Stabilize source health monitoring

scripts/intel/sources/runner.py

@@ -177,15 +177,10 @@ def probe_source(system: Dict[str, Any], source: Dict[str, Any]) -> Dict[str, An
         packages = system.get("package_names", [])
         if not packages:
             return {"kind": kind, "items_seen": 0}
-        response = request(
-            "POST",
-            osv_api.QUERY_BATCH_URL,
-            source=source,
-            json={"queries": [{"package": {"name": packages[0]["name"], "ecosystem": packages[0]["ecosystem"]}}]},
-            headers={"User-Agent": "websafe-intel"},
+        payload = osv_api.request_querybatch_json(
+            source,
+            [{"package": {"name": packages[0]["name"], "ecosystem": packages[0]["ecosystem"]}}],
         )
-        response.raise_for_status()
-        payload = response.json()
         if not isinstance(payload, dict):
             raise ValueError("OSV probe returned non-object payload")
         return {"kind": kind, "items_seen": len(payload.get("results", []))}