sysmind

# SysMind

A powerful and intuitive system mapping tool designed for visualizing ideas, planning projects, and organizing thoughts. Create interconnected nodes and connections to build complex diagrams with ease.

## Features

- **Node Creation**: Add nodes with different styles (default, text, note, warning)

- **Connections**: Create directional connections between nodes (forward, backward, both, none)

- **Keyboard Shortcuts**: Full keyboard navigation and editing support

- **Undo/Redo**: Complete history management

- **Import/Export**: Save and load system maps as JSON files

- **Zoom & Pan**: Smooth canvas navigation

- **Multi-language**: Support for English and Chinese

- **Responsive Design**: Works on desktop and mobile browsers

## How to Use

### Creating Nodes

- Press `Enter` to create a new node

- Click on a node to select and edit its text

- Use `Tab` to cycle through node styles

### Creating Connections

- Select a node and press `Enter` to start a connection

- Click on another node to complete the connection

- Hold `Shift + Enter` to create a node below the current one

- Press `Ctrl + Enter` (or `Cmd + Enter` on Mac) for return connections

### Navigation

- Use arrow keys to move focus between elements

- `Ctrl + Scroll` (or `Cmd + Scroll` on Mac) to zoom in/out

- `Ctrl + 0` (or `Cmd + 0` on Mac) to reset zoom

- Drag the canvas to pan around

### Editing

- Press `Space` to edit the selected element

- Press `Delete` (or `Backspace` on Mac) to delete focused elements

- `Ctrl + Z` (or `Cmd + Z` on Mac) to undo

- `Ctrl + Y` (or `Cmd + Y` on Mac) to redo

## Controls

| Action | Shortcut |

|--------|----------|

| Create Node | `Enter` |

| Create Connection | `Enter` (on selected node) |

| Create Node Below | `Shift + Enter` |

| Return Connection | `Ctrl + Enter` / `Cmd + Enter` |

| Edit Text | `Space` |

| Delete | `Delete` / `Backspace` |

| Undo | `Ctrl + Z` / `Cmd + Z` |

| Redo | `Ctrl + Y` / `Cmd + Y` |

| Zoom In | `Ctrl + =` / `Cmd + =` |

| Zoom Out | `Ctrl + -` / `Cmd + -` |

| Reset Zoom | `Ctrl + 0` / `Cmd + 0` |

| Move Focus | Arrow Keys |

| Cycle Node Style | `Tab` |

| Search | `/` |

| Open Shortcuts | `Shift + ?` |