name="title_network">Network</string>
+    <string name="network_quality">Network Quality</string>
+    <string name="network_quality_url">URL</string>
+    <string name="network_quality_serial">Serial</string>
+    <string name="network_quality_http3">HTTP/3</string>
+    <string name="network_quality_max_runtime">Max Runtime</string>
+    <string name="network_quality_max_runtime_30s">30s</string>
+    <string name="network_quality_max_runtime_60s">60s</string>
+    <string name="network_quality_start">Start Test</string>
+    <string name="network_quality_cancel">Cancel Test</string>
+    <string name="network_quality_idle_latency">Idle Latency</string>
+    <string name="network_quality_download">Download</string>
+    <string name="network_quality_upload">Upload</string>
+    <string name="network_quality_download_rpm">Download RPM</string>
+    <string name="network_quality_upload_rpm">Upload RPM</string>
+    <string name="network_quality_confidence_high">Confidence High</string>
+    <string name="network_quality_confidence_medium">Confidence Medium</string>
+    <string name="network_quality_confidence_low">Confidence Low</string>
+    <string name="network_quality_metered_title">Metered Connection</string>
+    <string name="network_quality_metered_message">You\'re on a metered connection. This test will use a significant amount of data.</string>
+    <string name="network_quality_metered_continue">Continue</string>
+    <string name="tool_configuration">Configuration</string>
+    <string name="tool_results">Results</string>
+    <string name="tool_outbound">Outbound</string>
+    <string name="tool_default_outbound">Default</string>
+
+    <!-- Tailscale -->
+    <string name="tailscale" translatable="false">Tailscale</string>
+    <string name="tailscale_with_tag" translatable="false">Tailscale: %s</string>
+    <string name="tailscale_endpoints">Endpoints</string>
+
+    <string name="tailscale_status">Status</string>
+    <string name="tailscale_state">State</string>
+    <string name="tailscale_network">Network</string>
+    <string name="tailscale_magic_dns" translatable="false">MagicDNS</string>
+    <string name="tailscale_open_auth_url">Open Auth URL</string>
+    <string name="tailscale_open_auth_url_qr_code">Show Auth URL QR Code</string>
+    <string name="tailscale_this_device">This Device</string>
+    <string name="tailscale_connected">Connected</string>
+    <string name="tailscale_not_connected">Not Connected</string>
+    <string name="tailscale_addresses">Tailscale Addresses</string>
+    <string name="tailscale_details">Details</string>
+    <string name="tailscale_key_expiry">Key Expiry</string>
+    <string name="tailscale_os" translatable="false">OS</string>
+    <string name="tailscale_exit_node">Exit Node</string>
+    <string name="tailscale_active">Active</string>
+    <string name="tailscale_ipv4" translatable="false">IPv4</string>
+    <string name="tailscale_ipv6" translatable="false">IPv6</string>
+    <string name="tailscale_ping">Ping</string>
+    <string name="tailscale_ping_start">Start</string>
+    <string name="tailscale_ping_stop">Stop</string>
+    <string name="tailscale_ping_direct">Direct connection</string>
+    <string name="tailscale_ping_derp">DERP-relayed connection</string>
+
+    <!-- STUN Test -->
+    <string name="stun_test">STUN Test</string>
+    <string name="stun_server">Server</string>
+    <string name="stun_start">Start Test</string>
+    <string name="stun_cancel">Cancel Test</string>
+    <string name="stun_external_address">External Address</string>
+    <string name="stun_latency">Latency</string>
+    <string name="stun_nat_mapping">NAT Mapping</string>
+    <string name="stun_nat_filtering">NAT Filtering</string>
+    <string name="stun_nat_type_detection">NAT Type Detection</string>
+    <string name="stun_nat_not_supported">Not supported by server</string>
+
+    <!-- Shared Report -->
+    <string name="report_empty">Empty</string>
+    <string name="report_section_reports">Reports</string>
+    <string name="report_section_files">Files</string>
+    <string name="report_delete_all">Delete All</string>
+    <string name="report_delete">Delete</string>
+    <string name="report_share">Share</string>
+    <string name="report_share_with_config">Share With Configuration</string>
+    <string name="report_metadata">Metadata</string>
+    <string name="report_configuration">Configuration</string>
+    <string name="report_origin_local">Local</string>
+    <string name="service_not_started">Service not started</string>
+    <string name="service_reload_required">Reload service to apply changes</string>
+    <string name="service_restart_required">Restart service to apply changes</string>
+
+    <!-- Crash Report -->
+    <string name="crash_report">Crash Report</string>
+    <string name="crash_report_go_log">Go Crash Log</string>
+    <string name="crash_report_jvm_log">JVM Crash Log</string>
+    <string name="crash_report_description">You will receive a report when a crash occurs.</string>
+
+    <!-- OOM Report -->
+    <string name="oom_report">OOM Report</string>
+    <string name="oom_report_description">When memory limit is enabled, you will receive a report if the service memory exceeds the limit. You can also manually trigger report collection.</string>
+    <string name="oom_report_fetch">Fetch Memory Report</string>
+    <string name="oom_report_enable_memory_limit">Enable Memory Limit</string>
+    <string name="oom_report_enable_memory_limit_description">Provide a soft memory limit for the service. The service will perform multiple processes to try to stay within this memory limit.</string>
+    <string name="oom_report_memory_limit">Memory Limit</string>
+    <string name="oom_report_kill_connections">Kill Connections</string>
+    <string name="oom_report_kill_connections_description">Kill all connections to free memory when the service memory exceeds the limit.</string>
+
     <!-- Xposed Module -->
     <string name="xposed_description">Privileged Enhancement for sing-box</string>
 

gradle.properties

@@ -6,7 +6,7 @@
 # http://www.gradle.org/docs/current/userguide/build_environment.html
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
-org.gradle.jvmargs=-Xmx4096m -Dfile.encoding=UTF-8
+org.gradle.jvmargs=-Xmx8192m -Dfile.encoding=UTF-8
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects

version.properties

@@ -1,5 +1,4 @@
-VERSION_CODE=662
-VERSION_NAME=1.13.11
-GO_VERSION=go1.25.9
-
+VERSION_CODE=627
+VERSION_NAME=1.13.0-rc.7
+GO_VERSION=go1.25.7