Add shared components (ConfirmDeleteDialog, EditEntryDialog, validation utils),
enhance all 12 extension workspaces with edit/delete dialogs, input validation,
period comparisons, and new analytics features. Fix critical bugs in
ProjectBilling margin calculation and EarningsPerLiter revenue allocation.
Add pure calculation modules with 183 new tests across all extensions.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Remove influencer-specific features (campaigns, TikTok, gifts, shadow ledger,
contracts, briefings) and consolidate into a clean ERP foundation with core
bookkeeping, invoicing, receipts, tax reporting, and calendar functionality.
Reorganize database migrations into a clean numbered sequence.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Emil