Update app.py

app.py

@@ -41,6 +41,8 @@ key_status: Dict[str, Dict] = {
 # ─────────────────────────────
 def auth(req: Request):
     auth_header = req.headers.get("Authorization", "").replace("Bearer ", "")
+    # DEBUG
+    print(f"[AUTH] client_key={auth_header[:15]}..., MASTER={MASTER_API_KEY[:15]}..., API_KEYS_COUNT={len(API_KEYS)}")
     # Accept if: (1) it's a valid backend key OR (2) it's master key
     if auth_header not in API_KEYS and auth_header != MASTER_API_KEY:
         raise HTTPException(401, "Unauthorized")
@@ -90,6 +92,7 @@ async def proxy(req: Request, path: str):
             return JSONResponse({"error": "all keys failed"}, status_code=503)
 
         headers["Authorization"] = f"Bearer {key}"
+        print(f"[PROXY] trying key={key[:15]}... -> {BASE_URL}")
 
         try:
             async with httpx.AsyncClient(timeout=60) as client:
@@ -138,7 +141,7 @@ async def proxy(req: Request, path: str):
             key_status[key]["fail"] += 1
             if key_status[key]["fail"] >= 3:
                 mark_dead(key)
-            print(f"[ERROR] key={key[:10]} -> {e}")
+            print(f"[ERROR] key={key[:15]} -> {type(e).__name__}: {e}")
             continue
 
     return JSONResponse(