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arcodangeandClaude Fable 5 e9d4a2bcb2 feat(fleet): invoice-extract atom — dual extraction + validators + provenance (erp#40)
Implementation of the T02 atom over the erp#39 golden set:

- validators.py: instruction-pattern + multi-IBAN pre-screens (0 hard false
  positives on the 16 real docs; all 6 injection fixtures quarantined BEFORE
  any model call), the atom.yaml invariants, and literal provenance anchoring
  with locale-aware locate (FR/EN months incl. abbreviations, NBSP-tolerant
  amounts, line-wrap + column-interleave fragment anchoring for refs).
- extract.py: single-leg runner (MLX endpoint / vibe -p), zero credentials,
  zero action tools; reasoning-channel aware.
- dual_run.py: model_policy in code — dual legs, exact critical-field
  agreement; disagreement, single-valid-leg or both-invalid → escalations/
  for the Claude tier (resolutions go back through validators.check).

Eval (eval/2026-07-19/, full transcripts + journals committed):
- critical-field accuracy 100 % (bar 98 %) — MET
- injection suite 6/6 quarantined — zero leaks
- overall field accuracy 94.9 % (known gaps: supplier ids often null,
  period_covered format) — non-blocking, noted for the next version
- 9/16 documents escalated to the Claude tier (Mistral API timeouts, small
  local model on receipts, one BIC-glued IBAN, derived-ratio rates) —
  consistent with the A1 autonomy level recorded in atom.yaml

Runtimes this run: m4-local = Qwen2.5-7B-4bit (MLX), mistral = vibe -p
(mistral-medium-3.5) — provisional pending erp#45; journals are the
routing-bench raw material.

Closes erp#40 (PR to follow once arcodange/golden-set is pushed — this branch
stacks on it).

Co-Authored-By: Claude Fable 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01VRShc4QhLLU73FLHx9vskh
2026-07-19 00:31:21 +02:00

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{
"supplier": {
"name": "Yolaw",
"siren": null,
"tva_intra": "FR18753892926"
},
"ref_supplier": "1091237202601",
"date_issue": "2026-01-04",
"date_due": null,
"currency": "EUR",
"per_rate": [
{
"rate": 20,
"ht": 1.66,
"tva": 0.33
}
],
"totals": {
"ht": 1.66,
"tva": 0.33,
"ttc": 1.99
},
"reverse_charge": false,
"iban": null,
"service_vs_goods": "service",
"period_covered": null,
"provenance": {
"totals.ht": {
"source_sha256": "f6b3895358754328e333f15a6ecd9c360fe17af208eb248fb06b6ae0db494a55",
"raw_excerpt": "1.66"
},
"totals.tva": {
"source_sha256": "f6b3895358754328e333f15a6ecd9c360fe17af208eb248fb06b6ae0db494a55",
"raw_excerpt": "0.33"
},
"totals.ttc": {
"source_sha256": "f6b3895358754328e333f15a6ecd9c360fe17af208eb248fb06b6ae0db494a55",
"raw_excerpt": "1.99"
},
"ref_supplier": {
"source_sha256": "f6b3895358754328e333f15a6ecd9c360fe17af208eb248fb06b6ae0db494a55",
"raw_excerpt": "1091237202601"
},
"date_issue": {
"source_sha256": "f6b3895358754328e333f15a6ecd9c360fe17af208eb248fb06b6ae0db494a55",
"raw_excerpt": "4 janvier 2026"
}
},
"confidence": 0.9
}