Update app.py

app.py

@@ -29,6 +29,8 @@ print(f"[BOOT] POINTER_URL={POINTER_URL or '(unset)'}")
 print(f"[BOOT] FALLBACK_BASE={FALLBACK_BASE}")
 _backend_url_cache = {"url": None, "ts": 0.0}
 
+# <<< IMPORTANT : créer l'app AVANT tout décorateur @app.* >>>
+app = FastAPI(title="Video Editor API", version="0.5.9")
 
 # --- Instance ID (utile si plusieurs répliques derrière un proxy) -------------
 INSTANCE_ID = os.getenv("INSTANCE_ID", uuid.uuid4().hex[:6])
@@ -43,8 +45,6 @@ async def inject_instance_id_header(request: Request, call_next):
     return resp
 # ------------------------------------------------------------------------------
 
-
-
 def get_backend_base() -> str:
     try:
         if POINTER_URL:
@@ -63,7 +63,6 @@ def get_backend_base() -> str:
     except Exception:
         return FALLBACK_BASE
 
-app = FastAPI(title="Video Editor API", version="0.5.9")
 DATA_DIR = Path("/app/data")
 THUMB_DIR = DATA_DIR / "_thumbs"
 MASK_DIR = DATA_DIR / "_masks"
@@ -73,6 +72,7 @@ for p in (DATA_DIR, THUMB_DIR, MASK_DIR):
 app.mount("/data", StaticFiles(directory=str(DATA_DIR)), name="data")
 app.mount("/thumbs", StaticFiles(directory=str(THUMB_DIR)), name="thumbs")
 
+
 # --- PROXY VERS LE BACKEND (pas de CORS côté navigateur) --------------------
 @app.api_route("/p/{full_path:path}", methods=["GET","POST","PUT","PATCH","DELETE","OPTIONS"])
 async def proxy_all(full_path: str, request: Request):