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feat(jpeg): preserve/expose XMP metadata, Extended XMP, and uhdr_strip_gain_map - #493

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DichenZhang1 wants to merge 6 commits into

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feat/preserve-xmp-metadata

Commits on Sep 12, 2026
- feat(jpeg): preserve and expose XMP metadata in libultrahdr
  DichenZhang1
  committed
  59418fb
Commits on Sep 16, 2026
- Fix JPEG XMP output sizing and reject oversized packets
  
  gregbenz
  authored and
  DichenZhang1
  committed
  8ff0b83
- refactor(jpeg): unify JPEG segment size constants in jpegr.h
  DichenZhang1
  committed
  271a3d7
Commits on Sep 17, 2026
- feat(jpeg): support Adobe XMP Part 3 multi-segment Extended XMP
  DichenZhang1
  committed
  5dbaf8e
Commits on Oct 2, 2026
- feat(api): add uhdr_strip_gain_map and namespace-aware XMP merging/stripping
  DichenZhang1
  committed
  09a3936
- fix(xmp): handle near-limit XMP spill to Extended XMP, add fuzzer and fixture coverage
  DichenZhang1
  committed
  7ad11a5