lakehouse/data/_catalog/manifests/e959ca11-9f6b-4843-864a-cc3f50a8aa60.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": "e959ca11-9f6b-4843-864a-cc3f50a8aa60",
"name": "email_log",
"schema_fingerprint": "b28cbe711bba32611306f9a3186f67c1510c3e39b0c8812d765fe2b44bd65634",
"objects": [
{
"bucket": "primary",
"key": "datasets/email_log.parquet",
"size_bytes": 16768671,
"created_at": "2026-03-27T14:42:49.271082991Z"
}
],
"created_at": "2026-03-27T14:42:49.271091077Z",
"updated_at": "2026-04-17T02:45:57.881479855Z",
"description": "",
"owner": "",
"sensitivity": null,
"columns": [
{
"name": "email_id",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "from_addr",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "to_addr",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "subject",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "timestamp",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "recruiter",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "candidate_id",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "opened",
"data_type": "Boolean",
"sensitivity": null,
"description": "",
"is_pii": false
}
],
"lineage": null,
"freshness": null,
"tags": [],
"row_count": 500000,
"last_embedded_at": null,
"embedding_stale_since": null,
"embedding_refresh_policy": null
}