Replace extraction backend with SevenZipJBinding + Zip4j JVM sidecar

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- New JVM sidecar (resources/extractor-jvm/) using SevenZipJBinding for
  RAR/7z/TAR and Zip4j for ZIP multipart, matching JDownloader 2 stack
- Auto/JVM/Legacy backend modes via RD_EXTRACT_BACKEND env variable
- Fallback to legacy UnRAR/7z when JVM runtime unavailable
- Fix isJvmRuntimeMissingError false positives on valid extraction errors
- Cache JVM layout resolution to avoid repeated filesystem checks
- Route nested ZIP extraction through JVM backend consistently

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

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This commit is contained in:

Sucukdeluxe

2026-03-03 02:08:42 +01:00

co-authored by Claude Opus 4.6

parent 3ee3af03cf

commit de369f3bcd

22 changed files with 1888 additions and 9 deletions

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resources/extractor-jvm/lib/sevenzipjbinding.jar

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