Commit Graph

1 Commits

Author SHA1 Message Date
Matthias Mintert
7b60be2933 Add architecture spec and implementation plan
Transcribe the original architecture PDF into SPEZIFIKATION.md and add
UMSETZUNGSPLAN.md with the refined implementation plan (ZUGFeRD on-the-fly
invoicing, uv + Docker Compose, grouped Leistungserfassung).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-11 00:22:16 +02:00