[Phase-2] Queue and Governance Hardening - WebCoder

[Prekzursil]

Objective

Implement hardening requirements after bootstrap merge.

Required Outputs

• Queue idempotency safeguards
• Transition rollback cleanup path
• No silent swallow on critical label transitions
• Template and agent profile normalization
• Verification wording aligned to bash scripts/verify

Activation

Add agent:ready only after pilot issue is complete.

[github-actions]

@copilot Please implement this task using repository guardrails.

Execution Contract

1. Keep the change minimal and in scope.
2. Run deterministic verification before requesting review.
3. Required verification command: bash scripts/verify.
4. Include PR sections: Summary, Risk, Evidence, Rollback, Scope Guard.
5. Do not merge; maintainers perform final human review.

Source Issue

• [Phase-2] Queue and Governance Hardening - WebCoder #8: [Phase-2] Queue and Governance Hardening - WebCoder

[Prekzursil]

@copilot Queue follow-up: please continue this Phase-2 hardening task and open/update the implementation PR. Keep scope strict to queue idempotency, label-sync push trigger, profile least-privilege, AGENTS warning, and PR template normalization. Include deterministic verification evidence.