Add CORS middleware to main.py for auth endpoints

app/main.py

@@ -46,6 +46,16 @@ logger = logging.getLogger(__name__)
 # -------------------------------------------------
 app = FastAPI(title="Text-Guided Image Colorization API")
 
+# CORS middleware
+from fastapi.middleware.cors import CORSMiddleware
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
 # -------------------------------------------------
 # 🔐 Firebase Initialization (ENV-based)
 # -------------------------------------------------