lakehouse/data/_catalog/manifests/14698884-071c-4adb-ae50-cfb8d885656c.json
root f9f92706f3 RAG reranker + manifest bucket fix — quality improvements from eval
RAG pipeline now includes a cross-encoder rerank step between retrieval
and generation. The LLM re-sorts top-K results by relevance before
they become context. Falls back to original order if model output is
unparseable (~5% with 7B models). Also improved the generation prompt
to be domain-aware ("staffing database") and request specific citations.

Fixed 4 catalog manifests with bucket="data" (pre-federation leftover)
that poisoned the entire DataFusion query context on startup. The
"users", "lab_trials", "meta_runs", and "new_candidates" datasets
now correctly reference bucket="primary". This bug was surfaced by
the quality evaluation pipeline — wouldn't have been found by
structural tests alone.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-16 22:19:11 -05:00

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{
"id": "14698884-071c-4adb-ae50-cfb8d885656c",
"name": "kb_response_cache",
"schema_fingerprint": "c90d7be310b5025d2c4d398cf07692d8d9bb46ed591c0a87b339bafcac9ddeed",
"objects": [
{
"bucket": "primary",
"key": "datasets/kb_response_cache.parquet",
"size_bytes": 8360233,
"created_at": "2026-04-17T02:54:43.145342968Z"
}
],
"created_at": "2026-04-17T02:54:43.145343876Z",
"updated_at": "2026-04-17T02:54:43.145629696Z",
"description": "",
"owner": "",
"sensitivity": null,
"columns": [
{
"name": "id",
"data_type": "Int32",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "cache_key",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "prompt",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "mode",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "models_used",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "best_run_id",
"data_type": "Int32",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "best_score",
"data_type": "Float64",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "responses",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "hit_count",
"data_type": "Int32",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "created_at",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "updated_at",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
}
],
"lineage": {
"source_system": "postgresql",
"source_file": "dsn: postgresql://kbuser@localhost:5432/knowledge_base",
"ingest_job": "pg-stream-1776394483145",
"ingest_timestamp": "2026-04-17T02:54:43.145342968Z",
"parent_datasets": []
},
"freshness": null,
"tags": [],
"row_count": 195,
"last_embedded_at": null,
"embedding_stale_since": null,
"embedding_refresh_policy": null
}