Add preview support

ApplicationLibrary/Views/Log/LogClient.swift

@@ -27,14 +27,26 @@ public class LogClient: ObservableObject {
     }
 
     public func reconnect() {
-        if isConnected {
-            return
-        }
-        if let connectTask {
-            connectTask.cancel()
-        }
-        connectTask = Task.detached {
-            await self.connect()
+        if ApplicationLibrary.inPreview {
+            logList = [
+                "(packet-tunnel) log server started",
+                "INFO[0000] router: loaded geoip database: 250 codes",
+                "INFO[0000] router: loaded geosite database: 1400 codes",
+                "INFO[0000] router: updated default interface en0, index 11",
+                "inbound/tun[0]: started at utun3",
+                "sing-box started (1.666s)",
+            ]
+            isConnected = true
+        } else {
+            if isConnected {
+                return
+            }
+            if let connectTask {
+                connectTask.cancel()
+            }
+            connectTask = Task.detached {
+                await self.connect()
+            }
         }
     }
 

ApplicationLibrary/Views/Log/LogView.swift

@@ -61,11 +61,15 @@ public struct LogView: View {
         }
 
         private func connectLog() {
-            guard let profile = extensionProfile.wrappedValue else {
-                return
-            }
-            if profile.status.isConnected, !logClient.isConnected {
+            if ApplicationLibrary.inPreview {
                 logClient.reconnect()
+            } else {
+                guard let profile = extensionProfile.wrappedValue else {
+                    return
+                }
+                if profile.status.isConnected, !logClient.isConnected {
+                    logClient.reconnect()
+                }
             }
         }
     }