lakehouse/data/_catalog/manifests/0fd78303-9ad4-45fd-90d7-db95607d9ab1.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": "0fd78303-9ad4-45fd-90d7-db95607d9ab1",
"name": "timesheets",
"schema_fingerprint": "806946533e133a4dd032f500644c9f702a46151fbb5bbd3b503c207dac86893b",
"objects": [
{
"bucket": "primary",
"key": "datasets/timesheets.parquet",
"size_bytes": 17539932,
"created_at": "2026-03-27T14:42:43.922019299Z"
}
],
"created_at": "2026-03-27T14:42:43.922025703Z",
"updated_at": "2026-04-17T02:45:58.282412872Z",
"description": "",
"owner": "",
"sensitivity": null,
"columns": [
{
"name": "timesheet_id",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "placement_id",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "candidate_id",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "client_id",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "hours_regular",
"data_type": "Float64",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "hours_overtime",
"data_type": "Float64",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "bill_total",
"data_type": "Float64",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "pay_total",
"data_type": "Float64",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "week_ending",
"data_type": "Utf8",
"sensitivity": null,
"description": "",
"is_pii": false
},
{
"name": "approved",
"data_type": "Boolean",
"sensitivity": null,
"description": "",
"is_pii": false
}
],
"lineage": null,
"freshness": null,
"tags": [],
"row_count": 1000000,
"last_embedded_at": null,
"embedding_stale_since": null,
"embedding_refresh_policy": null
}