docs(PDLC): lock M3 spec v1.2 Final — Chat, Orchestration, Hardening
15 REQs (028-037, 041-045) with REQ-035 amendment (auto-promote at step 21).
3 personas (Devon/Sam/Casey), 5 journeys + J-infra, no orphan REQs.
Decisions #1-#10 locked; OQ1-6 resolved, OQ7 open (control_state write-through).
Migrations 0004-0006 (chat/workflow/posture), per-table for rollback isolation.
STATE.md updated: M3 spec locked, implementation pending.
---ci---
phase: 3
stage: spec-lock
milestone: v0.2-M3
spec: .ciagent/steer-m3-spec.md
spec_version: v1.2
status: ready-for-handoff
reqs: [028,029,030,031,032,033,034,035,036,037,041,042,043,044,045]
req035_amended: true
invariants: [INV-1,INV-2,INV-3,INV-4,INV-5,INV-6,INV-7,INV-8]
release: none
CIAgent
85dce28ca3