STEP 5 - CLOCK IN DEBUG / SAFE INSERT

Overwrite these files into /public_html:
- /public_html/pest/api/clock-in.php
- /public_html/pest/attendance/app.js

Purpose:
- Fix the worksite-assigned state already solved in Step 4
- Make clock-in use a conservative shared-DB-safe insert
- Return exact server error detail on screen if clock-in still fails

After upload:
1. Hard refresh /pest/attendance/
2. Login
3. Tap Clock In once
4. Send the exact error shown if it still fails
