Pure module computing deterministic 16-char SHA-256 prefix for annotation set.
Canonicalization: sort by id, fixed field order (id|target_artifact|target_anchor|intent|comment|timestamp), \n-join, sha256, take first 16 hex.
Brief SC4 specifies sha256-prefix; research-05 said sha1 — brief wins per Hard Rule "Brief-driven".
6 tests pass: empty digest, order-independence, intent-sensitivity, format invariant, golden value, undefined-vs-empty equivalence.
Step 2 av v4.1-execute (Wave 1, Session 1).
Legg --profile i valued-arrayen for alle 6 voyage-kommandoer (trekbrief,
trekresearch, trekplan, trekexecute, trekreview, trekcontinue). Mønster
identisk med eksisterende --project/--brief valued-handling. Ingen endring
til parseArgs-logikk — utvider kun schema.
Tester (11 nye, baseline 361 → 372):
- 6 happy-path-tests (én per kommando)
- ARG_MISSING_VALUE for --profile uten verdi
- --profile + --quick kombo
- --profile + --gates edge-case (--gates parses inline, ikke i FLAG_SCHEMA)
- --profile + --project kombo
- trekcontinue --profile (validerer at tomt valued[] nå er utvidet)
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>