Add Browser Redirect Link on Update Failures

app/src/main/java/com/tunnelguard/app/UpdateManager.kt

@@ -8,6 +8,7 @@ import android.net.Uri
 import android.os.Build
 import android.provider.Settings
 import androidx.core.content.FileProvider
+import com.tunnelguard.app.update.UpdateRepository
 import java.io.File
 import java.io.FileOutputStream
 import java.io.IOException
@@ -424,12 +425,27 @@ class UpdateManager(
     }
 
     fun showUpdateErrorDialog(errorMessage: String) {
-        androidx.appcompat.app.AlertDialog.Builder(activity)
+        val repo = UpdateRepository.getInstance(activity)
+        val targetUrl = repo.getCachedReleaseUrl()?.ifBlank { null } ?: repo.getCachedApkUrl()
+
+        val builder = androidx.appcompat.app.AlertDialog.Builder(activity)
             .setTitle("Update Check Failed")
             .setMessage("Could not check for updates or download update.\n\nDetails: $errorMessage")
             .setPositiveButton("OK") { dialog, _ ->
                 dialog.dismiss()
             }
-            .show()
+
+        if (!targetUrl.isNullOrBlank()) {
+            builder.setNeutralButton("Open in Browser") { dialog, _ ->
+                dialog.dismiss()
+                try {
+                    val intent = Intent(Intent.ACTION_VIEW, Uri.parse(targetUrl))
+                    activity.startActivity(intent)
+                } catch (e: Exception) {
+                    config.addLog("Failed to open browser for update: ${e.message}")
+                }
+            }
+        }
+        builder.show()
     }
 }

app/src/main/java/com/tunnelguard/app/update/UpdateDialogScreen.kt

@@ -72,7 +72,28 @@ fun UpdateDialogScreen(state: UpdateUiState, onUpdateNow: () -> Unit, onExitApp:
                 state.errorMessage?.let { Text(it, color = MaterialTheme.colorScheme.error, modifier = Modifier.padding(top = 12.dp)) }
                 Spacer(Modifier.height(16.dp))
                 Row(Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.spacedBy(12.dp)) {
-                    Button(onClick = onUpdateNow, enabled = !state.isDownloading, modifier = Modifier.weight(1f).height(56.dp).focusRequester(focusRequester)) { Text("Update Now") }
+                    val context = LocalContext.current
+                    val browserUrl = state.releaseUrl.ifBlank { state.apkUrl.orEmpty() }
+
+                    if (!state.errorMessage.isNullOrBlank() && browserUrl.isNotBlank()) {
+                        Button(
+                            onClick = {
+                                try {
+                                    val intent = android.content.Intent(android.content.Intent.ACTION_VIEW, android.net.Uri.parse(browserUrl))
+                                    context.startActivity(intent)
+                                } catch (e: Exception) {
+                                    val config = com.tunnelguard.app.TunnelGuardConfig(context)
+                                    config.addLog("Failed to open browser for update: ${e.message}", "ERROR")
+                                    android.widget.Toast.makeText(context, "Failed to launch browser. Please open the link manually.", android.widget.Toast.LENGTH_LONG).show()
+                                }
+                            },
+                            modifier = Modifier.weight(1f).height(56.dp)
+                        ) {
+                            Text("Open in Browser")
+                        }
+                    } else {
+                        Button(onClick = onUpdateNow, enabled = !state.isDownloading, modifier = Modifier.weight(1f).height(56.dp).focusRequester(focusRequester)) { Text("Update Now") }
+                    }
                     OutlinedButton(onClick = onExitApp, enabled = !state.isDownloading, modifier = Modifier.weight(1f).height(56.dp)) { Text("Exit App") }
                 }
             }