Chat status indicators:
- ChatMessage: Avatar with online status on incoming messages
- VirtualizedChatMessageItem: proper Avatar component with status
- ChatInterfaceMessages: added status="online" to existing avatars
- ConversationItem: Avatar with status for DM conversations
Notification polish:
- AnimatePresence + motion.div on dropdown (scale+fade, 150ms)
- Date grouping: Today, Yesterday, This Week, Earlier
- Sticky section headers with backdrop-blur
Feature discovery (new FeatureHighlight component):
- One-time spotlight tooltip with localStorage persistence
- Applied to: search bar (Ctrl+K), keyboard shortcuts (?), track context menu
- framer-motion animation with 0.5s delay
Co-authored-by: Cursor <cursoragent@cursor.com>
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