Add screenshot generator

UITests/SnapshotTests.swift

@@ -0,0 +1,74 @@
+import XCTest
+
+@MainActor
+final class SnapshotTests: XCTestCase {
+    let app = XCUIApplication()
+
+    override func setUpWithError() throws {
+        continueAfterFailure = false
+        setupSnapshot(app)
+        app.launch()
+    }
+
+    func test01Dashboard() throws {
+        #if os(macOS)
+            if app.outlines.staticTexts["Dashboard"].exists {
+                app.outlines.staticTexts["Dashboard"].click()
+            }
+        #endif
+        sleep(1)
+        snapshot("01_Dashboard")
+    }
+
+    func test02Logs() throws {
+        #if os(iOS)
+            if app.tabBars.buttons["Logs"].exists {
+                app.tabBars.buttons["Logs"].firstMatch.tap()
+            } else if app.buttons["Logs"].exists {
+                app.buttons["Logs"].firstMatch.tap()
+            }
+        #elseif os(macOS)
+            if app.outlines.staticTexts["Logs"].exists {
+                app.outlines.staticTexts["Logs"].click()
+            }
+        #elseif os(tvOS)
+            let remote = XCUIRemote.shared
+            for _ in 0 ..< 3 {
+                remote.press(.down)
+                usleep(300_000)
+            }
+            if app.cells["Logs"].exists {
+                app.cells["Logs"].tap()
+            } else {
+                remote.press(.select)
+            }
+        #endif
+        sleep(1)
+        snapshot("02_Logs")
+    }
+
+    func test03Settings() throws {
+        #if os(iOS)
+            if app.tabBars.buttons["Settings"].exists {
+                app.tabBars.buttons["Settings"].firstMatch.tap()
+            } else if app.buttons["Settings"].exists {
+                app.buttons["Settings"].firstMatch.tap()
+            }
+        #elseif os(macOS)
+            if app.outlines.staticTexts["Settings"].exists {
+                app.outlines.staticTexts["Settings"].click()
+            }
+        #elseif os(tvOS)
+            let remote = XCUIRemote.shared
+            remote.press(.down)
+            usleep(300_000)
+            if app.cells["Settings"].exists {
+                app.cells["Settings"].tap()
+            } else {
+                remote.press(.select)
+            }
+        #endif
+        sleep(1)
+        snapshot("03_Settings")
+    }
+}

UITests/UITests.swift

@@ -0,0 +1,40 @@
+//
+//  UITests.swift
+//  UITests
+//
+//  Created by sekai on 2026-01-06 15:19.
+//
+
+import XCTest
+
+final class UITests: XCTestCase {
+    override func setUpWithError() throws {
+        // Put setup code here. This method is called before the invocation of each test method in the class.
+
+        // In UI tests it is usually best to stop immediately when a failure occurs.
+        continueAfterFailure = false
+
+        // In UI tests it’s important to set the initial state - such as interface orientation - required for your tests before they run. The setUp method is a good place to do this.
+    }
+
+    override func tearDownWithError() throws {
+        // Put teardown code here. This method is called after the invocation of each test method in the class.
+    }
+
+    @MainActor
+    func testExample() throws {
+        // UI tests must launch the application that they test.
+        let app = XCUIApplication()
+        app.launch()
+
+        // Use XCTAssert and related functions to verify your tests produce the correct results.
+    }
+
+    @MainActor
+    func testLaunchPerformance() throws {
+        // This measures how long it takes to launch your application.
+        measure(metrics: [XCTApplicationLaunchMetric()]) {
+            XCUIApplication().launch()
+        }
+    }
+}

UITests/UITestsLaunchTests.swift

@@ -0,0 +1,32 @@
+//
+//  UITestsLaunchTests.swift
+//  UITests
+//
+//  Created by sekai on 2026-01-06 15:19.
+//
+
+import XCTest
+
+final class UITestsLaunchTests: XCTestCase {
+    override class var runsForEachTargetApplicationUIConfiguration: Bool {
+        true
+    }
+
+    override func setUpWithError() throws {
+        continueAfterFailure = false
+    }
+
+    @MainActor
+    func testLaunch() throws {
+        let app = XCUIApplication()
+        app.launch()
+
+        // Insert steps here to perform after app launch but before taking a screenshot,
+        // such as logging into a test account or navigating somewhere in the app
+
+        let attachment = XCTAttachment(screenshot: app.screenshot())
+        attachment.name = "Launch Screen"
+        attachment.lifetime = .keepAlways
+        add(attachment)
+    }
+}