PACKAGE S1 - STABLE BASELINE CLEANUP

Purpose:
- lock the currently working staff attendance + lunch flow as a stable baseline
- remove debug behavior from lunch-status.php
- keep fixed attendance-shared.php
- keep full clickable attendance app
- bump service worker cache version
- provide a cleanup helper to delete the temporary debug health file
- add STABLE_BASELINE_S1.txt

Extract inside:
- /home/uent/public_html

Files placed:
- /api/attendance-shared.php
- /api/lunch-status.php
- /api/cleanup-debug-files.php
- /attendance/app.js
- /attendance/service-worker.js
- /STABLE_BASELINE_S1.txt
- /README-DEPLOY.txt

After extraction:
1. Open:
   https://uent.co.za/api/cleanup-debug-files.php?secret=westcoast-cleanup-2026

2. It should delete:
   /api/debug-attendance-health.php

3. Then manually delete:
   /api/cleanup-debug-files.php

4. Close/reopen app and hard refresh.

Expected app behavior:
- If open session exists:
  Clock In disabled, Clock Out active, Start Lunch active if lunch not started
- If clocked out:
  Clock In active, Clock Out disabled, Lunch disabled
