feat(ios): Add App Intents support for Conduit interactions

lib/core/services/app_intents_service.dart

@@ -362,6 +362,20 @@ class AppIntentCoordinator extends _$AppIntentCoordinator {
     );
   }
 
+  Future<void> openChatFromExternal({
+    String? prompt,
+    bool focusComposer = false,
+    bool resetChat = false,
+  }) {
+    return _prepareChatWithOptions(
+      prompt: prompt,
+      focusComposer: focusComposer,
+      resetChat: resetChat,
+    );
+  }
+
+  Future<void> startVoiceCallFromExternal() => _startVoiceCall();
+
   Future<void> _prepareChatWithOptions({
     String? prompt,
     bool focusComposer = false,
@@ -412,7 +426,7 @@ class AppIntentCoordinator extends _$AppIntentCoordinator {
 
     await navigator.push(
       MaterialPageRoute(
-        builder: (_) => const VoiceCallPage(),
+        builder: (_) => const VoiceCallPage(startNewConversation: true),
         fullscreenDialog: true,
       ),
     );

lib/core/services/quick_actions_service.dart

@@ -0,0 +1,108 @@
+import 'dart:async';
+import 'dart:io';
+
+import 'package:conduit/l10n/app_localizations.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:quick_actions/quick_actions.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+import '../providers/app_providers.dart';
+import '../utils/debug_logger.dart';
+import 'app_intents_service.dart';
+import 'navigation_service.dart';
+
+part 'quick_actions_service.g.dart';
+
+const _quickActionNewChat = 'conduit_new_chat';
+const _quickActionVoiceCall = 'conduit_voice_call';
+
+@Riverpod(keepAlive: true)
+class QuickActionsCoordinator extends _$QuickActionsCoordinator {
+  final QuickActions _quickActions = const QuickActions();
+
+  @override
+  FutureOr<void> build() {
+    if (kIsWeb) return Future<void>.value();
+    if (!Platform.isIOS && !Platform.isAndroid) {
+      return Future<void>.value();
+    }
+
+    _quickActions.initialize(_handleAction);
+    unawaited(_setShortcuts());
+
+    ref.listen<Locale?>(appLocaleProvider, (prev, next) {
+      unawaited(_setShortcuts());
+    });
+  }
+
+  Future<void> _setShortcuts() async {
+    final titles = _resolveTitles();
+    try {
+      await _quickActions.setShortcutItems([
+        ShortcutItem(type: _quickActionNewChat, localizedTitle: titles.newChat),
+        ShortcutItem(
+          type: _quickActionVoiceCall,
+          localizedTitle: titles.voiceCall,
+        ),
+      ]);
+    } catch (error, stackTrace) {
+      DebugLogger.error(
+        'quick-actions-register',
+        scope: 'platform',
+        error: error,
+        stackTrace: stackTrace,
+      );
+    }
+  }
+
+  _QuickActionTitles _resolveTitles() {
+    final context = NavigationService.context;
+    final l10n = context != null ? AppLocalizations.of(context) : null;
+    return _QuickActionTitles(
+      newChat: l10n?.newChat ?? 'New Chat',
+      voiceCall: l10n?.voiceCallTitle ?? 'Voice Call',
+    );
+  }
+
+  void _handleAction(String type) {
+    unawaited(_handleActionAsync(type));
+  }
+
+  Future<void> _handleActionAsync(String? type) async {
+    if (type == null || type.isEmpty) return;
+
+    await Future<void>.delayed(const Duration(milliseconds: 16));
+
+    switch (type) {
+      case _quickActionNewChat:
+        await ref
+            .read(appIntentCoordinatorProvider.notifier)
+            .openChatFromExternal(focusComposer: true, resetChat: true);
+        break;
+      case _quickActionVoiceCall:
+        try {
+          await ref
+              .read(appIntentCoordinatorProvider.notifier)
+              .startVoiceCallFromExternal();
+        } catch (error, stackTrace) {
+          DebugLogger.error(
+            'quick-actions-voice',
+            scope: 'platform',
+            error: error,
+            stackTrace: stackTrace,
+          );
+        }
+        break;
+      default:
+        DebugLogger.info('Unknown quick action: $type');
+    }
+  }
+}
+
+class _QuickActionTitles {
+  const _QuickActionTitles({required this.newChat, required this.voiceCall});
+
+  final String newChat;
+  final String voiceCall;
+}