feat: refine AI navigation and accessibility recovery

frontend/android/app/src/main/AndroidManifest.xml

@@ -57,34 +57,34 @@
             android:process=":recognition"
             android:stopWithTask="false"/>
 
-        <service
-            android:name=".ScreenshotTileService"
-            android:exported="true"
-            android:icon="@mipmap/ic_launcher"
-            android:label="@string/screenshot_tile_label"
-            android:process=":recognition"
-            android:permission="android.permission.BIND_QUICK_SETTINGS_TILE">
+        <service
+            android:name=".ScreenshotTileService"
+            android:exported="true"
+            android:icon="@mipmap/ic_launcher"
+            android:label="@string/screenshot_tile_label"
+            android:stopWithTask="false"
+            android:permission="android.permission.BIND_QUICK_SETTINGS_TILE">
             <intent-filter>
                 <action android:name="android.service.quicksettings.action.QS_TILE"/>
             </intent-filter>
         </service>
 
         <service
-            android:name=".PaymentNotificationListenerService"
-            android:exported="true"
-            android:label="@string/notification_listener_label"
-            android:process=":recognition"
-            android:permission="android.permission.BIND_NOTIFICATION_LISTENER_SERVICE">
+            android:name=".PaymentNotificationListenerService"
+            android:exported="true"
+            android:label="@string/notification_listener_label"
+            android:stopWithTask="false"
+            android:permission="android.permission.BIND_NOTIFICATION_LISTENER_SERVICE">
             <intent-filter>
                 <action android:name="android.service.notification.NotificationListenerService"/>
             </intent-filter>
         </service>
 
-        <service
-            android:name=".ScreenshotAccessibilityService"
-            android:exported="true"
-            android:process=":recognition"
-            android:permission="android.permission.BIND_ACCESSIBILITY_SERVICE">
+        <service
+            android:name=".ScreenshotAccessibilityService"
+            android:exported="true"
+            android:stopWithTask="false"
+            android:permission="android.permission.BIND_ACCESSIBILITY_SERVICE">
             <intent-filter>
                 <action android:name="android.accessibilityservice.AccessibilityService"/>
             </intent-filter>
@@ -95,10 +95,9 @@
 
         <provider
             android:name=".RecognitionBridgeProvider"
-            android:authorities="${applicationId}.recognition.bridge"
-            android:exported="false"
-            android:grantUriPermissions="false"
-            android:process=":recognition"/>
+            android:authorities="${applicationId}.recognition.bridge"
+            android:exported="false"
+            android:grantUriPermissions="false"/>
 
         <meta-data
             android:name="flutterEmbedding"

frontend/android/app/src/main/kotlin/com/nx/miaoji/MainActivity.kt

@@ -778,8 +778,8 @@ class MainActivity : FlutterActivity() {
             },
         )
     }
-    private fun recognitionStatus(): Map<String, Any?> {
-        val response = RecognitionBridge.call(
+    private fun recognitionStatus(): Map<String, Any?> {
+        val response = RecognitionBridge.call(
             this,
             RecognitionBridgeProvider.METHOD_STATUS,
         )
@@ -787,13 +787,27 @@ class MainActivity : FlutterActivity() {
             contentResolver,
             "enabled_notification_listeners",
         ).orEmpty()
-        val notificationAuthorized = enabledListeners
+        val notificationAuthorized = enabledListeners
             .split(':')
             .mapNotNull(ComponentName::unflattenFromString)
-            .any { it == ComponentName(this, PaymentNotificationListenerService::class.java) }
-        return mapOf(
-            "accessibilityAuthorized" to isAccessibilityEnabledInSystem(),
-            "accessibilityConnected" to (response?.getBoolean("accessibilityConnected") == true),
+            .any { it == ComponentName(this, PaymentNotificationListenerService::class.java) }
+        val accessibilityAuthorized = isAccessibilityEnabledInSystem()
+        val accessibilityConnected = response?.getBoolean("accessibilityConnected") == true
+        val recognitionProcessStartedAt = response?.getLong("recognitionProcessStartedAt") ?: 0L
+        val accessibilityConnectionState = when {
+            !accessibilityAuthorized -> "unauthorized"
+            accessibilityConnected -> "connected"
+            recognitionProcessStartedAt > 0L &&
+                System.currentTimeMillis() - recognitionProcessStartedAt < 5_000L -> "reconnecting"
+            else -> "disconnected"
+        }
+        return mapOf(
+            "accessibilityAuthorized" to accessibilityAuthorized,
+            "accessibilityConnected" to accessibilityConnected,
+            "accessibilityConnectionState" to accessibilityConnectionState,
+            "accessibilityLastConnectedAt" to (response?.getLong("accessibilityLastConnectedAt") ?: 0L),
+            "accessibilityLastDisconnectedAt" to (response?.getLong("accessibilityLastDisconnectedAt") ?: 0L),
+            "recognitionProcessStartedAt" to recognitionProcessStartedAt,
             "notificationAuthorized" to notificationAuthorized,
             "notificationConnected" to (response?.getBoolean("notificationConnected") == true),
             "postNotificationsGranted" to (

frontend/android/app/src/main/kotlin/com/nx/miaoji/RecognitionBridgeProvider.kt

@@ -22,6 +22,9 @@ class RecognitionBridgeProvider : ContentProvider() {
         return when (method) {
             METHOD_STATUS -> Bundle().apply {
                 putBoolean("accessibilityConnected", ScreenshotAccessibilityService.isConnected)
+                putLong("accessibilityLastConnectedAt", ScreenshotAccessibilityService.lastConnectedAt)
+                putLong("accessibilityLastDisconnectedAt", ScreenshotAccessibilityService.lastDisconnectedAt)
+                putLong("recognitionProcessStartedAt", PROCESS_STARTED_AT)
                 putBoolean("notificationConnected", PaymentNotificationListenerService.isConnected)
                 putString("settings", RecognitionSettings.statusJson(appContext))
                 putString("latestStatus", RecognitionCoordinator.get(appContext).latestStatus())
@@ -143,6 +146,7 @@ class RecognitionBridgeProvider : ContentProvider() {
     private data class CaptureResult(val path: String?, val error: String?)
 
     companion object {
+        private val PROCESS_STARTED_AT = System.currentTimeMillis()
         const val METHOD_STATUS = "status"
         const val METHOD_SET_TOGGLE = "setToggle"
         const val METHOD_SET_RUNTIME = "setRuntime"

frontend/android/app/src/main/kotlin/com/nx/miaoji/ScreenshotAccessibilityService.kt

@@ -78,6 +78,7 @@ class ScreenshotAccessibilityService : AccessibilityService() {
         }
         activeInstance = this
         isConnected = true
+        lastConnectedAt = System.currentTimeMillis()
         Log.i(TAG, "Accessibility recognition service connected")
     }
 
@@ -363,6 +364,7 @@ class ScreenshotAccessibilityService : AccessibilityService() {
     private fun disconnect() {
         if (activeInstance === this) activeInstance = null
         isConnected = false
+        lastDisconnectedAt = System.currentTimeMillis()
         pendingRetry = null
         retryTimeout = null
         pendingVisualCapture = null
@@ -1270,6 +1272,14 @@ class ScreenshotAccessibilityService : AccessibilityService() {
         var isConnected = false
             private set
 
+        @Volatile
+        var lastConnectedAt = 0L
+            private set
+
+        @Volatile
+        var lastDisconnectedAt = 0L
+            private set
+
         fun requestScreenshot(
             showResult: Boolean,
             delayMs: Long = 0L,