- Use WorkbookFactory.create() to support .ods, .xlsx, and .xls
- Discover any spreadsheet file (not just .xlsx) in /import
- Fix column indices to match actual ODS structure (index=0, box=1,
folder=2, sender=3, receivers=5, date=7, location=9, tags=10,
summary=11, transcription=13)
- Append .pdf extension to bare index values (W-0001 → W-0001.pdf)
- Build German-format title: "W-0001 – 15. Februar 1888 – Rotterdam"
- Parse ISO date strings (col 7 is text in LibreOffice ODS)
- Resolve sender (col 3) and receivers (col 5) to Person entities via
lookup-or-create by alias using PersonNameParser normalisation
- Import tag (col 10) via lookup-or-create
- Import summary from col 11 (Inhalt)
- Import archiveBox (col 1) and archiveFolder (col 2)
- Inject PersonRepository and TagRepository
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>