feat(brief): ceremony by size, one question round, logged and committed approvals

P1 (order 2, wave 1). /trekbrief puts the task in a size class
(ceremony: small|bounded|architectural, K1; heaviest in doubt, said
aloud, overridable, only moved up) that sets the question budget and the
review cap, and asks one round of questions: facts looked up, never
asked; recommendation first; ranked by impact x uncertainty with a
visible Deferred list; stop when the next three answers can be predicted.
"høres bra ut", "gjør som du vil" and an empty answer are not approval.

K2: lib/util/approval-log.mjs, an append-only hash-chained log in the
target repo (.claude/voyage/approvals.jsonl) bound to the approved
content's sha256; append/verify (0/1/2), answer, digest. Committed by
lib/util/artifact-commit.mjs: the log always, the brief and plan only
with artifact_store: git (operator decision 2026-10-06). /trekplan
Phase 1 halts on a broken, diverged, missing or mismatched log entry;
Phase 11 logs and commits an explicit plan approval before any handoff.

Both new brief fields are optional: no brief_version bump. The
main-module guard in intent-approval.mjs and brief-validator.mjs now
compares real paths. Borrowings credited in the prose and module headers.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Kjell Tore Guttormsen 2026-10-06 19:44:42 +02:00
commit 5244d2e8e8
Signed by: ktg
SSH key fingerprint: SHA256:JakMjO6FTBBzN0Bhfj9saOoEjaFxlSdYuZQQpM/lF9Q
16 changed files with 1527 additions and 85 deletions

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@ -16,6 +16,14 @@ source: {interview | manual}
# written — the first layer of the framing-alignment defense (guards against the
# plan polishing a wrong premise after a rejected iteration).
framing: {preserve | refine | replace | new-direction}
# Size class (ceremony by size), said aloud in the /trekbrief question round and
# overridable by the operator; it only ever moves up mid-task. Optional: absent
# reads as architectural (the heaviest). One of: small | bounded | architectural.
ceremony: {small | bounded | architectural}
# Where the brief and plan live: git (committed) or local (kept out of git via
# .git/info/exclude). The approval log is committed either way. Optional: absent
# reads as local. Asked once per task in the /trekbrief question round.
artifact_store: {git | local}
# v5.1 — per-phase effort + model signal (Phase 3.5).
# `effort` ∈ {low, standard, high}; `model` ∈ {sonnet, opus, fable} (v5.9).
# Omit `model:` for `standard` so composition falls through to profile