268013d053
- Redesigned toolbar with I/O, Gates, and Components sections - Component editor: sub-canvas mode to design reusable chips - Save/Cancel with main circuit state preservation - Components persist in localStorage - Custom components render as purple chips with dynamic I/O ports - Component evaluation simulates internal circuit as black box - Toolbar height increased to 56px for section labels - All height references updated consistently Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>