Fix: Geburtstags-KI — Rate-Limit entfernt, KI_MODE=cloud auf Staging, bessere Fehlermeldungen (SW by-v781)

backend/routes/ki.py

@@ -195,9 +195,6 @@ async def ki_geburtstag(req: BirthdayRequest, request: Request,
     if cached:
         return {"answer": cached["content"], "cached": True}
 
-    # Rate-Limit: 1 Generierung pro Tag pro User
-    rl_check(request, max_requests=1, window_seconds=86400, key=f"ki_bday_{req.dog_id}_{mode}")
-
     name  = req.name.strip()[:40] or "deinen Hund"
     rasse = req.rasse or None
     alter = req.alter