v1.0.2: Broaden file-type support + binary detection
- Broaden file-type support with 60+ new extension mappings (python, java, go, c/c++, ruby, swift, kotlin, scala, haskell, etc.)
- Add binary file detection by extension and content (null-byte guard)
- Fix ingest walk result type after loader refactor
- Track unsupported files in ingest result