# Task 03 — The phase E2E suite, the full gates, the docs pass, the commit

**Phase:** `193_sync_remaining_count` · **Source:** `TODO.md:7`
**Story:** n/a

## Objective
The dedicated Playwright suite proves the owner-visible contract — the label counts DOWN as the run progresses and goes quiet at the final file — run in isolation per AGENTS rule 4; the full gates pass; the docs are consistent; one atomic commit.

## Work
1. `tests/e2e/test_sync_remaining_count.py` (NEW — the module docstring names the TODO item, the A1/A2 assumptions and the "server untouched" clause) — the module-app fixture pattern (the phase-64/98 E2E convention — verify in `tests/e2e/conftest.py` / the sibling sync suites):
   - the fixture: a small git source with N files (N ≥ 4, the phase-98 fixture convention — the `N_FILES` shape of `test_sync_upload_progress.py`).
   - **(a) the count-down arm:** start the sync through the RAG page's sync flow; capture `#sync-progress` (and the button title — the A4 full-label placement) across the run: while files are in flight the label matches `^Syncing… <file> [1-N] remaining` and the displayed `N` is NON-INCREASING across polls (the `total − done` shape — a strict count-down; the pin: the sequence of captured `N`s, when a new value appears, is smaller); the `· chunk n/m` part coexists when a batch is in flight (the phase-129 part, unbroken); when the walk reaches the final file the part is ABSENT (the main part names the file — `^Syncing… <last-file>$`, no count part — the A1 hidden edge); the run's terminal result line is the phase-64 shape (the `counts_line` helper — byte-identical, the terminal-line pin).
   - **(b) the upload arm (A2):** the upload job (the same fixture as an archive, the `test_sync_upload_progress.py` convention) → the label shows `Importing <file> [1-N] remaining` (the shared builder, the shared shape — the pin) and the chunk part coexists (the pin).
   - **(c) the pre-walk edge:** the first poll before the walk knows the total → NO count part (`^Syncing…$`, the phase-64 contract — the `total === 0` guard, owner-visible).
2. Regression, run in isolation: `tests/e2e/test_sync_label_mobile.py`, `tests/e2e/test_sync_upload_progress.py` (the task-02 retargets), `tests/e2e/test_sync_chunk_progress.py`, `tests/e2e/test_sync_summary_visibility.py` (the chunk/image/summaries pins) — green.
3. The full gates, in order:
   - `uv run pytest` (unit + integration) — 100% passing;
   - `uv run pytest --cov=app --cov-report=term-missing` — **>90%** on `app/`;
   - `uv run pytest tests/e2e/test_sync_remaining_count.py -v --no-cov` — green in isolation;
   - `uv run ruff check . && uv run pyright` — clean.
4. Documentation pass (the phase file's Documentation section): `README.md` + `AGENTS.md` reviewed in their entirety against the post-phase app; the sync section's running-label example (the `(done/total)` shape, if present in `README.md`) becomes the `N remaining` one; `AGENTS.md` corrected only where a phase-64/98 clause names the running count part.
5. Commit: one atomic, professional commit (Conventional Commits, `--no-gpg-sign`), e.g.
   `feat(sync): the running label counts down — "N remaining" (phase 193)` — the body names the one-line `fmtSyncLabel` change (sync + upload through the shared builder), the hidden-at-final-file edge, and the untouched chunk/image/summaries/terminal parts. `.agents/phases/todo/193_sync_remaining_count/` moves to `.agents/phases/complete/` in the SAME commit (AGENTS rule 8).

## Testing & Quality
- E2E: the suite above, isolated; the regression suites green.
- Coverage: **>90%** on `app/`.
- Lint/types: clean.

## Completion Criteria
- [ ] `tests/e2e/test_sync_remaining_count.py` green in isolation — (a) the count-down (non-increasing `N` across polls, the chunk part coexisting, the part absent at the final file, the terminal line byte-identical); (b) the upload arm (`Importing <file> N remaining`); (c) the pre-walk edge (no count part before the total is known).
- [ ] `uv run pytest` 100% passing; `uv run pytest --cov=app --cov-report=term-missing` >90%; `uv run ruff check . && uv run pyright` clean.
- [ ] `README.md` / `AGENTS.md` consistent (the running-label shape).
- [ ] the phase directory is in `.agents/phases/complete/`; one atomic commit with `--no-gpg-sign`.