Replace per-directory README.md index files with automatic glob toctree
in root index.rst (docs/**). Add lint test that fails if any README.md
appears under docs/. Document the no-README rule in documentation.md.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
The colorscheme-generator produces --color-rgb-XX-YY tokens. All role style
files were using the non-canonical --color-XX-rgb-YY alias format. Taiga had
a local alias block mapping the old format to the correct one; that block is
now removed as it is no longer needed.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>