Initial commit: 浼佷笟寰俊 AI 鏈哄櫒浜哄姪鐞?MVP

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/main.py

@@ -0,0 +1,68 @@
+from fastapi import FastAPI, Request
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.responses import JSONResponse
+from fastapi.exceptions import RequestValidationError
+from starlette.exceptions import HTTPException as StarletteHTTPException
+
+from app.routers import auth, wecom
+from app.routers.admin import sessions, tickets, kb, settings, users
+from app.logging_config import get_trace_id
+
+app = FastAPI(title="企微AI助手", version="0.1.0")
+
+# CORS 必须在最前面
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+
+@app.exception_handler(StarletteHTTPException)
+async def http_exception_handler(request: Request, exc: StarletteHTTPException):
+    return JSONResponse(
+        status_code=exc.status_code,
+        content={"code": exc.status_code, "message": str(exc.detail), "data": None, "trace_id": get_trace_id()},
+        headers={"Access-Control-Allow-Origin": "*"},
+    )
+
+
+@app.exception_handler(RequestValidationError)
+async def validation_exception_handler(request: Request, exc: RequestValidationError):
+    return JSONResponse(
+        status_code=422,
+        content={"code": 422, "message": "参数校验失败", "data": exc.errors(), "trace_id": get_trace_id()},
+        headers={"Access-Control-Allow-Origin": "*"},
+    )
+
+
+@app.exception_handler(Exception)
+async def global_exception_handler(request: Request, exc: Exception):
+    import traceback
+    traceback.print_exc()
+    return JSONResponse(
+        status_code=500,
+        content={"code": 500, "message": str(exc), "data": None, "trace_id": get_trace_id()},
+        headers={"Access-Control-Allow-Origin": "*"},
+    )
+
+
+app.include_router(auth.router, prefix="/api/auth", tags=["auth"])
+app.include_router(wecom.router, prefix="/api/wecom", tags=["wecom"])
+app.include_router(sessions.router, prefix="/api/admin", tags=["admin"])
+app.include_router(tickets.router, prefix="/api/admin", tags=["admin"])
+app.include_router(kb.router, prefix="/api/admin", tags=["admin"])
+app.include_router(settings.router, prefix="/api/admin", tags=["admin"])
+app.include_router(users.router, prefix="/api/admin", tags=["admin"])
+
+
+@app.get("/api/health")
+def health():
+    return {"status": "up", "service": "backend"}
+
+
+@app.get("/api/ready")
+def ready():
+    return {"ready": True, "service": "backend"}