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  "message": "OK",
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  "server_id": "legacy-api-01",
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      "change_freq": "daily",
      "priority": 1.0
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      "loc": "https://www.example.com/about",
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      "change_freq": "monthly",
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      "loc": "https://www.example.com/products",
      "last_mod": "2026-10-01",
      "change_freq": "weekly",
      "priority": 0.9
    },
    {
      "loc": "https://www.example.com/blog",
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      "change_freq": "daily",
      "priority": 0.7
    }
  ],
  "audit": {
    "processed_by": "sitemap_service",
    "processing_time_ms": 123,
    "response_size_bytes": 842
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}