[LibLzma] Add XZ format support

[nhz2]

This PR adds a new ChunkCodecLibLzma package with support for basic XZ format encoding and decoding using the liblzma C library https://tukaani.org/xz/

Fixes #50

[codecov]

Codecov Report

❌ Patch coverage is 82.73381% with 24 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.73%. Comparing base (c0b02e4) to head (e288ddf).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
LibLzma/src/encode.jl	74.41%	11 Missing ⚠️
LibLzma/src/decode.jl	91.25%	7 Missing ⚠️
LibLzma/src/liblzma.jl	57.14%	6 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (c0b02e4) and HEAD (e288ddf). Click for more details.

HEAD has 54 uploads less than BASE

Flag	BASE (c0b02e4)	HEAD (e288ddf)
	60	6

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #86      +/-   ##
==========================================
- Coverage   88.70%   82.73%   -5.98%     
==========================================
  Files          38        4      -34     
  Lines        1948      139    -1809     
==========================================
- Hits         1728      115    -1613     
+ Misses        220       24     -196     

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[Copilot]

Pull request overview

This PR adds XZ format support by introducing a new ChunkCodecLibLzma package that wraps the liblzma C library. This extends the ChunkCodec ecosystem with another popular compression format commonly used for distributing software packages and data archives.

Key changes:

• Implements XZ codec with encoding/decoding support using liblzma via XZ_jll
• Adds comprehensive test suite covering preset options, integrity checks, stream concatenation, and padding
• Integrates the new package into the workspace and test infrastructure

Reviewed changes

Copilot reviewed 15 out of 16 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
LibLzma/src/ChunkCodecLibLzma.jl	Main module definition following standard codec package structure with exports and ChunkCodecCore re-exports
LibLzma/src/encode.jl	XZ encoding implementation using lzma_easy_buffer_encode with configurable presets and integrity checks
LibLzma/src/decode.jl	XZ decoding implementation with streaming support for concatenated/padded data using lzma_stream_decoder
LibLzma/src/liblzma.jl	Julia bindings for liblzma C API including constants, error codes, and memory management functions
LibLzma/test/runtests.jl	Comprehensive test suite covering default options, presets, checks, concatenation, padding, and error handling
LibLzma/test/Project.toml	Test dependencies configuration
LibLzma/Project.toml	Package metadata with ChunkCodecCore and XZ_jll dependencies
LibLzma/README.md	User documentation with example usage
LibLzma/LICENSE	MIT license for the package
LibLzma/CHANGELOG.md	Release notes tracking initial release
Project.toml	Added LibLzma to workspace projects list
test/Project.toml	Added LibLzma dependency and path reference for integration tests
test/jet.jl	Added ChunkCodecLibLzma to JET static analysis testing
test/imagecodecs-compat.jl	Added XZ codec to Python imagecodecs compatibility tests
test/CondaPkg.toml	Updated imagecodecs version to 2025.11.11 for LZMA support
.github/workflows/CI.yml	Added LibLzma CI workflow configuration

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[Copilot]

Pull request overview

Copilot reviewed 15 out of 16 changed files in this pull request and generated 3 comments.

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