v0.9.0

https://devchain.twitechlab.com/releases/0.9.0/

Skills management module with sync engine and per-project controls
Five skill source adapters: Anthropic, OpenAI, Vercel, Trail of Bits, Microsoft
Source-level enable/disable with per-skill overrides
Skills UI: browsing, search, detail drawer, usage stats
MCP tools: devchain_list_skills and devchain_get_skill for agent access
DevLoop template v1.0.6: skills integration in SubBSM, Epic Manager, and Coder SOPs