android-app/app/src/main/java/de/harheimertc/MainActivity.kt

@@ -21,9 +21,20 @@ import de.harheimertc.ui.navigation.NavigationViewModel
 import dagger.hilt.android.AndroidEntryPoint
 import android.util.Log
 import androidx.compose.ui.platform.LocalContext
+import androidx.lifecycle.lifecycleScope
+import de.harheimertc.repositories.AuthRepository
+import de.harheimertc.repositories.PushTokenRepository
+import kotlinx.coroutines.launch
+import javax.inject.Inject
 
 @AndroidEntryPoint
 class MainActivity : ComponentActivity() {
+    @Inject
+    lateinit var authRepository: AuthRepository
+
+    @Inject
+    lateinit var pushTokenRepository: PushTokenRepository
+
     private val notificationRoute = mutableStateOf<String?>(null)
 
     private val notificationPermissionLauncher = registerForActivityResult(
@@ -50,6 +61,23 @@ class MainActivity : ComponentActivity() {
         notificationRoute.value = extractNotificationRoute(intent)
     }
 
+    override fun onResume() {
+        super.onResume()
+        syncPushTokenWhenSignedIn()
+    }
+
+    /**
+     * Server-side tokens are persistent, but re-registering the current FCM
+     * token is cheap and idempotent. It restores a token if server data was
+     * ever recovered from a backup or manually repaired.
+     */
+    private fun syncPushTokenWhenSignedIn() {
+        if (authRepository.getToken().isNullOrBlank() && authRepository.getRefreshToken().isNullOrBlank()) return
+        lifecycleScope.launch {
+            pushTokenRepository.registerCurrentDevice()
+        }
+    }
+
     private fun extractNotificationRoute(intent: Intent?): String? =
         intent?.getStringExtra(EXTRA_NOTIFICATION_ROUTE)?.takeIf { it.isNotBlank() }
 

android-app/app/src/main/java/de/harheimertc/ui/screens/login/LoginViewModel.kt

@@ -6,6 +6,7 @@ import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import de.harheimertc.repositories.LoginRepository
 import de.harheimertc.repositories.PasskeyRepository
+import de.harheimertc.repositories.PushTokenRepository
 import de.harheimertc.ui.components.isValidEmail
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
@@ -29,6 +30,7 @@ data class LoginUiState(
 class LoginViewModel @Inject constructor(
     private val repository: LoginRepository,
     private val passkeyRepository: PasskeyRepository,
+    private val pushTokenRepository: PushTokenRepository,
 ) : ViewModel() {
     private val _state = MutableStateFlow(LoginUiState())
     val state: StateFlow<LoginUiState> = _state
@@ -70,6 +72,7 @@ class LoginViewModel @Inject constructor(
             _state.value = current.copy(loading = true, error = null, message = null)
             repository.login(current.email, current.password)
                 .onSuccess { response ->
+                    viewModelScope.launch { pushTokenRepository.registerCurrentDevice() }
                     _state.value = current.copy(
                         password = "",
                         loading = false,
@@ -92,6 +95,7 @@ class LoginViewModel @Inject constructor(
             _state.value = current.copy(loading = true, error = null, message = null)
             passkeyRepository.login(context, current.email)
                 .onSuccess { response ->
+                    viewModelScope.launch { pushTokenRepository.registerCurrentDevice() }
                     _state.value = current.copy(
                         password = "",
                         loading = false,

android-app/gradle.properties

@@ -8,8 +8,8 @@ LOCAL_API_BASE_URL=https://harheimertc.tsschulz.de/
 PRODUCTION_API_BASE_URL=https://harheimertc.de/
 
 # Android app versioning for Play Store uploads
-ANDROID_VERSION_CODE=33
-ANDROID_VERSION_NAME=0.9.28
+ANDROID_VERSION_CODE=34
+ANDROID_VERSION_NAME=0.9.29
 
 # Temporary hotfix: disable R8 minification for release to avoid Retrofit generic signature stripping.
 RELEASE_MINIFY_ENABLED=false