[don-petry]

Closes #1098

Implemented by dev-lead agent. Please review.

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Review details

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: 215358a9-c903-4400-85f4-6debdba96f06

📥 Commits

Reviewing files that changed from the base of the PR and between c455a1f and 8718170.

📒 Files selected for processing (3)

• scripts/aw.sh
• scripts/engine.sh
• tests/dev-lead/unit/test_engine_chain.bats

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch dev-lead/issue-1098-20260704-2108

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[don-petry]

Dev-Lead — review-changes (no-changes)

No changes were needed for this PR.

[gemini-code-assist]

Code Review

This pull request adds claude-sonnet-5-0 as a fallback candidate to the Claude triage and deep model chains, and registers it in the known engines list. It also includes unit tests to verify the updated chains, fallback behavior under rate-limiting, and that the action chain remains unaffected. There are no review comments, so I have no feedback to provide.

[don-petry]

Dev-Lead — fix-bot-comment (no-changes)

Agent reasoning

Issues addressed: 0
Files changed: (N/A - no fixes required)
Skipped: 0
Status: Quality gate passed ✅
```

[Copilot]

Pull request overview

Wires claude-sonnet-5-0 into the Claude in-engine fallback chains (as a non-default fallback candidate) and extends validation/tests so the harness can walk to Sonnet 5 under Claude rate-limit conditions without altering overall engine architecture.

Changes:

• Append claude-sonnet-5-0 to CLAUDE_TRIAGE_MODEL_CHAIN and CLAUDE_DEEP_MODEL_CHAIN defaults (leaving action/audit/single unchanged).
• Extend tests/dev-lead/unit/test_engine_chain.bats to assert the new chain contents and the rate-limit walk reaching Sonnet 5.
• Add claude-sonnet-5-0 to scripts/aw.sh’s known_engines allowlist to keep aw compile warning-free for workflows that pin it.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
scripts/engine.sh	Appends Sonnet 5 to Claude triage/deep fallback chains as a candidate.
scripts/aw.sh	Adds Sonnet 5 engine id to the aw compile known-engines warning suppressor set.
tests/dev-lead/unit/test_engine_chain.bats	Adds unit tests asserting the new chain membership and fallback-walk behavior.

[don-petry]

Dev-Lead — fix-reviews (applied)

Changes committed and pushed.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[donpetry-bot]

Automated review — APPROVED ✓

Risk: LOW
Reviewed commit: 8718170b5624adcfb48e42f347749f04850ec21c
Review mode: triage-approved (single reviewer)

Summary

Config-only change appending claude-sonnet-5-0 as a fallback candidate after sonnet-4-6 in the Claude triage and deep model chains, updating ENGINE_LABEL, and adding the id to aw.sh known_engines. All 6 acceptance criteria of #1098 are met, the single prior review finding (stale ENGINE_LABEL) was fixed at the head commit with the thread resolved, and all CI checks are green. Confirms the triage low-risk assessment.

Linked issue analysis

Issue #1098 asks to wire claude-sonnet-5 into the Claude chains as a candidate (not fleet default). Verified against each AC: (1) triage/deep chains append claude-sonnet-5-0 after sonnet-4-6 preserving the ${VAR:-default} override pattern and left-to-right walk; (2) ENGINE_LABEL updated to name the per-tier fallback chains; (3) aw.sh known_engines includes claude-sonnet-5-0; (4) test_engine_chain.bats extended (chain contents, rate-limit walk to sonnet-5, action-tier scope guard) and bats + shellcheck CI pass; (5) change is config/chain only — no export-list or architecture changes, gemini/copilot arms untouched; (6) sonnet-5 sits as a fallback candidate, not a replacement, matching the story's out-of-scope guidance for the action tier.

Findings

No blocking findings. Secret scan: the run_secret_scanning MCP tool is not available in this environment; the gitleaks CI check is green and the diff contains only model-id strings and test fixtures — no credential-like content. Prior Copilot review comment (ENGINE_LABEL not reflecting new chain membership) was addressed in commit 8718170 and the review thread is resolved. Informational, non-blocking: the walk only reaches claude-sonnet-5-0 when both earlier models are rate-limited, and it is last in the chain, so blast radius is minimal even if the model id is not yet live; the in-diff comment correctly notes the shared daily cap (#206) limits what this hop can help with.

CI status

All required checks green: shellcheck, bats, unit-tests, CodeQL (actions + python), gitleaks secret scan, Agent Security Scan, SonarCloud (quality gate passed, 0 new issues), agent-shield, aw compile/validate, template-drift, holdout/test-deletion guards. Dependabot and language-specific dependency-audit jobs skipped (conditional, not applicable).

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