- Add renderTocTag(): groups visible pages by section in section sort
order; sorts pages within each section by sort then filename; excludes
current page, draft sections, and category-invisible pages; renders
section headings and linked page lists; replaces the tag placeholder
- Add toc dispatch in hydrateMdcmsTags()
- Add .mdcms-toc, .mdcms-toc-section, .mdcms-toc-list CSS
https://claude.ai/code/session_015XtsgTMi8UtmgxEgb5Qt2c
- Phase 4 branch points to claude/debug-api-errors-gd730
- Phase 4 EXTRA_FILES checks out app/config.yml and app/pages/home.md
from the branch (needed for message: key test and callout test cases)
- Updated Phase 4 verify checklist covers all spec requirements:
basic types, title row, no-title, markdown body, icon override,
message: key, dark mode
- Added EXTRA_FILES mechanism for per-phase content file checkout
- Improved checklist formatting with section headers
https://claude.ai/code/session_01UP8Wo2CKPNhvvTkzX48CWF
