Editorial timeline with vertical track, colored phase markers,
2-column feature grids per milestone. Shows v0.1→v0.8 evolution:
Foundation → Groups → Shared Intelligence → Files → Data Platform
→ Platform. Anchored by '66 npm releases. Every feature below is
in production today.' Dashed 'next' card at bottom for roadmap.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>