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# #1146 — CI Queue Guard Purpose Semantics
## Objective
Make the pre-push queue guard wait for queued/running CI without requiring the previous remote head to have successful CI. Preserve fail-closed merge readiness.
## Scope
- `packages/mosaic/framework/tools/git/ci-queue-wait.sh`
- focused queue-guard regression tests
- design and scratchpad documentation
- local framework activation required before the fixed guard can authorize this branch's push
## Plan
1. Freeze purpose-specific behavior in failing process-level tests.
2. Implement the smallest state-dispatch change.
3. Run focused shell tests and repository quality gates.
4. Obtain independent review and remediate findings.
5. Install the reviewed framework source locally, run the mandatory pre-push queue guard, and push.
6. Open a PR against `next`, verify terminal-green CI, and close #1146 after merge.
## Budget
- ASSUMPTION: no explicit token cap was provided.
- Working estimate: 12K tokens.
- Scope reduction: change only final-state dispatch and focused tests; do not redesign provider adapters.
## Progress
- Confirmed source and installed guards are byte-identical.
- Reproduced `terminal-failure` blocking `--purpose push`.
- Root cause: final-state dispatch requires terminal success for both push and merge.
- Design approved: push is queue-clear on valid non-pending states; merge remains fail-closed.
## Tests
- RED confirmed before implementation: the focused tri-state harness reported push `terminal-failure` and `no-status` as `ASSERTED_NOT_READY`.
- GREEN: `bash packages/mosaic/framework/tools/git/test-ci-queue-wait-tristate.sh` — all outcome classes passed.
- GREEN: `bash packages/mosaic/framework/tools/git/test-ci-queue-wait-github-checks.sh` — 6/6 purpose-aware cases passed.
- GREEN: `bash -n` passed for the changed guard and both focused harnesses.
- GREEN: `pnpm preflight`, `pnpm typecheck`, and `pnpm lint` passed.
- `pnpm test` ran 45/46 workspace test tasks successfully, but the pre-existing Gateway `cross-user-isolation.test.ts` failed during cleanup with PostgreSQL error `28P01` (local `mosaic` password authentication failure). The changed Mosaic framework test task passed within that run.
- GREEN: `pnpm --filter @mosaicstack/mosaic test` passed (81 Vitest files, 1,514 tests, plus the complete framework shell suite, including both queue-guard regressions).
- GREEN: `pnpm format:check` passed.
- Note: an additional ad hoc Prettier command was not applicable to shell files because Prettier has no shell parser; the repository-wide format check passed using its configured file globs.
## Review
- Independent Codex review of the six-file diff: approved, confidence 0.84, zero blockers/should-fix/suggestions.
- Review confirmed push queue-clear behavior, merge fail-closed behavior, and `--require-status` coverage.
## Risks and Blockers
- A source-only fix does not update `~/.config/mosaic/tools/git/ci-queue-wait.sh`; local framework activation must use the reviewed installer path rather than a manual copy.
- Full baseline test completion is blocked by the unrelated local PostgreSQL authentication/cleanup failure described above; CI has its own disposable PostgreSQL service.
- Existing `.mosaic/orchestrator/*` working-tree changes are unrelated and must remain unstaged.