- Added computeReplyLevels() to compute reply depth from NIP-10 e tags
- Added buildDepthFirstOrder() for depth-first thread sorting (root first, children grouped by parent chronologically)
- Render vertical indent lines using CSS variables (var(--muted-color) for non-selected, var(--accent-color) for focused post)
- Added collapse/expand functionality with hidden reply count
- Added focused post highlight via ?focus=<eventId> URL param
- Real-time subscriptions preserved — new replies appear in correct threaded position
- All colors use CSS variables — no hardcoded colors
Laan Tungir
c5f682c5fe