A scan in up to 07:10 pays from 07:00; a scan out between 16:20 and
16:40 pays to 16:30; a session over five hours loses a 30-minute lunch.
A normal day is therefore exactly 9 hours (green on the calendar and
matrix); late arrivals, early exits and overtime use the real times.
Applied on clock-out, in missed-scan corrections and their preview.
The calendar keeps the raw scan times and labels hours "Paid hours".
Includes a dry-run-first script to recalculate existing QR entries; it
only rewrites rows still equal to their raw scan total.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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