v0.5.0

Changelog

• af3df57 Merge pull request #24 from gzb1128/remove-mcp-support
• be63cf4 refactor!: remove MCP support
• b17deca Merge pull request #23 from gzb1128/fix/plugin-update-skip-disabled
• f725f1f fix(plugin): skip disabled plugins during bulk update
• 6b56709 Merge pull request #22 from gzb1128/docs/agents-md-linker-ref
• 5125792 docs(agents): fix stale symbol ref in orphan-symlink section
• fdb4e9a Merge pull request #21 from gzb1128/fix/orphan-symlink-force-cleanup
• 97d1e0c fix(plugin): clean orphan symlinks pointing outside plugin cache
• 0bd5c3b Merge pull request #20 from gzb1128/docs/agents-md-source-types
• e10162f docs: correct AGENTS.md plugin source types after 5-type expansion
• 4207358 Merge pull request #19 from gzb1128/fix/git-retry-timeout
• 51bba11 feat: add retry and timeout for go-git clone/fetch/pull operations
• 0c88b95 Merge pull request #18 from gzb1128/fix/quality-hardening
• f908ba8 fix: harden plugin lifecycle state handling