fix: increase Ollama HTTP client timeout to 30.0s to handle model cold starts resiliently

webapp/tipitaka-api/app/services/query_transform_service.py

@@ -66,7 +66,7 @@ class QueryTransformService:
             "stream": False,
             "options": {"num_predict": 80, "temperature": 0}
         }
-        async with httpx.AsyncClient(timeout=10.0) as client:
+        async with httpx.AsyncClient(timeout=30.0) as client:
             resp = await client.post(url, json=payload)
             raw = resp.json()["message"]["content"].strip()
         return self._parse_json(raw, query)