feat: 增强 Agent 系统和完善项目结构

主要改进:
- Agent 增强: 订单查询、售后支持、客服路由等功能优化
- 新增语言检测和 Token 管理模块
- 改进 Chatwoot webhook 处理和用户标识
- MCP 服务器增强: 订单 MCP 和 Strapi MCP 功能扩展
- 新增商城客户端、知识库、缓存和同步模块
- 添加多语言提示词系统 (YAML)
- 完善项目结构: 整理文档、脚本和测试文件
- 新增调试和测试工具脚本

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

mcp_servers/strapi_mcp/server.py

@@ -3,7 +3,9 @@ Strapi MCP Server - FAQ and Knowledge Base
 """
 import sys
 import os
+import asyncio
 from typing import Optional
+from datetime import datetime
 
 # Add shared module to path
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
@@ -13,6 +15,7 @@ from pydantic_settings import BaseSettings
 from fastapi import Request
 from starlette.responses import JSONResponse
 import uvicorn
+from apscheduler.schedulers.asyncio import AsyncIOScheduler
 
 
 from pydantic import ConfigDict
@@ -23,7 +26,9 @@ class Settings(BaseSettings):
     strapi_api_url: str
     strapi_api_token: str
     log_level: str = "INFO"
-    
+    sync_interval_minutes: int = 60  # Sync every 60 minutes
+    sync_on_startup: bool = True  # Run initial sync on startup
+
     model_config = ConfigDict(env_file=".env")
 
 
@@ -196,6 +201,55 @@ async def health_check() -> dict:
     }
 
 
+# ============ Sync Scheduler ============
+
+scheduler = AsyncIOScheduler()
+
+
+async def run_scheduled_sync():
+    """Run scheduled sync from Strapi to local knowledge base"""
+    try:
+        from sync import StrapiSyncer
+        from knowledge_base import get_kb
+
+        kb = get_kb()
+        syncer = StrapiSyncer(kb)
+
+        print(f"[{datetime.now()}] Starting scheduled sync...")
+        result = await syncer.sync_all()
+
+        if result["success"]:
+            print(f"[{datetime.now()}] Sync completed successfully")
+        else:
+            print(f"[{datetime.now()}] Sync failed: {result.get('error', 'Unknown error')}")
+    except Exception as e:
+        print(f"[{datetime.now()}] Sync error: {e}")
+
+
+async def run_initial_sync():
+    """Run initial sync on startup if enabled"""
+    if settings.sync_on_startup:
+        print("Running initial sync on startup...")
+        await run_scheduled_sync()
+        print("Initial sync completed")
+
+
+def start_scheduler():
+    """Start the background sync scheduler"""
+    if settings.sync_interval_minutes > 0:
+        scheduler.add_job(
+            run_scheduled_sync,
+            'interval',
+            minutes=settings.sync_interval_minutes,
+            id='strapi_sync',
+            replace_existing=True
+        )
+        scheduler.start()
+        print(f"Sync scheduler started (interval: {settings.sync_interval_minutes} minutes)")
+    else:
+        print("Sync scheduler disabled (interval set to 0)")
+
+
 if __name__ == "__main__":
 
     # Create FastAPI app from MCP
@@ -252,9 +306,23 @@ if __name__ == "__main__":
 
     # Add routes using the correct method
     from fastapi import FastAPI
+    from contextlib import asynccontextmanager
+
+    # Lifespan context manager for startup/shutdown events
+    @asynccontextmanager
+    async def lifespan(app: FastAPI):
+        # Startup: start scheduler and run initial sync
+        start_scheduler()
+        if settings.sync_on_startup:
+            print("Running initial sync on startup...")
+            await run_scheduled_sync()
+            print("Initial sync completed")
+        yield
+        # Shutdown: stop scheduler
+        scheduler.shutdown()
 
     # Create a wrapper FastAPI app with custom routes first
-    app = FastAPI()
+    app = FastAPI(lifespan=lifespan)
 
     # Add custom routes BEFORE mounting mcp_app
     app.add_route("/health", health_check, methods=["GET"])