{
    "summary": [
        {
            "name": "knowledge_bases",
            "title": "知识库",
            "primary": ["id"]
        }
    ],
    "fields": [
        {"name": "id", "title": "ID", "type": "str", "length": 32},
        {"name": "name", "title": "名称", "type": "str", "length": 100},
        {"name": "description", "title": "描述", "type": "text", "length": 2000},
        {"name": "org_id", "title": "所属机构", "type": "str", "length": 32},
        {"name": "embedding_engine", "title": "向量化引擎", "type": "str", "length": 64, "default": "clip-vith14"},
        {"name": "vdb_collection", "title": "向量库集合名", "type": "str", "length": 128},
        {"name": "graph_name", "title": "图名称", "type": "str", "length": 128},
        {"name": "doc_count", "title": "文档数", "type": "int", "default": 0},
        {"name": "chunk_count", "title": "分片数", "type": "int", "default": 0},
        {"name": "total_size", "title": "总大小(字节)", "type": "int", "default": 0},
        {"name": "status", "title": "状态", "type": "str", "length": 16, "default": "active"},
        {"name": "created_by", "title": "创建人", "type": "str", "length": 32},
        {"name": "created_at", "title": "创建时间", "type": "datetime"},
        {"name": "updated_at", "title": "更新时间", "type": "datetime"}
    ],
    "codes": [
        {"field": "status", "table": "appcodes_kv", "valuefield": "k", "textfield": "v", "cond": "parentid='kb_status'"}
    ],
    "indexes": [
        {"name": "idx_kb_org", "idxtype": "index", "idxfields": ["org_id"]},
        {"name": "idx_kb_name", "idxtype": "unique", "idxfields": ["org_id", "name"]}
    ]
}