Context Heatmap Show the user a visual heatmap of their context usage in the current session. Run the following command to get the current session's tracking data (uses the most recent session automatically): If no data is available yet (empty session), tell the user: "No data in this session yet. Just keep working — the optimizer tracks your reads, edits, and searches automatically!" Present the heatmap output to the user and highlight: 1. Files marked with a warning icon that were read but never used — suggest avoiding them next time 2. Files marked with an edit icon that were actually edit…