Deleted /fees, /fees-juniors, /reconcile, /reconcile-juniors routes and
their templates. Payment Ledger (/payments) is retained. Nav updated
across all remaining templates.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Adds a /flush-cache web page with a button to clear all cached Google
Sheets data and reset refresh timers. Link added to Tools nav across
all templates.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>