feat: MVP 3D-Druck Kostenkalkulator

- Single-Page HTML-App mit allen 18 Eingabefeldern
- 12 Berechnungen live (calc.js, reine Funktionen)
- LocalStorage-Persistenz, Mehrfach-Projekte via Sidebar
- Excel Im-/Export ueber SheetJS (vendored, MIT)
- Drag&Drop + File-Picker-Import
- Apple-Swiss-Styling, responsive
- Vorlagen-Excel mit 3 Reitern (Eingabe/Kalkulation/Angebot), Formeln referenzieren Eingabe
- openpyxl-Script fuer reproduzierbaren Template-Build
- 5 Test-Szenarien validiert

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-04-23 21:15:25 +02:00
commit 7507f768a3
12 changed files with 1308 additions and 0 deletions

22
assets/xlsx.full.min.js vendored Normal file

File diff suppressed because one or more lines are too long