docs/architecture/c4-component-layers.md — the Level-3 layer
dependency graph generated by `deptrac analyse --formatter=mermaidjs`
(code-derived, drift-proof). Closes the A6 «C4 drift» gap at the
component level. README diagram index + regenerate note updated.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Дмитрий