fix:bug

backend/app/main.py

@@ -0,0 +1,48 @@
+import os
+from pathlib import Path
+from typing import List
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.staticfiles import StaticFiles
+
+from backend.app.routers import customers, projects, finance
+
+
+def create_app() -> FastAPI:
+    app = FastAPI(
+        title="Ops-Core",
+        description="Monolithic automation & business ops platform",
+        version="0.1.0",
+    )
+
+    # CORS
+    raw_origins = os.getenv("CORS_ORIGINS")
+    if raw_origins:
+        origins: List[str] = [o.strip() for o in raw_origins.split(",") if o.strip()]
+    else:
+        origins = ["*"]
+
+    app.add_middleware(
+        CORSMiddleware,
+        allow_origins=origins,
+        allow_credentials=True,
+        allow_methods=["*"],
+        allow_headers=["*"],
+    )
+
+    # Routers
+    app.include_router(customers.router)
+    app.include_router(projects.router)
+    app.include_router(finance.router)
+
+    # Static data mount (for quotes, contracts, finance archives, etc.)
+    data_dir = Path("data")
+    data_dir.mkdir(parents=True, exist_ok=True)
+    app.mount("/data", StaticFiles(directory=str(data_dir)), name="data")
+
+    return app
+
+
+app = create_app()
+