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LisherSong--ps5-web-file-ma…/docs
Songlx516 c7d9e965b8 v1.8: drop legacy RAR .rNN multi-volume format
Per user decision on 2026-09-04 21:01 GMT+8, the v1.8 plan no longer
covers the legacy split-archive format (name.rar + .r00/.r01/.r02...).

Rationale: PS5 users almost exclusively ship the modern RAR5
part-volume format (name.part01.rar, name.part02.rar, ...); the
legacy .rNN format is from the 2005-2010 era. Removing it cuts:

- Frontend: isRarSubVolume() no longer needs /\.r\d{2,}$/ branch
- Fixtures: drop rar4_multi_old.rar generation
- Tests: drop test_rar4_multi_volume_old()
- Backend: unrar API surface still supports legacy .rNN, but we just
  never feed it one

Documentation sweep:
- Section 5.1: range updated
- Section 6.4.1: isExtractableArchive/isRarSubVolume simplified
- Section 6.5.1: fixture generation script updated
- Section 6.5.3: test_rar4_multi_volume_old removed
- Section 8.4: decision rationale no longer mentions .rNN
- Section 6.6.4: CHANGELOG / README example updated
- Section 11.2: test matrix updated
- Section 6.4.9: D4 manual test list no longer tests .r00
2026-09-04 21:03:34 +08:00
..