Learning #4 of the 2026-07-11 rehearsal: manifest B failed mid-run and could
not be re-applied — op 1 (the DARNIS invoice) had already run and a replay
would have duplicated it. Every write op now dedupes BEFORE any POST:
- thirdparty-create.sh: by exact name (promote '#thirdparty:name=' semantics);
ambiguous (2+) aborts; an existing fiche missing the requested role aborts
(refuse-never-repair). Emits {"id", "deduped"} instead of a bare id.
- invoice-create.sh: supplier kind by (socid, ref_supplier) — same key with a
different total aborts as a conflict; customer kind (or supplier without
ref_supplier) by (socid, date, total_ttc ±0.02, line fingerprint) with descs
HTML-unescaped. Credit notes are never candidates. A deduped DRAFT with
validate:true is validated on replay, so an interrupted run converges.
- payment-record.sh: by (invoice, amount, normalized transaction_id), composing
with the erp#37 varchar(50) normalization on BOTH sides so historical
long-form nums still match; same tx + different amount aborts; without a tx
id there is no dedupe key (warned). Dedupe answers id:null (the payments list
exposes no paiement rowid) + the existing bank line.
- All three refuse to POST blind when the dedupe lookup fails with anything but
the documented empty-list 404 (the voir_tous trap would otherwise mint dupes).
- promote-apply.sh: marks each op created / deduped=true inline and totals them
in the summary — an all-deduped second run is visible proof of a no-op.
- promote-plan.sh: advertises each op's dedupe key (and flags tx=MISSING as
'a replay WILL double-pay').
Proof:
- tests/run-tests.sh: 5 new offline cases (11 total) — dedupe hits POST
nothing, conflicts/ambiguity abort pre-POST, long-form history dedupes,
draft convergence validates; stub extended to serve the new lookups with the
live-observed empty behaviors ([] for invoices/payments, 404 for tiers).
- tests/replay-idempotency.sh (new, live): double-applies a self-contained
manifest on the sandbox — run 1 '3 created' (rows 1/1/1), run 2 '3 deduped'
with row counts unchanged and the stored num in erp#37 short form.
- The historic manifest-B now replays on the sandbox as 5/5 deduped, zero new
rows — the exact replay Learning #4 declared impossible.
SKILL.md updated in the same change (per-op dedupe keys, replay-safety section,
gotchas); the 2026-07-11 runbook's Learning #4 carries a dated resolution
addendum.
Closes erp#44.
Co-Authored-By: Claude Fable 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01VRShc4QhLLU73FLHx9vskh
arcodangeandClaude Fable 5
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