M4 Catalog Complete

All catalog layers now meet the M4 Definition of Done:

• 52 primitives — headless, accessible building blocks with full a11y evidence
• 30 components — styled recipe wrappers for CSS, Tailwind, and UnoCSS
• 36 blocks — page-level composables with loading, empty, error, and restricted states
• 29 templates — full application starters across Balanced and Enterprise portfolios
• 4 theme presets — Ocean, Forest, Slate, Aurora with AA contrast compliance

#Gate Evidence

• gate:phase1 passes 255/255
• gate:phase3 passes 21/21
• template:catalog-gate passes 29/29
• block:catalog-gate passes 36/36
• component:catalog-gate passes 30/30
• Translation check: 0 stale, 0 missing

#What’s Next

The project moves to M5 — GA hardening, playground, marketing content, and production cutover.