feat: 网页端固定主用户，Matrix /new创建新会话，实时同步

.gitignore

@@ -0,0 +1,34 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+venv/
+env/
+*.egg-info/
+dist/
+build/
+
+# Database
+*.db
+*.sqlite
+*.sqlite3
+
+# Logs
+logs/
+*.log
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Config (if contains secrets)
+config.local.*
+*.secret

README.md

@@ -0,0 +1,94 @@
+# AI 对话系统
+
+支持网页端和Matrix端实时同步对话的AI聊天系统。
+
+## 功能特性
+
+- **网页端对话**: 通过浏览器与AI进行对话
+- **Matrix端对话**: 配置Matrix Bot，用户可通过Matrix与AI对话
+- **实时同步**: 同一用户在网页端和Matrix端的对话自动同步
+- **后台管理**: 用户管理、对话记录、系统配置
+
+## 系统架构
+
+```
+┌─────────────────────────────────────────────────────────┐
+│                    AI 对话系统                          │
+├─────────────────────────────────────────────────────────┤
+│  网页端 (用户A)  ←──┐                     ┌──→ Matrix端 │
+│                    │    同一会话同步      │   (用户A)   │
+├─────────────────────────────────────────────────────────┤
+│  后端服务 (FastAPI + WebSocket)                         │
+│  - 会话管理                                             │
+│  - 消息存储                                             │
+│  - Matrix Bot 集成                                      │
+│  - AI 模型调用                                          │
+├─────────────────────────────────────────────────────────┤
+│  后台管理                                               │
+│  - 用户管理                                             │
+│  - 对话记录                                             │
+│  - 系统配置                                             │
+└─────────────────────────────────────────────────────────┘
+```
+
+## 端口分配
+
+- 19020: 主服务（网页端 + API）
+- 后台管理: http://localhost:19020/admin
+
+## 快速启动
+
+```bash
+# 安装依赖
+pip3 install -r requirements.txt
+
+# 启动服务
+./start.sh
+
+# 检查状态
+./status.sh
+
+# 停止服务
+./stop.sh
+```
+
+## 配置Matrix Bot
+
+在后台管理页面配置以下参数：
+
+| 配置项 | 说明 |
+|--------|------|
+| matrix_homeserver | Matrix服务器地址，如 https://matrix.tphai.com |
+| matrix_username | Matrix Bot用户名，如 @ai-bot:matrix.org |
+| matrix_password | Matrix Bot密码 |
+
+配置完成后，其他Matrix用户可以直接与Bot对话。
+
+## API接口
+
+### 会话管理
+
+- `GET /api/conversations` - 获取会话列表
+- `POST /api/conversations` - 创建新会话
+- `GET /api/conversations/{id}/messages` - 获取会话消息
+- `DELETE /api/conversations/{id}` - 删除会话
+
+### 后台管理
+
+- `GET /api/admin/stats` - 获取统计数据
+- `GET /api/admin/users` - 获取用户列表
+- `GET /api/admin/conversations` - 获取对话列表
+- `GET /api/admin/config` - 获取系统配置
+- `POST /api/admin/config` - 更新系统配置
+
+## 技术栈
+
+- **后端**: FastAPI + WebSocket
+- **数据库**: SQLite (SQLAlchemy)
+- **Matrix**: matrix-nio
+- **前端**: HTML + JavaScript (原生)
+- **AI**: 可配置任意LLM API（默认使用本地LLM Proxy）
+
+## 仓库地址
+
+http://192.168.2.8:12007/coder/ai-chat-system

init_config.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+"""初始化配置"""
+import sys
+sys.path.insert(0, '/home/xian/.openclaw/workspace-coder/works/ai-chat')
+
+from models import SessionLocal, SystemConfig, init_db
+
+# 初始化数据库
+init_db()
+
+db = SessionLocal()
+
+# 配置AI模型
+configs = [
+    {'key': 'ai_api_base', 'value': 'http://192.168.2.17:19007/v1', 'description': 'AI模型API地址'},
+    {'key': 'ai_api_key', 'value': 'xxxx', 'description': 'AI模型API Key'},
+    {'key': 'ai_model', 'value': 'auto', 'description': 'AI模型名称'},
+    
+    # 配置Matrix Bot
+    {'key': 'matrix_homeserver', 'value': 'https://matrix.tphai.com', 'description': 'Matrix服务器地址'},
+    {'key': 'matrix_username', 'value': '@tester:matrix.tphai.com', 'description': 'Matrix Bot用户名'},
+    {'key': 'matrix_access_token', 'value': 'syt_dGVzdGVy_eMwWfezCXSyBgHzvkmly_4dWFtM', 'description': 'Matrix Bot Access Token'},
+]
+
+for config in configs:
+    existing = db.query(SystemConfig).filter(SystemConfig.key == config['key']).first()
+    if existing:
+        existing.value = config['value']
+        existing.description = config['description']
+    else:
+        db.add(SystemConfig(**config))
+
+db.commit()
+print("配置已写入数据库")
+
+# 显示配置
+for c in db.query(SystemConfig).all():
+    print(f"{c.key}: {c.value}")
+
+db.close()

logs/ai-chat.log

@@ -1,18 +1,39 @@
-Traceback (most recent call last):
-  File "/home/xian/.openclaw/workspace-coder/works/ai-chat/main.py", line 17, in <module>
-    from models import init_db, get_db, User, Conversation, Message, SystemConfig
-  File "/home/xian/.openclaw/workspace-coder/works/ai-chat/models/__init__.py", line 1, in <module>
-    from .database import Base, engine, SessionLocal, get_db, init_db
-  File "/home/xian/.openclaw/workspace-coder/works/ai-chat/models/database.py", line 33, in <module>
-    class Conversation(Base):
-  File "/home/xian/.local/lib/python3.10/site-packages/sqlalchemy/orm/decl_api.py", line 195, in __init__
-    _as_declarative(reg, cls, dict_)
-  File "/home/xian/.local/lib/python3.10/site-packages/sqlalchemy/orm/decl_base.py", line 247, in _as_declarative
-    return _MapperConfig.setup_mapping(registry, cls, dict_, None, {})
-  File "/home/xian/.local/lib/python3.10/site-packages/sqlalchemy/orm/decl_base.py", line 328, in setup_mapping
-    return _ClassScanMapperConfig(
-  File "/home/xian/.local/lib/python3.10/site-packages/sqlalchemy/orm/decl_base.py", line 574, in __init__
-    self._extract_mappable_attributes()
-  File "/home/xian/.local/lib/python3.10/site-packages/sqlalchemy/orm/decl_base.py", line 1507, in _extract_mappable_attributes
-    raise exc.InvalidRequestError(
-sqlalchemy.exc.InvalidRequestError: Attribute name 'metadata' is reserved when using the Declarative API.
+/home/xian/.openclaw/workspace-coder/works/ai-chat/main.py:445: DeprecationWarning: 
+        on_event is deprecated, use lifespan event handlers instead.
+
+        Read more about it in the
+        [FastAPI docs for Lifespan Events](https://fastapi.tiangolo.com/advanced/events/).
+        
+  @app.on_event("startup")
+/home/xian/.openclaw/workspace-coder/works/ai-chat/main.py:470: DeprecationWarning: 
+        on_event is deprecated, use lifespan event handlers instead.
+
+        Read more about it in the
+        [FastAPI docs for Lifespan Events](https://fastapi.tiangolo.com/advanced/events/).
+        
+  @app.on_event("shutdown")
+INFO:     Started server process [1418843]
+INFO:     Waiting for application startup.
+INFO:__main__:数据库初始化完成
+INFO:services.ai_service:AI配置已更新: api_base=http://192.168.2.17:19007/v1, model=auto, use_mock=False
+INFO:__main__:AI配置已加载: http://192.168.2.17:19007/v1, model=auto
+WARNING:nio.client.async_client:Timed out, sleeping for 0s
+WARNING:nio.client.async_client:Timed out, sleeping for 0s
+WARNING:nio.client.async_client:Timed out, sleeping for 0s
+WARNING:nio.client.async_client:Timed out, sleeping for 0s
+WARNING:nio.clieWARNING:nio.client.async_client:Timed out, sleeping for 60s
+WARNING:nio.client.async_client:Timed out, sleeping for 60s
+WARNING:nio.client.async_client:Timed out, sleeping for 60s
+WARNING:nio.client.async_client:Timed out, sleeping for 60s
+WARNING:nio.client.async_client:Timed out, sleeping for 60s
+WARNING:nio.client.async_client:Timed out, sleeping for 60s
+WARNING:nio.client.async_client:Timed out, sleeping for 60s
+WARNING:nio.client.async_client:Timed out, sleeping for 60s
+WARNING:nio.client.async_client:Timed out, sleeping for 60s
+WARNING:nio.client.async_client:Timed out, sleeping for 60s
+WARNING:nio.client.async_client:Timed out, sleeping for 60s
+async_client:Timed out, sleeping for 60s
+WARNING:nio.client.async_client:Timed out, sleeping for 60s
+WARNING:nio.client.async_client:Timed out, sleeping for 60s
+WARNING:nio.client.async_client:Timed out, sleeping for 60s
+WARNING:nio.client.async_client:Timed out, sleeping for 60s

main.py

@@ -14,7 +14,7 @@ import logging
 from datetime import datetime
 import os
 
-from models import init_db, get_db, User, Conversation, Message, SystemConfig
+from models import init_db, get_db, SessionLocal, User, Conversation, Message, SystemConfig
 from services import ai_service, ConversationService, matrix_bot
 
 # 配置日志
@@ -83,15 +83,14 @@ async def admin(request: Request):
 
 # ==================== API路由 ====================
 
+# 固定主用户ID（与Matrix AI用户关联）
+MAIN_USER_ID = "main_user"
+
 @app.get("/api/conversations")
-async def get_conversations(user_id: str = None, db: Session = Depends(get_db)):
-    """获取会话列表"""
-    if not user_id:
-        # 临时用户ID（实际应用中应该从session获取）
-        user_id = "web_anonymous"
-    
+async def get_conversations(db: Session = Depends(get_db)):
+    """获取会话列表（使用固定主用户）"""
     conv_service = ConversationService(db)
-    user = conv_service.get_or_create_user(user_id, user_type='web')
+    user = conv_service.get_or_create_user(MAIN_USER_ID, display_name="主用户", user_type='web')
     conversations = conv_service.get_user_conversations(user.id)
     
     return {
@@ -106,15 +105,30 @@ async def get_conversations(user_id: str = None, db: Session = Depends(get_db)):
         ]
     }
 
+@app.get("/api/conversations/latest")
+async def get_latest_conversation(db: Session = Depends(get_db)):
+    """获取最新会话（用于Matrix同步）"""
+    conv_service = ConversationService(db)
+    user = conv_service.get_or_create_user(MAIN_USER_ID, display_name="主用户", user_type='web')
+    conversations = conv_service.get_user_conversations(user.id)
+    
+    if conversations:
+        latest = conversations[0]  # 已按更新时间倒序
+        return {
+            "conversation": {
+                "id": latest.conversation_id,
+                "title": latest.title or "新对话",
+                "updated_at": latest.updated_at.isoformat()
+            }
+        }
+    return {"conversation": None}
+
 
 @app.post("/api/conversations")
-async def create_conversation(user_id: str = None, db: Session = Depends(get_db)):
-    """创建新会话"""
-    if not user_id:
-        user_id = "web_anonymous"
-    
+async def create_conversation(db: Session = Depends(get_db)):
+    """创建新会话（使用固定主用户）"""
     conv_service = ConversationService(db)
-    user = conv_service.get_or_create_user(user_id, user_type='web')
+    user = conv_service.get_or_create_user(MAIN_USER_ID, display_name="主用户", user_type='web')
     conversation = conv_service.create_conversation(user.id)
     
     return {
@@ -165,10 +179,12 @@ async def delete_conversation(conversation_id: str, db: Session = Depends(get_db
 
 @app.websocket("/ws/{user_id}")
 async def websocket_endpoint(websocket: WebSocket, user_id: str, db: Session = Depends(get_db)):
-    """WebSocket连接 - 实时对话"""
-    await manager.connect(websocket, user_id)
+    """WebSocket连接 - 实时对话（所有连接使用主用户）"""
+    # 统一使用主用户ID
+    actual_user_id = MAIN_USER_ID
+    await manager.connect(websocket, actual_user_id)
     conv_service = ConversationService(db)
-    user = conv_service.get_or_create_user(user_id, user_type='web')
+    user = conv_service.get_or_create_user(MAIN_USER_ID, display_name="主用户", user_type='web')
     
     current_conversation_id = None
     
@@ -227,8 +243,8 @@ async def websocket_endpoint(websocket: WebSocket, user_id: str, db: Session = D
                     source='web'
                 )
                 
-                # 通知用户消息已收到
-                await manager.send_to_user(user_id, {
+                # 广播用户消息（同步到所有客户端）
+                await manager.send_to_user(MAIN_USER_ID, {
                     "type": "user_message",
                     "conversation_id": conversation_id,
                     "message": {
@@ -255,14 +271,15 @@ async def websocket_endpoint(websocket: WebSocket, user_id: str, db: Session = D
                         source='web'
                     )
                     
-                    # 发送AI回复
-                    await manager.send_to_user(user_id, {
+                    # 广播AI回复（同步到所有客户端）
+                    await manager.send_to_user(MAIN_USER_ID, {
                         "type": "assistant_message",
                         "conversation_id": conversation_id,
                         "message": {
                             "id": assistant_msg.id,
                             "role": "assistant",
                             "content": ai_response,
+                            "source": "web",
                             "created_at": assistant_msg.created_at.isoformat()
                         }
                     })
@@ -379,7 +396,15 @@ async def update_config(data: dict, db: Session = Depends(get_db)):
     
     db.commit()
     
-    # 如果更新了Matrix配置，重新连接
+    # 根据配置类型执行相应操作
+    if key.startswith('ai_'):
+        # 更新AI服务配置
+        configs = {c.key: c.value for c in db.query(SystemConfig).all()}
+        api_base = configs.get('ai_api_base', 'http://192.168.2.17:19007/v1')
+        api_key = configs.get('ai_api_key', 'xxxx')
+        model = configs.get('ai_model', 'auto')
+        ai_service.update_config(api_base, api_key, model)
+    
     if key.startswith('matrix_') and matrix_bot.is_running:
         await matrix_bot.disconnect()
         await matrix_bot.init_from_config()
@@ -389,42 +414,58 @@ async def update_config(data: dict, db: Session = Depends(get_db)):
 
 # ==================== Matrix消息处理回调 ====================
 
-async def handle_matrix_message(conversation_id: str, user_message: str, user_id: str, room_id: str):
+async def handle_matrix_message(action: str, conversation_id: str = None, user_message: str = None, room_id: str = None, message_id: int = None):
     """处理从Matrix收到的消息"""
-    db = SessionLocal()
-    try:
-        conv_service = ConversationService(db)
-        
-        # 获取会话历史
-        history = conv_service.get_conversation_history(conversation_id, limit=20)
-        
-        # 调用AI
-        ai_response = await ai_service.chat(history)
-        
-        # 保存AI回复
-        conversation = conv_service.get_conversation(conversation_id)
-        if conversation:
-            conv_service.add_message(
-                conversation_id=conversation.id,
-                role='assistant',
-                content=ai_response,
-                source='matrix'
-            )
-        
-        # 发送到Matrix
-        await matrix_bot.send_message(room_id, ai_response)
-        
-        # 同时推送到网页端
-        await manager.send_to_user(user_id, {
-            "type": "assistant_message",
-            "conversation_id": conversation_id,
-            "message": {
-                "role": "assistant",
-                "content": ai_response,
-                "source": "matrix",
-                "created_at": datetime.utcnow().isoformat()
-            }
+    
+    if action == "new_conversation":
+        # 创建新会话 - 通知WebSocket客户端
+        await manager.send_to_user(MAIN_USER_ID, {
+            "type": "new_conversation",
+            "conversation_id": conversation_id
         })
+        return
+    
+    if action == "chat":
+        db = SessionLocal()
+        try:
+            conv_service = ConversationService(db)
+            
+            # 获取会话历史
+            history = conv_service.get_conversation_history(conversation_id, limit=20)
+            
+            # 调用AI
+            ai_response = await ai_service.chat(history)
+            
+            # 保存AI回复
+            conversation = conv_service.get_conversation(conversation_id)
+            if conversation:
+                assistant_msg = conv_service.add_message(
+                    conversation_id=conversation.id,
+                    role='assistant',
+                    content=ai_response,
+                    source='matrix'
+                )
+                
+                # 发送到Matrix
+                await matrix_bot.send_message(room_id, ai_response)
+                
+                # 同步到网页端WebSocket
+                await manager.send_to_user(MAIN_USER_ID, {
+                    "type": "assistant_message",
+                    "conversation_id": conversation_id,
+                    "message": {
+                        "id": assistant_msg.id,
+                        "role": "assistant",
+                        "content": ai_response,
+                        "source": "matrix",
+                        "created_at": assistant_msg.created_at.isoformat()
+                    }
+                })
+        except Exception as e:
+            logger.error(f"处理Matrix消息失败: {e}")
+            await matrix_bot.send_message(room_id, f"处理消息时出错: {str(e)}")
+        finally:
+            db.close()
     
     except Exception as e:
         logger.error(f"处理Matrix消息失败: {e}")
@@ -440,6 +481,18 @@ async def startup():
     init_db()
     logger.info("数据库初始化完成")
     
+    # 从数据库加载AI配置
+    db = SessionLocal()
+    try:
+        configs = {c.key: c.value for c in db.query(SystemConfig).all()}
+        api_base = configs.get('ai_api_base', 'http://192.168.2.17:19007/v1')
+        api_key = configs.get('ai_api_key', 'xxxx')
+        model = configs.get('ai_model', 'auto')
+        ai_service.update_config(api_base, api_key, model)
+        logger.info(f"AI配置已加载: {api_base}, model={model}")
+    finally:
+        db.close()
+    
     # 初始化Matrix Bot
     await matrix_bot.init_from_config()
     if matrix_bot.is_running:

reset_config.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+"""重置配置 - 使用mock模式"""
+import sys
+sys.path.insert(0, '/home/xian/.openclaw/workspace-coder/works/ai-chat')
+
+from models import SessionLocal, SystemConfig, init_db
+
+init_db()
+db = SessionLocal()
+
+# 删除所有AI配置（让服务使用mock模式）
+keys_to_delete = ['ai_api_base', 'ai_api_key', 'ai_model']
+for key in keys_to_delete:
+    c = db.query(SystemConfig).filter(SystemConfig.key == key).first()
+    if c:
+        db.delete(c)
+
+# 保留Matrix配置
+print("当前配置:")
+for c in db.query(SystemConfig).all():
+    print(f"  {c.key}: {c.value[:20]}...")
+
+db.commit()
+print("\nAI将使用mock模式（因为没有配置AI API）")
+db.close()

services/ai_service.py

@@ -2,27 +2,40 @@
 AI服务 - 调用大模型API
 """
 import httpx
-from typing import List, Dict, Optional
+from typing import List, Dict, AsyncGenerator
 import json
+import logging
+
+logger = logging.getLogger(__name__)
 
 
 class AIService:
-    def __init__(self, api_base: str = "http://192.168.2.17:19007/v1", api_key: str = "sk-local", model: str = "qwen3.5-4b"):
+    def __init__(self):
+        self.api_base = ""
+        self.api_key = ""
+        self.model = ""
+        self.use_mock = True
+    
+    def update_config(self, api_base: str, api_key: str, model: str):
+        """更新配置"""
         self.api_base = api_base
         self.api_key = api_key
         self.model = model
+        # 如果配置完整则使用真实API，否则使用mock
+        self.use_mock = not (api_base and model)
+        logger.info(f"AI配置已更新: api_base={api_base}, model={model}, use_mock={self.use_mock}")
     
-    async def chat(self, messages: List[Dict], stream: bool = False) -> str:
+    async def chat(self, messages: List[Dict]) -> str:
         """
         调用AI模型进行对话
-        
-        Args:
-            messages: 对话历史 [{"role": "user", "content": "..."}]
-            stream: 是否流式输出
-        
-        Returns:
-            AI回复内容
         """
+        # 如果使用mock模式，返回模拟回复
+        if self.use_mock:
+            logger.info("使用Mock模式回复")
+            last_msg = messages[-1]['content'] if messages else "你好"
+            return f"这是一个测试回复。您说的是：{last_msg}\n\n请配置有效的AI服务地址和模型，才能获得真正的AI回复。"
+        
+        # 调用真实API
         url = f"{self.api_base}/chat/completions"
         headers = {
             "Authorization": f"Bearer {self.api_key}",
@@ -31,21 +44,35 @@ class AIService:
         payload = {
             "model": self.model,
             "messages": messages,
-            "stream": stream,
             "temperature": 0.7,
             "max_tokens": 2000
         }
         
-        async with httpx.AsyncClient(timeout=60.0) as client:
-            response = await client.post(url, headers=headers, json=payload)
-            response.raise_for_status()
-            data = response.json()
-            return data['choices'][0]['message']['content']
+        logger.info(f"调用AI API: {url}, model={self.model}")
+        
+        try:
+            async with httpx.AsyncClient(timeout=60.0) as client:
+                response = await client.post(url, headers=headers, json=payload)
+                response.raise_for_status()
+                data = response.json()
+                return data['choices'][0]['message']['content']
+        except Exception as e:
+            logger.error(f"AI API调用失败: {e}")
+            # API失败时返回模拟回复
+            last_msg = messages[-1]['content'] if messages else "你好"
+            return f"AI服务暂时不可用（错误：{str(e)}）。您说的是：{last_msg}"
     
-    async def chat_stream(self, messages: List[Dict]):
+    async def chat_stream(self, messages: List[Dict]) -> AsyncGenerator[str, None]:
         """
         流式调用AI模型
         """
+        if self.use_mock:
+            last_msg = messages[-1]['content'] if messages else "你好"
+            reply = f"这是一个测试回复。您说的是：{last_msg}"
+            for char in reply:
+                yield char
+            return
+        
         url = f"{self.api_base}/chat/completions"
         headers = {
             "Authorization": f"Bearer {self.api_key}",

services/matrix_service.py

@@ -1,17 +1,21 @@
 """
 Matrix Bot 服务 - 处理Matrix消息收发
+所有消息都同步到主用户的最新会话
 """
 import asyncio
 import json
 from typing import Optional, Callable
-from nio import AsyncClient, MatrixRoom, RoomMessageText, LoginResponse, SyncResponse
+from nio import AsyncClient, MatrixRoom, RoomMessageText, LoginResponse
 import logging
 
-from models import SessionLocal, User, Conversation, Message, MatrixRoomMapping, SystemConfig
+from models import SessionLocal, User, Conversation, Message, SystemConfig
 from services.conversation_service import ConversationService
 
 logger = logging.getLogger(__name__)
 
+# 主用户ID
+MAIN_USER_ID = "main_user"
+
 
 class MatrixBot:
     def __init__(self):
@@ -19,6 +23,7 @@ class MatrixBot:
         self.homeserver: str = ""
         self.username: str = ""
         self.password: str = ""
+        self.access_token: str = ""
         self.is_running: bool = False
         self.on_message_callback: Optional[Callable] = None
     
@@ -30,8 +35,9 @@ class MatrixBot:
             self.homeserver = configs.get('matrix_homeserver', 'https://matrix.tphai.com')
             self.username = configs.get('matrix_username', '')
             self.password = configs.get('matrix_password', '')
+            self.access_token = configs.get('matrix_access_token', '')
             
-            if self.username and self.password:
+            if self.username and (self.password or self.access_token):
                 await self.connect()
         finally:
             db.close()
@@ -43,7 +49,19 @@ class MatrixBot:
             return False
         
         try:
-            self.client = AsyncClient(self.homeserver, self.username)
+            self.client = AsyncClient(
+                self.homeserver, 
+                self.username,
+                store_path="/tmp/matrix_store"
+            )
+            
+            if self.access_token:
+                self.client.access_token = self.access_token
+                self.client.user_id = self.username
+                logger.info(f"Matrix已设置access_token: {self.username}")
+                self.is_running = True
+                return True
+            
             response = await self.client.login(self.password)
             
             if isinstance(response, LoginResponse):
@@ -60,6 +78,7 @@ class MatrixBot:
     async def start_sync(self, message_handler: Callable = None):
         """开始同步消息"""
         if not self.client:
+            logger.warning("Matrix客户端未初始化")
             return
         
         self.on_message_callback = message_handler
@@ -67,61 +86,90 @@ class MatrixBot:
         # 注册消息处理器
         self.client.add_event_callback(self._handle_room_message, RoomMessageText)
         
-        # 开始同步循环
-        await self.client.sync_forever(timeout=30000)
+        try:
+            await self.client.sync(timeout=10000)
+            logger.info("Matrix初始同步完成")
+        except Exception as e:
+            logger.warning(f"Matrix初始同步失败: {e}")
+        
+        asyncio.create_task(self._sync_loop())
+        logger.info("Matrix同步任务已启动")
+    
+    async def _sync_loop(self):
+        """后台同步循环"""
+        while self.is_running:
+            try:
+                await self.client.sync(timeout=5000)
+                await asyncio.sleep(1)
+            except Exception as e:
+                logger.warning(f"Matrix同步错误: {e}")
+                await asyncio.sleep(5)
     
     async def _handle_room_message(self, room: MatrixRoom, event: RoomMessageText):
-        """处理收到的房间消息"""
+        """处理Matrix消息 - 所有消息同步到主用户最新会话"""
         # 忽略自己发送的消息
         if event.sender == self.username:
             return
         
+        message_text = event.body.strip()
+        
         db = SessionLocal()
         try:
             conv_service = ConversationService(db)
             
-            # 获取或创建Matrix用户
-            matrix_user_id = event.sender
-            user = conv_service.get_or_create_user(
-                user_id=matrix_user_id,
-                display_name=room.users.get(matrix_user_id, {}).get('display_name', matrix_user_id),
-                user_type='matrix',
-                matrix_user_id=matrix_user_id
+            # 使用固定主用户
+            main_user = conv_service.get_or_create_user(
+                MAIN_USER_ID, 
+                display_name="主用户", 
+                user_type='web'
             )
             
-            # 获取或创建房间映射
-            mapping = db.query(MatrixRoomMapping).filter(
-                MatrixRoomMapping.room_id == room.room_id
-            ).first()
+            # 处理 /new 命令 - 创建新会话，不回复
+            if message_text == "/new":
+                conversation = conv_service.create_conversation(main_user.id)
+                await self.send_message(room.room_id, "✅ 已创建新会话")
+                logger.info(f"Matrix创建新会话: {conversation.conversation_id}")
+                
+                # 通知WebSocket客户端
+                if self.on_message_callback:
+                    await self.on_message_callback(
+                        action="new_conversation",
+                        conversation_id=conversation.conversation_id,
+                        room_id=room.room_id
+                    )
+                return
             
-            if not mapping:
-                # 为这个房间创建新会话
-                conversation = conv_service.create_conversation(user.id, title=f"Matrix: {room.display_name}")
-                mapping = MatrixRoomMapping(
-                    room_id=room.room_id,
-                    user_id=user.id,
-                    conversation_id=conversation.id
-                )
-                db.add(mapping)
-                db.commit()
-                db.refresh(mapping)
+            # 获取最新会话
+            conversations = conv_service.get_user_conversations(main_user.id)
+            if not conversations:
+                # 如果没有会话，创建一个
+                conversation = conv_service.create_conversation(main_user.id)
+            else:
+                conversation = conversations[0]  # 最新会话
             
             # 保存用户消息
-            conv_service.add_message(
-                conversation_id=mapping.conversation_id,
+            user_msg = conv_service.add_message(
+                conversation_id=conversation.id,
                 role='user',
-                content=event.body,
+                content=message_text,
                 source='matrix',
-                extra_data={'event_id': event.event_id, 'room_id': room.room_id}
+                extra_data={
+                    'event_id': event.event_id, 
+                    'room_id': room.room_id,
+                    'sender': event.sender
+                }
             )
             
-            # 调用外部消息处理器
+            logger.info(f"Matrix消息保存到会话 {conversation.conversation_id}")
+            
+            # 调用消息处理器（获取AI回复并同步）
             if self.on_message_callback:
                 await self.on_message_callback(
-                    conversation_id=mapping.conversation.conversation_id,
-                    user_message=event.body,
-                    user_id=user.user_id,
-                    room_id=room.room_id
+                    action="chat",
+                    conversation_id=conversation.conversation_id,
+                    user_message=message_text,
+                    room_id=room.room_id,
+                    message_id=user_msg.id
                 )
         finally:
             db.close()
@@ -145,28 +193,12 @@ class MatrixBot:
             logger.error(f"发送Matrix消息失败: {e}")
             return False
     
-    async def get_room_id_for_user(self, user_matrix_id: str) -> Optional[str]:
-        """获取与用户的对话房间ID"""
-        db = SessionLocal()
-        try:
-            user = db.query(User).filter(User.matrix_user_id == user_matrix_id).first()
-            if user:
-                mapping = db.query(MatrixRoomMapping).filter(
-                    MatrixRoomMapping.user_id == user.id
-                ).first()
-                if mapping:
-                    return mapping.room_id
-            return None
-        finally:
-            db.close()
-    
     async def disconnect(self):
         """断开连接"""
         if self.client:
-            await self.client.logout()
-            await self.client.close()
-            self.is_running = False
-
-
-# 全局实例
-matrix_bot = MatrixBot()
+            try:
+                await self.client.logout()
+                await self.client.close()
+            except:
+                pass
+            self.is_running = False

templates/index.html

@@ -341,20 +341,39 @@
     </div>
 
     <script>
-        // 全局变量
+        // 全局变量 - 使用固定主用户（与Matrix AI用户相同）
         let ws = null;
-        let userId = 'web_' + Math.random().toString(36).substr(2, 9);
+        let userId = 'main_user';  // 固定主用户ID
         let currentConversationId = null;
         let conversations = [];
         
         // 初始化
         document.addEventListener('DOMContentLoaded', () => {
-            document.getElementById('userIdDisplay').textContent = `用户: ${userId}`;
+            document.getElementById('userIdDisplay').textContent = '主用户模式';
             connectWebSocket();
             loadConversations();
             setupTextarea();
+            
+            // 监听最新会话更新
+            setInterval(checkLatestConversation, 2000);
         });
         
+        // 检查最新会话（用于Matrix同步）
+        async function checkLatestConversation() {
+            try {
+                const response = await fetch('/api/conversations/latest');
+                if (response.ok) {
+                    const data = await response.json();
+                    if (data.conversation && data.conversation.id !== currentConversationId) {
+                        // 有新会话，自动切换
+                        selectConversation(data.conversation.id);
+                    }
+                }
+            } catch (error) {
+                // 忽略错误
+            }
+        }
+        
         // WebSocket连接
         function connectWebSocket() {
             const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
@@ -391,8 +410,27 @@
                     loadConversations();
                     break;
                     
+                case 'new_conversation':
+                    // Matrix创建了新会话，自动切换
+                    currentConversationId = data.conversation_id;
+                    loadConversations();
+                    // 清空消息区域
+                    const container = document.getElementById('messagesContainer');
+                    container.innerHTML = `
+                        <div class="welcome">
+                            <h2>👋 开始新对话</h2>
+                            <p>输入您的问题开始对话</p>
+                        </div>
+                    `;
+                    break;
+                    
                 case 'user_message':
                     appendMessage('user', data.message.content, data.message.source);
+                    // 如果消息来自Matrix，切换到对应会话
+                    if (data.message.source === 'matrix' && data.conversation_id) {
+                        currentConversationId = data.conversation_id;
+                        renderConversations();
+                    }
                     break;
                     
                 case 'assistant_message':
@@ -451,10 +489,15 @@
         // 加载会话列表
         async function loadConversations() {
             try {
-                const response = await fetch('/api/conversations?user_id=' + userId);
+                const response = await fetch('/api/conversations');
                 const data = await response.json();
                 conversations = data.conversations;
                 renderConversations();
+                
+                // 如果没有当前会话且有会话列表，自动选择最新的
+                if (!currentConversationId && conversations.length > 0) {
+                    selectConversation(conversations[0].id);
+                }
             } catch (error) {
                 console.error('加载会话失败:', error);
             }
@@ -496,7 +539,7 @@
         // 创建新会话
         async function createNewConversation() {
             try {
-                const response = await fetch('/api/conversations?user_id=' + userId, {
+                const response = await fetch('/api/conversations', {
                     method: 'POST'
                 });
                 const data = await response.json();