Mon-Thu 07:00-16:30, Friday 07:00-15:00, last Friday of the month
07:00-12:00 (weekends use the Mon-Thu bands). Each shift end has a
10-minute band either side; arrivals up to 07:10 pay from 07:00.
Lunch now phases in from 5h to 5h30 instead of a 30-minute cliff, so
a normal day pays 9 / 7.5 / 5 hours.
The worker calendar judges each day against that day's expected hours,
so a normal Friday is green, and the worker page shows the schedule.
The recalc script recognises rows already rewritten by the first rule.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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