feat: Seerr QuickConnect login

lib/l10n/app_en.arb

@@ -1546,6 +1546,8 @@
   "quickConnectPostFailed": "Failed to get quick connect code",
   "quickConnectLoginUsingCode": "Using quick connect",
   "quickConnectEnterCodeDescription": "Enter the code below to login",
+  "openJellyfinQuickConnect": "Open Jellyfin QuickConnect",
+  "@openJellyfinQuickConnect": {},
   "showMore": "Show more",
   "showLess": "Show less",
   "itemColorsTitle": "Item colors",
@@ -2168,6 +2170,8 @@
   "@seerrAuthLocal": {},
   "seerrAuthJellyfin": "Jellyfin",
   "@seerrAuthJellyfin": {},
+  "seerrAuthQuickConnect": "QuickConnect",
+  "@seerrAuthQuickConnect": {},
   "seerrUserFetchFailed": "Failed to fetch user from Seerr",
   "@seerrUserFetchFailed": {},
   "seerrEnterServerUrlFirst": "Enter a Seerr server URL first",

lib/providers/seerr_service_provider.dart

@@ -656,6 +656,25 @@ class SeerrService {
     return _requireSessionCookie(response, label: 'Jellyfin');
   }
 
+  Future<SeerrQuickConnectInitResponse?> quickConnectInitiate() async {
+    final response = await _api.quickConnectInitiate();
+    if (!response.isSuccessful) return null;
+    return response.body;
+  }
+
+  Future<bool> quickConnectCheck(String secret) async {
+    final response = await _api.quickConnectCheck(secret);
+    return response.body?.authenticated ?? false;
+  }
+
+  Future<String?> quickConnectAuthenticate(String secret) async {
+    final response = await _api.quickConnectAuthenticate(
+      SeerrQuickConnectAuthBody(secret: secret),
+    );
+    if (!response.isSuccessful) return null;
+    return _extractSessionCookie(response);
+  }
+
   Future<void> logout() async => await _api.logout();
 
   Future<Response<dynamic>> _authenticateJellyfin(

lib/screens/login/login_code_dialog.dart

@@ -40,7 +40,9 @@ class LoginCodeDialog extends ConsumerStatefulWidget {
 class _LoginCodeDialogState extends ConsumerState<LoginCodeDialog> {
   late QuickConnectResult quickConnectInfo = widget.quickConnectInfo;
 
+  static const _maxPollAttempts = 300; // ~5 minutes at 1s interval
   RestartableTimer? timer;
+  int _pollAttempts = 0;
 
   @override
   void initState() {
@@ -56,14 +58,24 @@ class _LoginCodeDialogState extends ConsumerState<LoginCodeDialog> {
 
   void createTimer() {
     timer?.cancel();
+    _pollAttempts = 0;
     timer = RestartableTimer(const Duration(seconds: 1), () async {
-      final result = await ref.read(jellyApiProvider).quickConnectConnectGet(
-            secret: quickConnectInfo.secret,
-          );
-      final newSecret = result.body?.secret;
-      if (result.isSuccessful && result.body?.authenticated == true && newSecret != null) {
-        widget.onAuthenticated.call(context, newSecret);
-      } else {
+      if (_pollAttempts >= _maxPollAttempts) {
+        timer?.cancel();
+        return;
+      }
+      _pollAttempts++;
+      try {
+        final result = await ref.read(jellyApiProvider).quickConnectConnectGet(
+              secret: quickConnectInfo.secret,
+            );
+        final newSecret = result.body?.secret;
+        if (result.isSuccessful && result.body?.authenticated == true && newSecret != null) {
+          widget.onAuthenticated.call(context, newSecret);
+        } else {
+          timer?.reset();
+        }
+      } catch (_) {
         timer?.reset();
       }
     });

lib/screens/login/login_screen_credentials.dart

@@ -377,25 +377,31 @@ class _LoginScreenCredentialsState extends ConsumerState<LoginScreenCredentials>
 
   Future<void> _tryAuthenticateSeerr(String seerrUrl) async {
     try {
-      final username = usernameController.text.trim();
-      final password = passwordController.text;
-
       final effectiveSeerrUrl = FladderConfig.seerrBaseUrl ?? seerrUrl;
       ref.read(userProvider.notifier).setSeerrServerUrl(effectiveSeerrUrl);
 
       final tempCookie = ref.read(authProvider.select((value) => value.tempSeerrSessionCookie));
-      final cookie = tempCookie ??
-          await ref.read(seerrApiProvider).authenticateJellyfin(
-                username: username,
-                password: password,
-              );
-
-      ref.read(userProvider.notifier).setSeerrSessionCookie(cookie);
-      ref.read(userProvider.notifier).setSeerrApiKey('');
-      ref.read(authProvider.notifier).setTempSeerrSessionCookie(null);
+      if (tempCookie != null) {
+        ref.read(userProvider.notifier).setSeerrSessionCookie(tempCookie);
+        ref.read(userProvider.notifier).setSeerrApiKey('');
+        ref.read(authProvider.notifier).setTempSeerrSessionCookie(null);
+        if (context.mounted) {
+          FladderSnack.show(context.localized.seerrLoggedIn, context: context);
+        }
+        return;
+      }
 
-      if (context.mounted) {
-        FladderSnack.show(context.localized.seerrLoggedIn, context: context);
+      final password = passwordController.text;
+      if (password.isNotEmpty) {
+        final cookie = await ref.read(seerrApiProvider).authenticateJellyfin(
+              username: usernameController.text.trim(),
+              password: password,
+            );
+        ref.read(userProvider.notifier).setSeerrSessionCookie(cookie);
+        ref.read(userProvider.notifier).setSeerrApiKey('');
+        if (context.mounted) {
+          FladderSnack.show(context.localized.seerrLoggedIn, context: context);
+        }
       }
     } catch (e) {
       if (context.mounted) {
@@ -415,7 +421,13 @@ class _LoginScreenCredentialsState extends ConsumerState<LoginScreenCredentials>
       ref.read(authProvider.notifier).authenticateUsingSecret(secret),
     );
     if (response.isSuccess && context.mounted) {
-      loggedInGoToHome(context, ref);
+      final tempSeerrUrl = ref.read(authProvider.select((value) => value.tempSeerrUrl));
+      if (tempSeerrUrl != null && tempSeerrUrl.isNotEmpty) {
+        await _tryAuthenticateSeerr(tempSeerrUrl);
+      }
+      if (context.mounted) {
+        loggedInGoToHome(context, ref);
+      }
     }
     setState(() {
       loggingIn = false;