Marco b6a826dc46 Replace hand-duplicated VIES/VAT-ID/PLZ/tracking logic with shared package ...

Deletes app/lib/vies.ts, vatId.ts, tracking.ts in favor of the newly unified @einfach-produktiv/invoicing modules — fixes the actual PLZ inconsistency (this repo already validated per-country digit counts; the backend hardcoded German-only) rather than just deduplicating code.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

2026-07-31 15:41:01 +00:00

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components

Replace hand-duplicated VIES/VAT-ID/PLZ/tracking logic with shared package

2026-07-31 15:41:01 +00:00

verarbeitung

Allow switching an unpaid Überweisung order to Stripe payment

2026-07-30 09:48:44 +00:00

page.tsx

Add Kleinunternehmerregelung (§19 UStG) support end-to-end

2026-07-24 15:08:13 +00:00