Gerhard Scheikl 04933fcac6 feat(email): WYSIWYG template editor with variable substitution ...

- Add emailSubject{De,En} + emailBodyHtml{De,En} to ShopSettings
- New RichTextEditor component (TipTap) with toolbar + variable insert
- Settings UI: Email templates section per language
- email.server.ts: substitute {{var}} placeholders, fall back to defaults
- Default vars: invoiceNumber, customerName, customerFirstName, orderName,
  totalGross, dueDate, companyName, ownerName

2026-05-08 23:06:40 +02:00

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invoice

feat(email): WYSIWYG template editor with variable substitution

2026-05-08 23:06:40 +02:00