Release 0.6.0

Features

• mcp: agent harness — MCP server, headless sessions and eval (670841b)
• read script-drawn pages, guess code languages and polish extraction (9420c56)
• web: blueprint redesign of the docs site (DS-2.0) (29db8e3)

Performance Improvements

• faster extraction, search and render in three single-pass rewrites (98e23e9)