v0.15.0

What's Changed

• Docs: refresh public v0.14 release references by @TerminallyLazy in #46
• Add Codex and Claude plugin marketplaces by @TerminallyLazy in #47
• fix: address plugin security review by @TerminallyLazy in #48
• chore: sync plugin patch releases by @TerminallyLazy in #49
• Restore home marker certification coverage by @TerminallyLazy in #50
• Add verified Tree Ring bootstrap and CLI updates by @TerminallyLazy in #51

Full Changelog: v0.14.0...v0.15.0