fix(naver-fetch): ingest 응답 필드 matched→queued (BE async 8e28ce9 정합)

services/naver-fetch/tests/test_fetch_worker.py

@@ -31,7 +31,7 @@ class _FakeNAS:
     async def post_ingest(self, fetched_at, batches):
         self.ingests.append({"fetched_at": fetched_at, "batches": batches})
         n = sum(len(b["articles"]) for b in batches)
-        return {"received": n, "new": n, "matched": 0}
+        return {"received": n, "new": n, "queued": True}
 
 
 class _FakeNaver: