[Bug] Context Warning Mismatch in Token Usage Display

Bug Description
/context command does not match context warning.

/context
⎿  ⛁ ⛁ ⛁ ⛁ ⛀ ⛁ ⛁ ⛁ ⛁ ⛁
⛁ ⛀ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ Context Usage
⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ claude-sonnet-4-20250514 • 162k/200k tokens (81%)
⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁
⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ System prompt: 9.0k tokens (4.5%)
⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ System tools: 13.4k tokens (6.7%)
⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ Custom agents: 1.7k tokens (0.8%)
⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ ⛁ Memory files: 4.5k tokens (2.3%)
⛁ ⛁ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛁ Messages: 133.4k tokens (66.7%)
⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ ⛶ Free space: 37.9k (19.0%)

Context warning in status at bottom of terminal UI
Context low (4% remaining) · Run /compact to compact & continue

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 1.0.115
• Feedback ID: 6c21c906-f91e-4866-8ca5-6bcd3481c564