Minimap reflects execution overlay: green for completed, red for failed,
grey for skipped nodes. ENDPOINT nodes are always green when overlay is
active (route entry point, same as main diagram logic).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Small overview panel in the bottom-left showing the full diagram
layout with colored node rectangles and an amber viewport indicator.
Click or drag on the minimap to pan the main diagram.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
