feat: 优化前端 UI 组件与交互体验

- 优化日历、待办、消息等页面交互
- 更新 ChatBloc 与 UI Schema 渲染
- 优化联系人、首页、设置页面体验

apps/lib/features/chat/data/services/ag_ui_service.dart

@@ -7,20 +7,15 @@ import 'package:dio/dio.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:social_app/core/api/i_api_client.dart';
 
-import '../ai/ai_decision_engine.dart';
 import '../models/ag_ui_event.dart';
-import '../tools/tool_registry.dart';
 
 typedef EventCallback = void Function(AgUiEvent event);
 
 const _runIdPrefix = 'run_';
-const _messageIdPrefix = 'msg_';
-const _toolCallIdPrefix = 'tc_';
 
 class AgUiService {
   final IApiClient _apiClient;
   EventCallback onEvent;
-  final AiDecisionEngine _decisionEngine;
   final Map<String, String> _lastEventIdByThread = {};
   int _activeStreamToken = 0;
 
@@ -29,8 +24,7 @@ class AgUiService {
 
   AgUiService({EventCallback? onEvent, required IApiClient apiClient})
     : onEvent = onEvent ?? ((_) {}),
-      _apiClient = apiClient,
-      _decisionEngine = AiDecisionEngine();
+      _apiClient = apiClient;
 
   Future<void> sendMessage(String content, {List<XFile>? images}) async {
     final streamToken = ++_activeStreamToken;
@@ -51,23 +45,19 @@ class AgUiService {
     await _streamEventsFromApi(threadId, streamToken: streamToken);
   }
 
-  Future<void> loadHistory({DateTime? beforeDate}) async {
+  Future<HistorySnapshot> loadHistory({DateTime? beforeDate}) async {
     final path = _buildHistoryPath(beforeDate: beforeDate);
     final response = await _apiClient.get<Map<String, dynamic>>(path);
     final payload = response.data;
     if (payload is! Map<String, dynamic>) {
       throw StateError('Invalid /agent/history response');
     }
-    final event = AgUiEvent.fromJson(payload);
-    if (event is StateSnapshotEvent) {
-      final snapshot = event.snapshot;
-      final threadIdFromSnapshot = snapshot['threadId'] as String?;
-      if (threadIdFromSnapshot != null && threadIdFromSnapshot.isNotEmpty) {
-        _threadId = threadIdFromSnapshot;
-      }
-      _hasMoreHistory = snapshot['hasMore'] == true;
+    final snapshot = HistorySnapshot.fromJson(payload);
+    if (snapshot.threadId != null && snapshot.threadId!.isNotEmpty) {
+      _threadId = snapshot.threadId;
     }
-    onEvent(event);
+    _hasMoreHistory = snapshot.hasMore;
+    return snapshot;
   }
 
   Future<Uint8List> fetchAttachmentPreview(String previewPath) async {
@@ -105,60 +95,6 @@ class AgUiService {
     return transcript;
   }
 
-  Future<void> approveToolCall({
-    required String toolCallId,
-    required String toolName,
-    required Map<String, dynamic> args,
-  }) async {
-    final streamToken = ++_activeStreamToken;
-    final threadId = _threadId;
-    if (threadId == null || threadId.isEmpty) {
-      throw StateError('Missing threadId for resume');
-    }
-    ToolRegistry.initialize();
-    final nonce = args['__nonce'];
-    if (nonce is! String || nonce.isEmpty) {
-      throw StateError('Missing tool nonce for resume');
-    }
-    final localResult = await ToolRegistry.execute(toolName, args);
-    if (localResult['ok'] != true) {
-      throw StateError('Frontend tool execution failed');
-    }
-    final runInput = {
-      'threadId': threadId,
-      'runId': _nextId(_runIdPrefix),
-      'state': <String, dynamic>{},
-      'messages': [
-        {
-          'id': _nextId('tool_'),
-          'role': 'tool',
-          'toolCallId': toolCallId,
-          'content': jsonEncode({
-            'toolName': toolName,
-            'toolArgs': args,
-            'nonce': nonce,
-            'result': localResult,
-          }),
-        },
-      ],
-      'tools': _buildTools(),
-      'context': <Map<String, dynamic>>[],
-      'forwardedProps': <String, dynamic>{},
-    };
-    final response = await _apiClient.post<Map<String, dynamic>>(
-      '/api/v1/agent/runs/$threadId/resume',
-      data: runInput,
-    );
-    final payload = response.data;
-    if (payload is Map<String, dynamic>) {
-      final responseThreadId = payload['threadId'];
-      if (responseThreadId is String && responseThreadId.isNotEmpty) {
-        _threadId = responseThreadId;
-      }
-    }
-    await _streamEventsFromApi(threadId, streamToken: streamToken);
-  }
-
   bool hasEarlierHistory(DateTime fromDate) {
     // 历史是否还有更多由后端 history snapshot 的 hasMore 驱动。
     // 参数保留是为了兼容 ChatBloc 现有调用签名。
@@ -199,9 +135,6 @@ class AgUiService {
             final decoded = jsonDecode(raw);
             if (decoded is Map<String, dynamic>) {
               final event = AgUiEvent.fromJson(decoded);
-              if (event is StateSnapshotEvent) {
-                _hasMoreHistory = event.snapshot['hasMore'] == true;
-              }
               onEvent(event);
             }
           } catch (_) {
@@ -285,7 +218,7 @@ class AgUiService {
       'messages': [
         {'id': _nextId('user_'), 'role': 'user', 'content': messageContent},
       ],
-      'tools': _buildTools(),
+      'tools': <Map<String, dynamic>>[],
       'context': <Map<String, dynamic>>[],
       'forwardedProps': <String, dynamic>{},
     };
@@ -343,26 +276,6 @@ class AgUiService {
     return attachments;
   }
 
-  List<Map<String, dynamic>> _buildTools() {
-    return [
-      {
-        'name': 'front.navigate_to_route',
-        'description': 'Navigate user to a route in the mobile app.',
-        'parameters': {
-          'type': 'object',
-          'properties': {
-            'target': {'type': 'string', 'description': 'Route path target'},
-            'replace': {
-              'type': 'boolean',
-              'description': 'Use replace navigation',
-            },
-          },
-          'required': ['target'],
-        },
-      },
-    ];
-  }
-
   String _buildHistoryPath({DateTime? beforeDate}) {
     final query = <String>[];
     if (_threadId != null && _threadId!.isNotEmpty) {