docs: add implementation plan for cashbox export feature

Task-by-task TDD plan covering manual CSV/PDF export, the recurring
PDF-mailing subscription, and the frontend wiring, grounded in the
existing recurring-transactions module and mail service as precedent.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
Bastian Wagner
2026-08-03 20:46:42 +02:00
parent b8bcf329c5
commit 15d5f1d4e4

File diff suppressed because it is too large Load Diff