Repository navigation
Paper reads now preserve explicit arXiv versions and use version-specific caches. Multiple TeX roots require explicit selection with --document; --documents lists available sources and supplements. Non-arXiv papers can be read through a verified --pdf-url.
Incomplete PDF conversion now fails unless --allow-partial is explicitly requested. Cached conversions verify the original PDF hash; older PDF caches need rebuilding.
Validation: 178 tests and Linux/Windows CI passed. Live versioned source reading and partial-PDF failure behavior were verified; successful OCR was not tested.