[codex] Guardrail candidate: Parser and CLI contract drift (parser-cli-contract)

[haasonsaas]

Parser and CLI contract drift

This issue routes a recurring review-feedback class to the repo that needs the prevention guardrail.

• Repo: evalops/maestro
• Class: parser-cli-contract
• Repo findings: 1
• Class findings: 1
• Generated at: 2026-05-16T07:06:51Z
• Window: merged since 2026-05-13 with minimum severity high
• Org tracker: [codex] Guardrail backlog: Parser and CLI contract drift (parser-cli-contract) .github#50

Guardrail to build

Add parser-backed tests that fail when command text, flags, or structured inputs are accepted by substring matching instead of the real parser.

Representative feedback in this repo

• p1 chore: sync public mirror from internal #415 src/cli/commands/a2a.ts:264
  • Make non-wait sends non-blocking
  • chore: sync public mirror from internal #415 (comment)

Finding fingerprints

• 1faf0d946f8de8f21df5d68f0116daf948ef03d2ed3085bda7e5a3ff8488b331

Acceptance criteria

• A repo-local guardrail fails for at least one representative feedback shape listed above.
• The guardrail is wired into the smallest relevant CI, preflight, or test target in this repo.
• The issue is closed only after the guardrail merges and the feedback sentinel reports this repo/class fingerprint set as already closed or absent.