Build 2502262321: fix auto-search quality and per-user toggle

backend/app/clients/base.py

@@ -30,3 +30,14 @@ class ApiClient:
             response = await client.post(url, headers=self.headers(), json=payload)
             response.raise_for_status()
             return response.json()
+
+    async def put(self, path: str, payload: Optional[Dict[str, Any]] = None) -> Optional[Any]:
+        if not self.base_url:
+            return None
+        url = f"{self.base_url}{path}"
+        async with httpx.AsyncClient(timeout=10.0) as client:
+            response = await client.put(url, headers=self.headers(), json=payload)
+            response.raise_for_status()
+            if not response.content:
+                return None
+            return response.json()