Why: Codex CLI must run only after every regular profile exhausts its three safe attempts.
Evidence: The focused test records three regular failed-clean attempts and fails because no emergency Codex attempt is launched.
Impact: Adds a RED controller contract test and test helper support only.
Refs: feature/agent-cli-enforcement
Why: The routing controller must retry each safe failed profile three times before advancing.
Evidence: The focused test fails with observed order retryme,thenok instead of three retryme attempts, proving current behavior lacks retries.
Impact: Adds a RED controller contract test only; production behavior is unchanged.
Refs: feature/agent-cli-enforcement
Why: Gitea containers may leave SIGKILLed children as zombies until PID 1 reaps them, while kill -0 still reports success.
Evidence: Both timeout tests and the full AgentExecControllerTests suite pass; git diff --check passes.
Impact: Changes test liveness detection only; genuinely running child processes still fail the assertions.
Refs: #567
Why: PR #567 CI runs without a global Git user identity, causing every successful agent transport commit to fail with exit 128.
Evidence: The focused no-identity regression plus AgentExecControllerTests and AgentExecHistoryTests pass (30 executions total); git diff --check passes.
Impact: Supplies a deterministic non-secret identity only to git commit-tree; routing, receipts, and transport validation are unchanged.
Refs: #567
Why: execution history intentionally adds one source-external Git metadata path after every run
Evidence: focused fallback and history tests
Impact: preserves the no-canonical-implementation assertion while accepting the history record
Refs: feature/goal-first-delivery
Why: retain which CLI handled each task so routing can improve from real outcomes over time
Evidence: AgentExecHistoryTests and git diff --check
Impact: appends sanitized source-external JSONL records without changing run outcomes
Refs: feature/goal-first-delivery
Why: verify configured Agent CLIs one profile at a time before declaring them usable
Evidence: 53 focused tests, agent-exec validation, 397-test governance regression, and diff check
Impact: adds opt-in source-external probes, acceptance checks, and current task records
Refs: U5; docs/superpowers/plans/2026-10-15-project-agent-execution.md
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