jiba 1.3.1 (new cask)

[ButaiKirin]

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• The submission is for a stable version or documented exception.
• brew audit --cask --online <cask> is error-free.
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Additionally, if adding a new cask:

• Named the cask according to the token reference.
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• brew audit --cask --new <cask> worked successfully.
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• brew uninstall --cask <cask> worked successfully.

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I used Gemini to verify the cask syntax and format and I manually tested the installation and uninstallation locally, verified the zap paths.

[Copilot]

Pull request overview

Adds a new Homebrew Cask for JiBA, enabling brew install --cask jiba for the stable 1.3.1 release.

Changes:

• Introduces jiba cask with versioned download URL and SHA-256.
• Adds Sparkle-based livecheck for update detection.
• Defines macOS Ventura+ requirement, auto_updates, and zap cleanup paths.

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