v0.4.2

Changelog

• 686e013 Merge pull request #17 from gzb1128/fix/mcp-config-wipe-and-install-panic
• 207deed fix: stop opencode.json wipe and install panic on failure paths
• 3475c46 Merge pull request #16 from gzb1128/docs/agents-md-cleanup
• 781d13d docs: remove broken links and complete AGENTS.md navigation table
• 0d72043 Merge pull request #15 from gzb1128/fix/corrupted-clone-recovery
• bb00f4e fix: skip submodule recursion when cloning plugin source
• c3e0feb fix: make plugin update atomic with rollback on download failure
• 218c05e Merge pull request #14 from gzb1128/fix/corrupted-clone-recovery