Phase12 formal transition

[kenanay]

Freeze PR Template

Gate Run

• Run ID:
• Evidence Path (evidence/run-<id>/):

Gate Verdicts

• ABI (ci-gate-abi):
• Boundary (ci-gate-boundary):
• Tooling Isolation (ci-gate-tooling-isolation):
• Constitutional (ci-gate-constitutional):
• Workspace (ci-gate-workspace):
• Hygiene (ci-gate-hygiene):
• Performance (ci-gate-performance):
• Summary (ci-summarize):

Tooling Isolation Guard

• Perf/preempt tooling touched in this PR: yes/no
• If yes, kernel touch = 0: yes/no
• Tooling isolation evidence path (evidence/run-<id>/gates/tooling-isolation/):

Contract Change

• Changed contracts: yes/no
• If yes, exact paths:

RFC / Waiver

• RFC link (if required):
• Waiver link (if required):

Claim Check

If this PR claims Completed/Production-ready, all must be true:

1. summary.json verdict is PASS
2. test + benchmark evidence linked
3. related docs updated
4. architecture review note linked

Notes

• Planned gates may be hard-fail stubs during freeze hardening.
• Do not merge feature work into mainline during active freeze.