fix(ci): resolve opencode workflow failures — PAT permissions, git identity, validation

[MichaelFisher1997]

Summary

• Switch audit workflow to OPENCODE_PAT — github.token is read-only for scheduled runs, causing 403 permission denied on both git push and gh issue create
• Add git config user.name/email before opencode steps in both workflows — prevents fatal: empty ident name / Author identity unknown crash
• Add PAT push permission pre-check in test-writer — fails fast with a clear error message instead of wasting 6+ minutes
• Add module directory validation in audit workflow — warns if the scheduled module path doesn't exist before running the expensive audit step
• Document required PAT scopes in both workflow headers

Root causes identified

Failure	Workflow	Cause	Fix
Permission denied (403) on git push	test-writer	OPENCODE_PAT lacks repo scope for push	Document required scopes + pre-check
Author identity unknown	audit	No git identity configured for the bot	Added git config user.name/email
Token lacks 'issues' write permission	audit (earlier)	github.token used for gh operations	Switched to OPENCODE_PAT
Failed to get summary from agent	audit	Transient opencode action failure	No code fix; module validation helps

Test plan

• Reviewed all recent failed workflow runs to identify root causes
• Verify audit workflow triggers correctly on next schedule
• Verify test-writer PAT push pre-check passes with properly scoped PAT

[github-actions]

📋 Summary

No linked issues. This PR fixes CI workflow failures for the opencode-audit and opencode-test-writer workflows by switching to OPENCODE_PAT (which has write permissions), adding git identity configuration, and adding validation/pre-checks.

📌 Review Metadata

• Reviewed Commit SHA: 46237cd2d981f1d22a4bde9af2fd9b8a0b4f8100
• Reviewed PR: fix(ci): resolve opencode workflow failures — PAT permissions, git identity, validation #474
• No linked issues found

This PR addresses workflow failures in two GitHub Actions workflows. The changes are straightforward and correct.

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🔴 Critical Issues (Must Fix - Blocks Merge)

None identified.

✅ All previously reported critical issues have been resolved. (N/A - no previous automated reviews)

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⚠️ High Priority Issues (Should Fix)

None identified.

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💡 Medium Priority Issues (Nice to Fix)

None identified.

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ℹ️ Low Priority Suggestions (Optional)

None identified.

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📊 SOLID Principles Score

Not applicable — this PR modifies GitHub Actions workflow YAML files, not Zig source code. SOLID principles do not apply to workflow configurations.

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🎯 Final Assessment

Overall Confidence Score: 92%

Confidence Breakdown:

• Code Quality: 95% (workflow YAML is correctly structured)
• Completeness: 90% (addresses the documented root causes)
• Risk Level: 92% (low risk — permissions/pre-checks prevent failures)
• Test Coverage: N/A (workflow changes, not testable via zig build test)

Merge Readiness:

• All critical issues resolved
• N/A - SOLID not applicable to YAML workflows
• Overall confidence >= 60%
• No security concerns (PAT scope documentation is helpful, not restrictive)
• N/A - No code changes to test

Verdict:

MERGE

This PR correctly addresses the root causes of workflow failures: insufficient token permissions (switching to OPENCODE_PAT), missing git identity (added git config), and lack of pre-checks (added PAT push verification and module directory validation). The documentation of required PAT scopes is a valuable addition that prevents future misconfigurations.

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Machine Readable Verdict

{
  "reviewed_sha": "46237cd2d981f1d22a4bde9af2fd9b8a0b4f8100",
  "critical_issues": 0,
  "high_priority_issues": 0,
  "medium_priority_issues": 0,
  "overall_confidence_score": 92,
  "recommendation": "MERGE"
}

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