- Extract token usage from message_delta events in backend - Calculate context usage percentage (input + cache tokens / 200k) - Add context_update, compacting_started/finished, compact_boundary events - Display progress bar that fills up as context is consumed - Color-coded warnings (green→yellow→red) based on usage - Show compacting status indicator when auto-compact runs - Display system messages for compact start/finish with usage stats 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>