Make release ZIP checksum portable

[awatchar]

Summary

• write the provisioning ZIP checksum with the exact release asset basename instead of the GitHub runner's absolute path
• fail the release job unless the checksum line is exact and sha256sum --check succeeds
• document the portable checksum contract

Verification

• git diff --check
• release workflow YAML parse: PASS
• modified Bash packaging block parse: PASS
• checksum generation/check against the published .2 ZIP: PASS
• basename-only checksum assertion: PASS
• existing APK checksum basename assertion: PASS

Release safety

This does not modify the published 3.7.3-minimum.2 tag, Release, or assets. It corrects future release output only.

[vercel]

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
minimum	Ignored		Aug 20, 2026 8:09am