- Fix D-134 cross-references to point to architecture.md (not content.md)
- Fix stale #620 reference in D-147 body (now #679)
- Fix content.md footer count (44, not 45)
- Add D-145, D-146, D-147 to decisions/README.md index
- Add Q-WTF-041 entry to questions-content.md (was referenced but untracked)
- Fix sprint-28-candidates.md totals line
- Align spelling to British "customisation" throughout new decisions
- Add information boundary classification to D-147 (public trait, per D-010)
- Add "first message" instruction to proposer rules in sprint-start skill
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>