Get Reindex Status

{  "count_needing_reindex": 0,  "sample_memories": [    {}  ],  "has_memories_needing_reindex": true,  "all_memory_ids": [    "string"  ]}

{  "detail": [    {      "loc": [        "string"      ],      "msg": "string",      "type": "string",      "input": null,      "ctx": {}    }  ]}