chore: bump beadle to v0.15.0 in marketplace

[claude-puntlabs]

Note

Low Risk
Low risk: this only updates the beadle plugin pointer/version in the marketplace manifest and does not change runtime code.

Overview
Updates .claude-plugin/marketplace.json to bump the beadle marketplace entry from v0.14.0 to v0.15.0, updating both the GitHub ref and the recorded version.

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[Copilot]

Pull request overview

Bumps the beadle plugin entry in the Claude plugin marketplace to the next release.

Changes:

• Updated beadle Git ref from v0.14.0 to v0.15.0
• Updated beadle marketplace version from 0.14.0 to 0.15.0

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[claude]

LGTM

Extended reasoning...

Overview\nSingle-file change to .claude-plugin/marketplace.json bumping the beadle plugin reference from v0.14.0 to v0.15.0 — two fields changed: source.ref and version.\n\n### Security risks\nNo security risks. This is a manifest pointer update; it changes which git tag is resolved when the plugin is installed, but does not modify any runtime code in this repository.\n\n### Level of scrutiny\nMinimal scrutiny required. This is a mechanical version bump following the same pattern as recent PRs (#196, #197) for other plugins in the marketplace. No logic, auth, or critical code paths are touched.\n\n### Other factors\nNo bugs found. No prior review comments to address. Consistent with established conventions in this repo.