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feat: implement issue #1100 — [Phase 3] Canary-promote via the dev-lead rings and record the human go/no-go - #1135
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…ad rings and record the human go/no-go
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📝 WalkthroughWalkthroughAdds a human-filled template for evaluating Sonnet 5 quality, cost, and canary evidence before deciding whether to make it the default replacement for Sonnet 4.6, including the August 31 pricing contingency and manual-promotion guardrails. ChangesSonnet 5 default decision
Estimated code review effort: 1 (Trivial) | ~3 minutes Possibly related issues
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Suggested labels: 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Dev-Lead — review-changes (no-changes)No changes were needed for this PR. |
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Advisory bots were rate-limited; auto-approval is withheld until they recover. pr-review-sweep will re-review this PR after 2026-07-10T01:33:22Z. |
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Code Review
This pull request introduces a new document, docs/initiatives/sonnet-5-default-go-no-go.md, to record the human go/no-go decision for replacing claude-sonnet-4-6 with claude-sonnet-5 as the default model. The document outlines the decision criteria, including quality evaluations, realized cost delta, and canary gate status. Feedback suggests adding a *fill* placeholder to the Outcome column in the quality gate table for consistency with other tables in the document.
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Pull request overview
Adds a Phase 3 “human go/no-go” decision record for the Sonnet 5 default-swap initiative (issue #1100), intended to capture canary-ring gate status, held-out eval outcomes, realized cost deltas, and the final human decision before the 2026-08-31 intro-pricing deadline.
Changes:
- Introduces a new initiative document to record (and later cite) the quality, cost, and canary evidence for the Sonnet 5 default swap.
- Defines a structured recommendation/decision format, including a deadline contingency and explicit “human-only promotion” guardrails.
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Note @don-petry I reviewed this PR and no code changes were needed, but it still has blocking checks or reviews (failing or cancelled checks, or changes-requested reviews), so I cannot mark it done yet. I'll re-check automatically. |
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Dev-Lead — waiting on PR blockers (intent: fix-reviews)PR: #1135 |
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Automated review — APPROVED ✓
Risk: LOW
Reviewed commit: a12ac00a62aa900a054cc1b01a0aa9ec3c7575d9
Review mode: triage-approved (single reviewer)
Summary
Docs-only PR adding docs/initiatives/sonnet-5-default-go-no-go.md (+209/-0, 1 file): a decision-record template for the human go/no-go on making claude-sonnet-5-0 the default Sonnet tier. No code, workflow, or automation changes. Triage's low-risk assessment is confirmed. All 19 prior review threads (gemini, copilot, codex, coderabbit) are resolved; the earlier coderabbit CHANGES_REQUESTED review was addressed and dismissed. All CI checks green.
Linked issue analysis
Refs #1100 ([Phase 3] Canary-promote via dev-lead rings and record the human go/no-go). The PR delivers the recorded-recommendation template required by AC #3/#4: evidence sections for held-out eval non-regression (Story 2), realized cost delta (Story 1 pricing, intro-window deadline 2026-08-31 with explicit contingency), and canary gate status per ring — plus the human-only promotion guardrail matching AC #5 (no initiative:auto, no unattended stable promotion). It correctly uses 'Refs' (not a closing keyword) so #1100 stays open until a human signs the Decision block — this was a prior review finding and is properly handled. AC #1/#2 are operational (canary dwell, cost measurement) and are documented as human-owner inputs, consistent with the issue's 'no new automation' note.
Findings
No blocking findings. Secret scan: mcp__github__run_secret_scanning tool not available in this environment; the gitleaks CI check passed and the diff contains no credential-like content. The document consistently enforces human-only promotion, holds the ring1->stable row behind the documented repin blocker, and flags the byte-identity allowlist caveat for script-only candidates — all prior reviewer concerns are incorporated.
CI status
All checks green: agent-shield, Lint, CodeQL (actions+python), ShellCheck, SonarCloud, gitleaks secret scan, unit-tests, holdout-guard, guard, Agent Security Scan, Compile agentic workflows — SUCCESS. Ecosystem-specific dependency audits and dependabot-automerge skipped (not applicable).
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Refs #1100
Implemented by dev-lead agent. Please review.
Summary by CodeRabbit