first commit

backend/app/main.py

@@ -0,0 +1,36 @@
+from contextlib import asynccontextmanager
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from app.api.v1.router import api_router
+from app.core.config import settings
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    settings.upload_path  # ensure upload dir exists
+    yield
+
+
+app = FastAPI(
+    title="智析反诈",
+    description="受害人被骗金额归集智能体 API",
+    version="0.1.0",
+    lifespan=lifespan,
+)
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+app.include_router(api_router, prefix="/api/v1")
+
+
+@app.get("/health")
+async def health():
+    return {"status": "ok"}