diff --git a/src-tauri/gen/android/app/src/main/java/com/tauritavern/client/AndroidInsetsBridge.kt b/src-tauri/gen/android/app/src/main/java/com/tauritavern/client/AndroidInsetsBridge.kt
index 0075f98e..3b792af6 100644
--- a/src-tauri/gen/android/app/src/main/java/com/tauritavern/client/AndroidInsetsBridge.kt
+++ b/src-tauri/gen/android/app/src/main/java/com/tauritavern/client/AndroidInsetsBridge.kt
@@ -50,9 +50,12 @@ class AndroidInsetsBridge(
   }
 
   fun onWebViewAvailable() {
-    lastPushedInsetsSnapshot = null
-    hasReadyPageInsetsInjection = false
-    webViewInsetsStyleApplier.onWebViewContextReset()
+    resetWebViewInjectionState()
+    refreshInjection()
+  }
+
+  fun onMainFrameNavigationStarted() {
+    resetWebViewInjectionState()
     refreshInjection()
   }
 
@@ -75,6 +78,13 @@ class AndroidInsetsBridge(
     scheduleInsetsSyncWhenPageReady()
   }
 
+  private fun resetWebViewInjectionState() {
+    lastPushedInsetsSnapshot = null
+    hasPendingForcedInsetsPush = false
+    hasReadyPageInsetsInjection = false
+    webViewInsetsStyleApplier.onWebViewContextReset()
+  }
+
   @Suppress("DEPRECATION")
   private fun configureImmersiveSystemBars() {
     WindowCompat.setDecorFitsSystemWindows(window, false)
diff --git a/src-tauri/gen/android/app/src/main/java/com/tauritavern/client/MainActivity.kt b/src-tauri/gen/android/app/src/main/java/com/tauritavern/client/MainActivity.kt
index 52f936e1..4ba7a834 100644
--- a/src-tauri/gen/android/app/src/main/java/com/tauritavern/client/MainActivity.kt
+++ b/src-tauri/gen/android/app/src/main/java/com/tauritavern/client/MainActivity.kt
@@ -95,6 +95,7 @@ class MainActivity : TauriActivity(), AndroidWebFullscreenHost {
   override fun onCreate(savedInstanceState: Bundle?) {
     enableEdgeToEdge()
     super.onCreate(savedInstanceState)
+    installWebViewNavigationHooks()
     backNavigationController.register(onBackPressedDispatcher, this)
     // Keep a foreground service for the whole app session to reduce OEM background kills.
     aiGenerationNotifier.ensureKeepAliveService()
@@ -142,9 +143,23 @@ class MainActivity : TauriActivity(), AndroidWebFullscreenHost {
     isActivityDestroyed = true
     mainHandler.removeCallbacksAndMessages(null)
     backgroundExecutor.shutdownNow()
+    RustWebViewClient.mainFrameNavigationListener = null
     super.onDestroy()
   }
 
+  private fun installWebViewNavigationHooks() {
+    RustWebViewClient.mainFrameNavigationListener =
+      object : RustWebViewClient.MainFrameNavigationListener {
+        override fun onMainFramePageStarted(view: WebView, url: String) {
+          val activeWebView = webView ?: return
+          if (view !== activeWebView) {
+            return
+          }
+          insetsBridge.onMainFrameNavigationStarted()
+        }
+      }
+  }
+
   private fun captureShareIntent(intent: Intent?) {
     val incomingIntent = intent ?: return
     if (!shareIntentParser.canHandle(incomingIntent)) {
diff --git a/src-tauri/gen/android/app/src/main/java/com/tauritavern/client/RustWebViewClient.kt b/src-tauri/gen/android/app/src/main/java/com/tauritavern/client/RustWebViewClient.kt
index cf82495a..d4be82c6 100644
--- a/src-tauri/gen/android/app/src/main/java/com/tauritavern/client/RustWebViewClient.kt
+++ b/src-tauri/gen/android/app/src/main/java/com/tauritavern/client/RustWebViewClient.kt
@@ -25,6 +25,10 @@ class RustWebViewClient(context: Context) : WebViewClient() {
   private var lastInterceptedUrl: Uri? = null
   private var pendingUrlRedirect: String? = null
 
+  interface MainFrameNavigationListener {
+    fun onMainFramePageStarted(view: WebView, url: String)
+  }
+
   private val assetLoader =
     WebViewAssetLoader
       .Builder()
@@ -75,6 +79,7 @@ class RustWebViewClient(context: Context) : WebViewClient() {
     favicon: Bitmap?,
   ) {
     currentUrl = url
+    mainFrameNavigationListener?.onMainFramePageStarted(view, url)
     if (interceptedState[url] == false) {
       val webView = view as RustWebView
       for (script in webView.initScripts) {
@@ -111,6 +116,9 @@ class RustWebViewClient(context: Context) : WebViewClient() {
   companion object {
     private const val LOG_TAG = "TauriTavern/WebView"
 
+    @Volatile
+    var mainFrameNavigationListener: MainFrameNavigationListener? = null
+
     init {
       System.loadLibrary("tauritavern_lib")
     }
diff --git a/tests/mobile-ime-contract.test.mjs b/tests/mobile-ime-contract.test.mjs
index ac742cb8..416db925 100644
--- a/tests/mobile-ime-contract.test.mjs
+++ b/tests/mobile-ime-contract.test.mjs
@@ -250,6 +250,39 @@ test('Android insets helper exposes routing APIs and clears old IME target resid
     assert.match(source, /document\.getElementById\('sheld'\)/);
 });
 
+test('Android insets injection resets on main-frame navigation', async () => {
+    const clientPath = path.join(
+        REPO_ROOT,
+        'src-tauri/gen/android/app/src/main/java/com/tauritavern/client/RustWebViewClient.kt',
+    );
+    const clientSource = await readFile(clientPath, 'utf8');
+
+    assert.match(clientSource, /\bmainFrameNavigationListener\b/);
+    assert.match(clientSource, /onMainFramePageStarted/);
+    assert.match(clientSource, /mainFrameNavigationListener\?\.\s*onMainFramePageStarted\(/);
+
+    const activityPath = path.join(
+        REPO_ROOT,
+        'src-tauri/gen/android/app/src/main/java/com/tauritavern/client/MainActivity.kt',
+    );
+    const activitySource = await readFile(activityPath, 'utf8');
+
+    assert.match(activitySource, /installWebViewNavigationHooks/);
+    assert.match(activitySource, /RustWebViewClient\.mainFrameNavigationListener\s*=/);
+    assert.match(activitySource, /insetsBridge\.onMainFrameNavigationStarted\(\)/);
+    assert.match(activitySource, /RustWebViewClient\.mainFrameNavigationListener\s*=\s*null/);
+
+    const bridgePath = path.join(
+        REPO_ROOT,
+        'src-tauri/gen/android/app/src/main/java/com/tauritavern/client/AndroidInsetsBridge.kt',
+    );
+    const bridgeSource = await readFile(bridgePath, 'utf8');
+
+    assert.match(bridgeSource, /fun onMainFrameNavigationStarted\(\)/);
+    assert.match(bridgeSource, /hasReadyPageInsetsInjection\s*=\s*false/);
+    assert.match(bridgeSource, /webViewInsetsStyleApplier\.onWebViewContextReset\(\)/);
+});
+
 test('mobile IME surface controller is focus-driven (no observers) and writes host-private attrs', async () => {
     const controllerPath = path.join(
         REPO_ROOT,