fix: the front end

main.py

@@ -4,10 +4,8 @@ from pathlib import Path
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 
-# Add the current directory to sys.path
 sys.path.append(str(Path(__file__).parent))
 
-# --- SMART IMPORT LOGIC ---
 try:
     from core.database import engine, Base
     from api.invoices import router as invoice_router
@@ -15,21 +13,21 @@ except ImportError:
     from backend.core.database import engine, Base
     from backend.api.invoices import router as invoice_router
 
-# Initialize Database
 Base.metadata.create_all(bind=engine)
 
-app = FastAPI(title="SmiloCAD API")
+app = FastAPI(title="SmiloCAD API", redirect_slashes=False)
 
-# Add CORS so your frontend can talk to your backend without security blocks
 app.add_middleware(
     CORSMiddleware,
-    allow_origins=["*"],
+    allow_origins=[
+        "https://smilocard.vercel.app",
+    ],
     allow_methods=["*"],
     allow_headers=["*"],
 )
 
-# NOTE: We removed @app.get("/") and app.mount
-# Why? Because vercel.json rewrites handle the frontend files better than Python can.
+@app.get("/")
+def root():
+    return {"status": "SmiloCAD API running"}
 
-# Include Router with /api prefix
 app.include_router(invoice_router, prefix="/api")