vault backup: 2026-04-13 17:46:47

2026-04-13 17:46:48 +08:00
parent 83a2bb56da
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--- a/.claude/skills/excalidraw-diagram/references/excalidraw-schema.md
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+# Excalidraw JSON Schema Reference
+
+## Color Palette
+
+### Primary Colors
+| Purpose | Color | Hex |
+|---------|-------|-----|
+| Main Title | Deep Blue | `#1e40af` |
+| Subtitle | Medium Blue | `#3b82f6` |
+| Body Text | Dark Gray | `#374151` |
+| Emphasis | Orange | `#f59e0b` |
+| Success | Green | `#10b981` |
+| Warning | Red | `#ef4444` |
+
+### Background Colors
+| Purpose | Color | Hex |
+|---------|-------|-----|
+| Light Blue | Background | `#dbeafe` |
+| Light Gray | Neutral | `#f3f4f6` |
+| Light Orange | Highlight | `#fef3c7` |
+| Light Green | Success | `#d1fae5` |
+| Light Purple | Accent | `#ede9fe` |
+
+## Element Types
+
+### Rectangle
+```json
+{
+  "type": "rectangle",
+  "id": "unique-id",
+  "x": 100,
+  "y": 100,
+  "width": 200,
+  "height": 80,
+  "strokeColor": "#1e40af",
+  "backgroundColor": "#dbeafe",
+  "fillStyle": "solid",
+  "strokeWidth": 2,
+  "roughness": 1,
+  "opacity": 100,
+  "roundness": { "type": 3 }
+}
+```
+
+### Text
+```json
+{
+  "type": "text",
+  "id": "unique-id",
+  "x": 150,
+  "y": 130,
+  "text": "Content here",
+  "fontSize": 20,
+  "fontFamily": 5,
+  "textAlign": "center",
+  "verticalAlign": "middle",
+  "strokeColor": "#1e40af",
+  "backgroundColor": "transparent"
+}
+```
+
+### Arrow
+```json
+{
+  "type": "arrow",
+  "id": "unique-id",
+  "x": 300,
+  "y": 140,
+  "width": 100,
+  "height": 0,
+  "points": [[0, 0], [100, 0]],
+  "strokeColor": "#374151",
+  "strokeWidth": 2,
+  "startArrowhead": null,
+  "endArrowhead": "arrow"
+}
+```
+
+### Ellipse
+```json
+{
+  "type": "ellipse",
+  "id": "unique-id",
+  "x": 100,
+  "y": 100,
+  "width": 120,
+  "height": 120,
+  "strokeColor": "#10b981",
+  "backgroundColor": "#d1fae5",
+  "fillStyle": "solid"
+}
+```
+
+### Diamond
+```json
+{
+  "type": "diamond",
+  "id": "unique-id",
+  "x": 100,
+  "y": 100,
+  "width": 150,
+  "height": 100,
+  "strokeColor": "#f59e0b",
+  "backgroundColor": "#fef3c7",
+  "fillStyle": "solid"
+}
+```
+
+### Line
+```json
+{
+  "type": "line",
+  "id": "unique-id",
+  "x": 100,
+  "y": 100,
+  "points": [[0, 0], [200, 100]],
+  "strokeColor": "#374151",
+  "strokeWidth": 2
+}
+```
+
+## Full JSON Structure
+
+```json
+{
+  "type": "excalidraw",
+  "version": 2,
+  "source": "https://excalidraw.com",
+  "elements": [
+    // Array of elements
+  ],
+  "appState": {
+    "gridSize": null,
+    "viewBackgroundColor": "#ffffff"
+  },
+  "files": {}
+}
+```
+
+## Font Family Values
+
+| Value | Font Name |
+|-------|-----------|
+| 1 | Virgil (hand-drawn) |
+| 2 | Helvetica |
+| 3 | Cascadia |
+| 4 | Assistant |
+| 5 | Excalifont (recommended) |
+
+## Fill Styles
+
+- `solid` - Solid fill
+- `hachure` - Hatched lines
+- `cross-hatch` - Cross-hatched
+- `dots` - Dotted pattern
+
+## Roundness Types
+
+- `{ "type": 1 }` - Sharp corners
+- `{ "type": 2 }` - Slight rounding
+- `{ "type": 3 }` - Full rounding (recommended)
+
+## Element Binding
+
+To connect text to a container:
+
+```json
+{
+  "type": "rectangle",
+  "id": "container-id",
+  "boundElements": [{ "id": "text-id", "type": "text" }]
+}
+```
+
+```json
+{
+  "type": "text",
+  "id": "text-id",
+  "containerId": "container-id"
+}
+```
+
+## Arrow Binding
+
+To connect arrows to shapes:
+
+```json
+{
+  "type": "arrow",
+  "startBinding": {
+    "elementId": "source-shape-id",
+    "focus": 0,
+    "gap": 5
+  },
+  "endBinding": {
+    "elementId": "target-shape-id",
+    "focus": 0,
+    "gap": 5
+  }
+}
+```