Click and drag on empty space to draw a selection rectangle. Gates
inside the box get selected (cyan dashed outline). Drag any selected
gate to move all of them together. Delete/Backspace removes all
selected gates and their connections. Escape clears the selection.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Hold Shift and drag across wires to create a BUS gate that groups
them together. The cut line shows a live preview with wire count.
BUS gates are pass-through (each input maps to its output) and
render as a thin cyan bar with ports on each side.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Opens the component editor with the internal circuit loaded for
modification. On save, updates the component definition and all
existing instances in the main circuit.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- 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>
Add progressive puzzle mode alongside the existing sandbox:
- 8 levels from basic gates to 2-bit adder
- Truth table verification with pass/fail feedback
- Gate restrictions per level
- Custom components system (save circuits as reusable chips)
- Save/load circuits as JSON
- Level selection sidebar with difficulty ratings
- Mode toggle: Sandbox (free play) vs Puzzle (guided levels)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
