- 03-04-SUMMARY.md: Plan complete — classifier signature, env var defaults, security
mitigations T-03-17/18/19/21 all resolved; DOC-03, DOC-05 requirements completed
- STATE.md: Advance to Plan 4/5 complete, add 5 key decisions from this plan
- ROADMAP.md: Mark 03-04-PLAN.md complete (Wave 4)
- REQUIREMENTS.md: Mark DOC-03 and DOC-05 as complete
curo1305