STAGE 3 CLOSE (operator-ruled): GA-R2 consolidation + skill sweep; gauntlet 76 ALL GREEN ...

- Four execution-session changelogs -> docs/archive/changelogs/;
  vr1-stage3-record.md finalized (close summary + session table)
- CURRENT-STATE stage line CLOSED (vr1-dc0 scope; dc1 = HELD G12);
  workflow Stage-3 State row + runbooks/README corrected
- Skill sweep: D-131 forwarder invariant + MAAS pod traps + merge
  precedent folded; no stale facts found
- Close-out evidence: gauntlet 76 ALL GREEN, repo-lint 0 fail, GA-R7
  memory review done (changelog items 11, 17)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013XRtm5sDQgUsZyTJk3k7dz