v0.2.0

Changelog

• 3191dd6 cleanup: remove dead code and fix unused imports
• 63832b0 docs(github-pages): auto-generate docs site from source
• 1d93b6d feat: add ValidateAll API for batch document validation
• 6335cc5 feat: add serve and completion subcommands
• 9475998 feat: register serve command and add --bare, --port flags
• 9db7a65 feat: support h4 and h5 heading levels
• 32e1bcd fix(ci): install Chrome for Docs, upgrade .golangci.yml to v2, use bash shell for Windows test
• 369aa78 fix(ci): resolve lint errors in docsgen
• 925a5fd fix(docs): add --batch --no-tty to gpg in Chrome install
• 98693a1 fix(lint): goimports.local-prefixes must be array in v2
• 0d97502 fix(lint): remove gosimple/tenv (v2 removed); fix(docs): use browser-actions/setup-chrome
• a49232f fix(lint): replace remaining raw 'title' and '[1.0.0]' strings with constants
• a484001 fix(lint): resolve all 54 golangci-lint v2 issues
• b6130b6 fix(lint): resolve remaining goconst issues in mdx package
• 1bdd9af fix(render): add disable-dev-shm-usage flag for CI; switch to direct Chrome deb install
• 6a99c9d fix(render): use QueryEscape and filepath.Dir
• afef384 fix: add warning-title CSS class and use stdlib HTML escaping
• 8b1c2e4 lint: preallocate slices in buildHTML
• 016b4cf refactor(config): simplify lint config, use render defaults
• f974763 refactor(init): add --bare flag, template placeholders
• b66ce95 refactor(mdx): simplify AnchorID, remove AnchorIDRaw
• b273152 refactor(output): improve validation summary with per-file breakdown
• 0d69d26 style(github-pages): redesign docs site with ASCII hero, light theme, animations