Release 0.57.0

[michalharakal]

Release 0.57.0. Masked grouped-query attention exports to valid StableHLO, and the toolchain moves to Kotlin 2.4.20.

Release preparation (GITFLOW.adoc)

• docs(changelog): 0.57.0 entry covers everything since 0.56.0: fix(hlo): SDPA explicit mask under GQA and onto a dynamic key length #1303 (fixes SDPA StableHLO export: explicit mask is broadcast invalidly under GQA and onto a dynamic key length #1302), fix(data-source): export kotlinx-io as api — Source/Sink are in the public API #1295, build: Kotlin 2.4.20; actualize the Kotlin/JS yarn.lock; drop the webpack pin #1304, the dependency bumps and the CI changes.
• docs(readme): 0.57.0 highlights and BOM coordinate adds the What's New for 0.57.0 only, the BOM snippet at 0.57.0, and the contributors entry.
• docs: bump version references to 0.57.0 updates docs/antora.yml skainet_version and the Android tutorial's coordinates. A grep finds no other hardcoded sk.ainet coordinates in docs/ or README.md.
• release: 0.57.0 sets VERSION_NAME in gradle.properties.
• docs: regenerate operator and kernel matrices at 0.57.0 runs generateKernelMatrix generateDocs after the version bump. Only the version stamps change.

Gates

• Publish dry run on release/0.57.0: https://github.com/SKaiNET-developers/SKaiNET/actions/runs/35990523814
• After merge (with a merge commit): wait for every develop workflow on the merge commit to finish green, tag that commit 0.57.0, and wait for the publish run. Then fast-forward main.

[github-actions]

📖 Documentation Preview

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Generated Files:

• Operator documentation: docs/modules/operators/_generated_/
• JSON schema output: operators.json

Artifacts:

• Download the documentation-preview-1305 artifact to view the complete documentation locally.

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