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# Open Canvas 集成进度文档
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> 更新时间：2026-05-15
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> 当前分支：dhk-1
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---
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## 一、整体进度概览
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| 阶段 | 名称 | 状态 |
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|------|------|------|
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| 前端阶段一 | 路由与目录骨架 | ✅ 已完成 |
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| 前端阶段二 | Canvas 双栏布局 | ✅ 已完成 |
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| 前端阶段三 | 类型与状态协议 | ✅ 已完成（随阶段一一并完成） |
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| 后端阶段一 | ThreadState 扩展 | ✅ 已完成 |
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| 后端阶段二 | canvas_agent 注册 + 最小节点闭环 | ✅ 已完成 |
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| 前端阶段四 | API 适配层 | ✅ 已完成 |
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| 前端阶段五 | 线程与流式状态接入 | ✅ 已完成 |
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| 前端阶段六 | Artifact 渲染器增强（CodeMirror / Markdown） | ✅ 已完成 |
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| 前后端阶段七 | 局部选区改写 | ✅ 已完成 |
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| 前后端阶段八 | 快捷动作系统 | ⬜ 待开始 |
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| 前后端阶段九 | 本地模型支持完善 | ⬜ 待开始 |
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**下一个要做的任务**：前后端阶段八 — 快捷动作系统（CanvasEmptyState 模板触发 + 快捷动作按钮）
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---
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## 二、已完成工作详情
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### 2.1 前端路由接入
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修改了 `frontend-web/src/pages/PageRoutes.tsx`：
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```tsx
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import OpenCanvasRoutes from "@/open-canvas/routes/OpenCanvasRoutes";
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// 在 PageLayout 内部添加：
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<Route path="canvas/*" element={<OpenCanvasRoutes />} />
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```
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子路由：
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- `/page/canvas` → `CanvasHomePage`（欢迎页 + 快速开始）
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- `/page/canvas/:thread_id` → `CanvasThreadPage`（主工作区）
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### 2.2 前端目录结构（已建立，26 个文件）
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```
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frontend-web/src/open-canvas/
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api/
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client.ts # stub，Phase 5 实现
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models.ts # stub，Phase 5 实现
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threads.ts # stub，Phase 5 实现
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runs.ts # stub，Phase 5 实现
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components/
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layout/
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CanvasShell.tsx # 顶层布局壳，flex-col
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CanvasHeader.tsx # 顶部栏：返回键、折叠按钮、标题、流式指示
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CanvasResizableLayout.tsx # 左右可拖拽双栏（react-resizable-panels）
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chat/
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CanvasChatPanel.tsx # 左栏：欢迎状态 + 消息列表 + 禁用输入框
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artifact/
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CanvasArtifactPanel.tsx # 右栏：空状态或渲染器
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CanvasArtifactHeader.tsx # 右栏顶部：图标、标题、语言 Badge、版本导航
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CanvasArtifactVersionNav.tsx # 版本 prev/next 导航
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CanvasEmptyState.tsx # 空状态：5 种快速开始模板
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TextArtifactRenderer.tsx # 文本渲染（Phase 6 增强为 Markdown）
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CodeArtifactRenderer.tsx # 代码渲染（Phase 6 增强为 CodeMirror）
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contexts/
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CanvasThreadContext.tsx # threadId、modelName
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CanvasGraphContext.tsx # messages、artifact、isStreaming
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CanvasUIContext.tsx # isChatCollapsed、isEditing、selection 等 UI 状态
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hooks/
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useCanvasStream.ts # stub，Phase 5 实现
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useCanvasArtifact.ts # stub，Phase 6 实现
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useCanvasSelection.ts # stub，Phase 7 实现
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useCanvasQuickActions.ts # stub，Phase 8 实现
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pages/
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CanvasHomePage.tsx # 欢迎页 + 快速开始入口
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CanvasThreadPage.tsx # 三层 Provider 装配 + CanvasShell
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routes/
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OpenCanvasRoutes.tsx # React Router 子路由
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types/
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artifact.ts # CanvasArtifact、CanvasArtifactText、CanvasArtifactCode
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thread.ts # CanvasMessage、CanvasThreadValues、CanvasThreadMetadata
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model.ts # CanvasModel（含 supports_canvas_* 能力字段）
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selection.ts # CanvasTextSelection、CanvasCodeSelection
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quick-action.ts # QuickAction、QuickActionId
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utils/
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artifact.ts # getCurrentArtifactContent、appendArtifactVersion 等工具
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selection.ts # stub
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thread.ts # stub
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stream.ts # stub
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quick-actions.ts # stub
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constants/
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index.ts # CANVAS_AGENT_ID、PROGRAMMING_LANGUAGES、QUICK_ACTIONS_*
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```
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### 2.3 核心类型定义
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```ts
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// types/artifact.ts
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export type CanvasArtifact = {
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currentIndex: number; // 从 1 开始
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contents: CanvasArtifactContent[];
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};
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export type CanvasArtifactText = {
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index: number; type: "text"; title: string; fullMarkdown: string;
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};
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export type CanvasArtifactCode = {
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index: number; type: "code"; title: string;
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language: ProgrammingLanguageOptions; code: string;
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};
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```
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### 2.4 Context 结构
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```tsx
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// CanvasThreadPage.tsx 的装配顺序
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<CanvasThreadProvider initialThreadId={thread_id}>
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<CanvasGraphProvider>
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<CanvasUIProvider>
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<CanvasShell />
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</CanvasUIProvider>
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</CanvasGraphProvider>
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</CanvasThreadProvider>
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```
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---
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## 三、已解决的技术难题
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### 3.1 react-resizable-panels v4.6.2 API 差异
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此版本与旧版 API 不同，必须使用：
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```tsx
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// ✅ 正确写法
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import type { GroupImperativeHandle } from "react-resizable-panels";
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const layoutRef = useRef<GroupImperativeHandle>(null);
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<ResizablePanelGroup
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orientation="horizontal" // ← 不是 direction
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groupRef={layoutRef} // ← 不是 ref
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>
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<ResizablePanel id="chat" ... /> // ← 必须有 id
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<ResizablePanel id="artifact" ... /> // ← 必须有 id
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</ResizablePanelGroup>
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// 切换折叠
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layoutRef.current?.setLayout({ chat: 0, artifact: 100 }); // ← 对象形式，非数组
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```
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### 3.2 Flex 高度链（防止底部内容被裁剪）
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```
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PageLayout（h-screen）
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└── main（flex-1）
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└── CanvasShell div（h-full flex flex-col）
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└── CanvasResizableLayout wrapper（flex-1 min-h-0 overflow-hidden）← 关键
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└── ResizablePanelGroup（h-full）
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└── 面板内容（h-full）
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```
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**`min-h-0` 是必须的**，否则 flex 子项不会收缩，底部内容被推出屏幕外。
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### 3.3 折叠/展开按钮
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`CanvasHeader.tsx` 中通过 `useCanvasUIContext()` 控制 `isChatCollapsed`，
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`CanvasResizableLayout.tsx` 中用 `useEffect` 监听并调用 `setLayout`：
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```tsx
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useEffect(() => {
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layoutRef.current?.setLayout(
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isChatCollapsed ? { chat: 0, artifact: 100 } : { chat: 35, artifact: 65 }
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);
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}, [isChatCollapsed]);
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```
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---
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## 四、下一步：后端 ThreadState 扩展
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**目标文件**：`offline-backend-20260512/backend/packages/harness/deerflow/agents/thread_state.py`
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**任务**：在现有 `ThreadState` 中新增以下 Canvas 专用字段，不影响 `artifacts: list[str]`（文件产物）：
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```python
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# 新增 TypedDict（建议单独定义）
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class CanvasArtifactText(TypedDict):
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index: int
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type: Literal["text"]
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title: str
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fullMarkdown: str
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class CanvasArtifactCode(TypedDict):
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index: int
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type: Literal["code"]
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title: str
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language: str
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code: str
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class CanvasArtifact(TypedDict):
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currentIndex: int
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contents: list[CanvasArtifactText | CanvasArtifactCode]
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# 在 ThreadState 中新增字段
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artifact: Optional[CanvasArtifact] # Canvas 主文档（区别于 artifacts 文件列表）
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highlighted_text: Optional[str] # 用户选中的文本片段
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highlighted_code: Optional[str] # 用户选中的代码片段
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canvas_mode: Optional[Literal["text", "code"]]
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quick_action_id: Optional[str] # 快捷动作 id
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web_search_enabled: bool # 默认 False
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web_search_results: Optional[list[dict]]
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```
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**验收标准**：
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- 旧线程无 `artifact` 字段时不报错
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- `pnpm typecheck` 无新增错误（前端字段已对齐）
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- `make test` 全量回归通过
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**之后紧接**：`canvas_agent` 注册 + `factory.py` 修改 + 最小节点闭环
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---
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## 五、关键文件位置
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| 文件 | 用途 |
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|------|------|
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| `frontend-web/docs/openCanvas.md` | 主需求文档 |
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| `frontend-web/docs/openCanvas-frontend-checklist.md` | 前端详细清单 |
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| `frontend-web/docs/openCanvas-backend-checklist.md` | 后端详细清单 |
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| `frontend-web/docs/openCanvas-progress.md` | 本进度文档 |
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| `F:\react01\openCanvas` | open-canvas 源码参考（本地克隆） |
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| `offline-backend-20260512/backend/packages/harness/deerflow/agents/thread_state.py` | 下一步主改文件 |
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| `offline-backend-20260512/backend/packages/harness/deerflow/agents/factory.py` | canvas_agent 注册位置 |
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---
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## 六、架构决策记录
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| 决策 | 内容 |
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|------|------|
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| canvas_agent 方案 | 新增独立 canvas_agent，不改 lead_agent（方案 A）|
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| 路由形式 | `/page/canvas/*`，挂在 PageLayout 内 |
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| artifact 字段共存 | `artifact`（Canvas 文档）与 `artifacts: list[str]`（文件列表）独立共存 |
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| 模型配置真源 | 后端 config.yaml，前端动态加载 /api/models |
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| 前端 artifact 索引 | 从 1 开始（与 open-canvas 对齐） |
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| 流式首版策略 | 节点完成后输出完整 artifact 对象，不做 token 级局部流 |
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---
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## 七、开始新对话的推荐提示词
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```
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我们在集成 open-canvas 到 DeerFlow 项目。
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参考进度文档：frontend-web/docs/openCanvas-progress.md
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目前前端阶段一/二/三已完成，下一步是后端 ThreadState 扩展。
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请从第四节"下一步：后端 ThreadState 扩展"开始继续。
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```
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export { getAPIClient } from "@/core/api";
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import { apiFetch } from "@/core/api";
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import { getBackendBaseURL } from "@/core/config";
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import type { CanvasModel } from "../types/model";
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interface BackendModel {
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name: string;
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display_name?: string;
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provider?: string;
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is_local?: boolean;
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supports_vision?: boolean;
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supports_thinking?: boolean;
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supports_reasoning_effort?: boolean;
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supports_tool_calling?: boolean;
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}
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export async function loadCanvasModels(): Promise<CanvasModel[]> {
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const res = await apiFetch(`${getBackendBaseURL()}/api/models`);
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const data = (await res.json()) as { models?: BackendModel[] };
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return (data.models ?? []).map(
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(m): CanvasModel => ({
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name: m.name,
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display_name: m.display_name ?? m.name,
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provider: m.provider,
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is_local: m.is_local,
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supports_vision: m.supports_vision,
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supports_thinking: m.supports_thinking,
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supports_reasoning_effort: m.supports_reasoning_effort,
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supports_tool_calling: m.supports_tool_calling ?? true,
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supports_canvas_generation: true,
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supports_canvas_rewrite: true,
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supports_canvas_code_edit: true,
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supports_streaming_text: true,
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supports_streaming_tool_calls: m.supports_tool_calling ?? true,
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}),
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);
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}
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@@ -0,0 +1,62 @@
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import { getAPIClient } from "@/core/api";
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import { CANVAS_AGENT_ID } from "../constants";
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import type { CanvasArtifact } from "../types/artifact";
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import type { CanvasMessage } from "../types/thread";
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export type CanvasRunInput = {
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messages: Array<{ type: string; content: string }>;
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canvas_mode?: "text" | "code";
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highlighted_text?: string;
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highlighted_code?: string;
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quick_action_id?: string;
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};
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export type CanvasStreamCallbacks = {
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onMessage?: (msg: CanvasMessage) => void;
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onArtifact?: (artifact: CanvasArtifact) => void;
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onDone?: () => void;
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onError?: (err: unknown) => void;
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};
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export async function streamCanvasRun(
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threadId: string,
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input: CanvasRunInput,
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callbacks: CanvasStreamCallbacks,
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): Promise<void> {
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const client = getAPIClient();
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try {
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const stream = client.runs.stream(threadId, CANVAS_AGENT_ID, {
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input,
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streamMode: ["values", "messages-tuple"],
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});
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for await (const chunk of stream) {
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// Cast to string: SDK typings only list a subset of event names
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const event = chunk.event as string;
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const data = (chunk as { event: string; data: unknown }).data;
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if (event === "values") {
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const state = data as Record<string, unknown>;
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if (state.artifact) {
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callbacks.onArtifact?.(state.artifact as CanvasArtifact);
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}
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} else if (event === "messages/tuple") {
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const [msg] = data as [CanvasMessage];
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if (msg) {
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callbacks.onMessage?.(msg);
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}
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}
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}
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callbacks.onDone?.();
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} catch (err) {
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callbacks.onError?.(err);
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}
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}
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export async function stopCanvasRun(
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threadId: string,
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runId: string,
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): Promise<void> {
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const client = getAPIClient();
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await client.runs.cancel(threadId, runId);
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}
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@@ -0,0 +1,35 @@
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import { getAPIClient } from "@/core/api";
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import { CANVAS_THREAD_METADATA } from "../constants";
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import type { CanvasThreadMetadata, CanvasThreadValues } from "../types/thread";
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export async function createCanvasThread(
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metadata?: Partial<CanvasThreadMetadata>,
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): Promise<string> {
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const client = getAPIClient();
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const thread = await client.threads.create({
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metadata: { ...CANVAS_THREAD_METADATA, ...metadata },
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});
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return thread.thread_id;
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}
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export async function getCanvasThread(
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threadId: string,
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): Promise<CanvasThreadValues | null> {
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const client = getAPIClient();
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try {
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const state =
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await client.threads.getState<CanvasThreadValues>(threadId);
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return (state.values as CanvasThreadValues) ?? null;
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} catch {
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return null;
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}
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}
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export async function updateCanvasThreadState(
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threadId: string,
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values: Partial<CanvasThreadValues>,
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): Promise<void> {
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const client = getAPIClient();
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await client.threads.updateState(threadId, { values });
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}
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@@ -0,0 +1,34 @@
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import { FileText, Code2 } from "lucide-react";
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import { Badge } from "@/components/ui/badge";
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import { useCanvasGraphContext } from "../../contexts/CanvasGraphContext";
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import { getCurrentArtifactContent } from "../../utils/artifact";
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import { CanvasArtifactVersionNav } from "./CanvasArtifactVersionNav";
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export function CanvasArtifactHeader() {
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const { artifact } = useCanvasGraphContext();
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const content = getCurrentArtifactContent(artifact);
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||||
if (!content) return null;
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||||
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||||
const isCode = content.type === "code";
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||||
const Icon = isCode ? Code2 : FileText;
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||||
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||||
return (
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||||
<div className="h-11 border-b flex items-center px-4 gap-2 shrink-0 bg-background">
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||||
<Icon className="h-4 w-4 text-muted-foreground shrink-0" />
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|
||||
<span className="text-sm font-medium truncate flex-1 min-w-0">
|
||||
{content.title}
|
||||
</span>
|
||||
|
||||
<div className="flex items-center gap-2 shrink-0">
|
||||
<Badge variant="secondary" className="text-[10px] h-5 px-1.5">
|
||||
{isCode ? (content as { language: string }).language : "文本"}
|
||||
</Badge>
|
||||
<CanvasArtifactVersionNav />
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,41 @@
|
||||
import { useSearchParams } from "react-router-dom";
|
||||
|
||||
import { useCanvasGraphContext } from "../../contexts/CanvasGraphContext";
|
||||
import { getCurrentArtifactContent, isCodeArtifact } from "../../utils/artifact";
|
||||
import { CanvasArtifactHeader } from "./CanvasArtifactHeader";
|
||||
import { CanvasEmptyState } from "./CanvasEmptyState";
|
||||
import { TextArtifactRenderer } from "./TextArtifactRenderer";
|
||||
import { CodeArtifactRenderer } from "./CodeArtifactRenderer";
|
||||
import type {
|
||||
CanvasArtifactCode,
|
||||
CanvasArtifactText,
|
||||
} from "../../types/artifact";
|
||||
|
||||
export function CanvasArtifactPanel() {
|
||||
const { artifact } = useCanvasGraphContext();
|
||||
const [searchParams] = useSearchParams();
|
||||
const initialType = searchParams.get("type") as "text" | "code" | null;
|
||||
|
||||
if (!artifact) {
|
||||
return (
|
||||
<div className="h-full bg-muted/10">
|
||||
<CanvasEmptyState initialType={initialType} />
|
||||
</div>
|
||||
);
|
||||
}
|
||||
|
||||
const content = getCurrentArtifactContent(artifact);
|
||||
|
||||
return (
|
||||
<div className="h-full flex flex-col overflow-hidden">
|
||||
<CanvasArtifactHeader />
|
||||
<div className="flex-1 overflow-hidden">
|
||||
{content && isCodeArtifact(content) ? (
|
||||
<CodeArtifactRenderer content={content as CanvasArtifactCode} />
|
||||
) : content ? (
|
||||
<TextArtifactRenderer content={content as CanvasArtifactText} />
|
||||
) : null}
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,50 @@
|
||||
import { ChevronLeft, ChevronRight } from "lucide-react";
|
||||
|
||||
import { Button } from "@/components/ui/button";
|
||||
|
||||
import { useCanvasGraphContext } from "../../contexts/CanvasGraphContext";
|
||||
import { setCurrentArtifactIndex } from "../../utils/artifact";
|
||||
|
||||
export function CanvasArtifactVersionNav() {
|
||||
const { artifact, setArtifact } = useCanvasGraphContext();
|
||||
|
||||
if (!artifact || artifact.contents.length <= 1) return null;
|
||||
|
||||
const total = artifact.contents.length;
|
||||
const current = artifact.currentIndex;
|
||||
const canGoPrev = current > 1;
|
||||
const canGoNext = current < total;
|
||||
|
||||
function go(delta: -1 | 1) {
|
||||
if (!artifact) return;
|
||||
setArtifact(setCurrentArtifactIndex(artifact, current + delta));
|
||||
}
|
||||
|
||||
return (
|
||||
<div className="flex items-center gap-0.5">
|
||||
<Button
|
||||
variant="ghost"
|
||||
size="icon"
|
||||
className="h-6 w-6"
|
||||
onClick={() => go(-1)}
|
||||
disabled={!canGoPrev}
|
||||
title="上一个版本"
|
||||
>
|
||||
<ChevronLeft className="h-3.5 w-3.5" />
|
||||
</Button>
|
||||
<span className="text-xs text-muted-foreground tabular-nums w-10 text-center">
|
||||
{current}/{total}
|
||||
</span>
|
||||
<Button
|
||||
variant="ghost"
|
||||
size="icon"
|
||||
className="h-6 w-6"
|
||||
onClick={() => go(1)}
|
||||
disabled={!canGoNext}
|
||||
title="下一个版本"
|
||||
>
|
||||
<ChevronRight className="h-3.5 w-3.5" />
|
||||
</Button>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,168 @@
|
||||
import { FileText, Code2, Globe, Atom, Terminal } from "lucide-react";
|
||||
import type { LucideIcon } from "lucide-react";
|
||||
|
||||
import { useCanvasGraphContext } from "../../contexts/CanvasGraphContext";
|
||||
import { createDraftArtifact } from "../../utils/artifact";
|
||||
import type { ProgrammingLanguageOptions } from "../../types/artifact";
|
||||
|
||||
const HTML_TEMPLATE = `<!DOCTYPE html>
|
||||
<html lang="zh-CN">
|
||||
<head>
|
||||
<meta charset="UTF-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||||
<title>页面标题</title>
|
||||
<style>
|
||||
body { font-family: sans-serif; margin: 2rem; color: #333; }
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<h1>Hello World</h1>
|
||||
<p>在这里开始编写你的页面</p>
|
||||
</body>
|
||||
</html>`;
|
||||
|
||||
const REACT_TEMPLATE = `import React from "react";
|
||||
|
||||
interface Props {
|
||||
// 在这里定义 props
|
||||
}
|
||||
|
||||
export default function MyComponent({}: Props) {
|
||||
return (
|
||||
<div>
|
||||
<h1>My Component</h1>
|
||||
<p>在这里开始编写你的组件</p>
|
||||
</div>
|
||||
);
|
||||
}`;
|
||||
|
||||
const PYTHON_TEMPLATE = `def main():
|
||||
"""主函数"""
|
||||
print("Hello, World!")
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()`;
|
||||
|
||||
interface QuickStartOption {
|
||||
icon: LucideIcon;
|
||||
title: string;
|
||||
description: string;
|
||||
type: "text" | "code";
|
||||
templateTitle: string;
|
||||
content: string;
|
||||
language?: ProgrammingLanguageOptions;
|
||||
}
|
||||
|
||||
const QUICK_START_OPTIONS: QuickStartOption[] = [
|
||||
{
|
||||
icon: FileText,
|
||||
title: "空白文档",
|
||||
description: "从空白 Markdown 文档开始",
|
||||
type: "text",
|
||||
templateTitle: "未命名文档",
|
||||
content: "",
|
||||
},
|
||||
{
|
||||
icon: Code2,
|
||||
title: "空白代码",
|
||||
description: "从空白代码文件开始",
|
||||
type: "code",
|
||||
templateTitle: "未命名代码",
|
||||
content: "",
|
||||
language: "python",
|
||||
},
|
||||
{
|
||||
icon: Globe,
|
||||
title: "HTML 页面",
|
||||
description: "基础 HTML 页面模板",
|
||||
type: "code",
|
||||
templateTitle: "HTML 页面",
|
||||
content: HTML_TEMPLATE,
|
||||
language: "html",
|
||||
},
|
||||
{
|
||||
icon: Atom,
|
||||
title: "React 组件",
|
||||
description: "TypeScript React 组件模板",
|
||||
type: "code",
|
||||
templateTitle: "React 组件",
|
||||
content: REACT_TEMPLATE,
|
||||
language: "typescript",
|
||||
},
|
||||
{
|
||||
icon: Terminal,
|
||||
title: "Python 脚本",
|
||||
description: "Python 入口脚本模板",
|
||||
type: "code",
|
||||
templateTitle: "Python 脚本",
|
||||
content: PYTHON_TEMPLATE,
|
||||
language: "python",
|
||||
},
|
||||
];
|
||||
|
||||
interface CanvasEmptyStateProps {
|
||||
initialType?: "text" | "code" | null;
|
||||
}
|
||||
|
||||
export function CanvasEmptyState({ initialType }: CanvasEmptyStateProps) {
|
||||
const { setArtifact } = useCanvasGraphContext();
|
||||
|
||||
function handleSelect(option: QuickStartOption) {
|
||||
setArtifact(
|
||||
createDraftArtifact(option.type, {
|
||||
title: option.templateTitle,
|
||||
content: option.content,
|
||||
language: option.language,
|
||||
}),
|
||||
);
|
||||
}
|
||||
|
||||
const filtered =
|
||||
initialType
|
||||
? QUICK_START_OPTIONS.filter(
|
||||
(o) => !initialType || o.type === initialType || o.type === "text",
|
||||
)
|
||||
: QUICK_START_OPTIONS;
|
||||
|
||||
return (
|
||||
<div className="h-full flex flex-col items-center justify-center px-6">
|
||||
<div className="w-full max-w-sm space-y-6">
|
||||
<div className="text-center space-y-1">
|
||||
<p className="text-sm font-medium">选择模板快速开始</p>
|
||||
<p className="text-xs text-muted-foreground">
|
||||
或直接在左侧聊天区发送消息
|
||||
</p>
|
||||
</div>
|
||||
|
||||
<div className="space-y-2">
|
||||
{QUICK_START_OPTIONS.map((option) => {
|
||||
const Icon = option.icon;
|
||||
const isHighlighted = initialType && option.type === initialType && option.content === "";
|
||||
return (
|
||||
<button
|
||||
key={option.title}
|
||||
onClick={() => handleSelect(option)}
|
||||
className={`w-full flex items-center gap-3 rounded-lg border px-4 py-3 text-left transition-all hover:border-primary/50 hover:bg-accent/40 focus:outline-none focus-visible:ring-2 focus-visible:ring-ring ${
|
||||
isHighlighted
|
||||
? "border-primary/40 bg-primary/5"
|
||||
: "bg-card"
|
||||
}`}
|
||||
>
|
||||
<div className="w-8 h-8 rounded-md bg-muted flex items-center justify-center shrink-0">
|
||||
<Icon className="w-4 h-4 text-muted-foreground" />
|
||||
</div>
|
||||
<div className="min-w-0">
|
||||
<p className="text-sm font-medium truncate">{option.title}</p>
|
||||
<p className="text-xs text-muted-foreground truncate">
|
||||
{option.description}
|
||||
</p>
|
||||
</div>
|
||||
</button>
|
||||
);
|
||||
})}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,120 @@
|
||||
import { html } from "@codemirror/lang-html";
|
||||
import { javascript } from "@codemirror/lang-javascript";
|
||||
import { json } from "@codemirror/lang-json";
|
||||
import { python } from "@codemirror/lang-python";
|
||||
import type { Extension } from "@codemirror/state";
|
||||
import type { ViewUpdate } from "@codemirror/view";
|
||||
import { basicLightInit } from "@uiw/codemirror-theme-basic";
|
||||
import { monokaiInit } from "@uiw/codemirror-theme-monokai";
|
||||
import CodeMirror from "@uiw/react-codemirror";
|
||||
import { useTheme } from "next-themes";
|
||||
import { useCallback, useMemo } from "react";
|
||||
|
||||
import type {
|
||||
CanvasArtifactCode,
|
||||
ProgrammingLanguageOptions,
|
||||
} from "../../types/artifact";
|
||||
import { useCanvasSelection } from "../../hooks/useCanvasSelection";
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// Themes — match code-editor.tsx defaults
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
const darkTheme = monokaiInit({
|
||||
settings: {
|
||||
background: "transparent",
|
||||
gutterBackground: "transparent",
|
||||
gutterForeground: "#555",
|
||||
gutterActiveForeground: "#fff",
|
||||
fontSize: "var(--text-sm)",
|
||||
},
|
||||
});
|
||||
|
||||
const lightTheme = basicLightInit({
|
||||
settings: {
|
||||
background: "transparent",
|
||||
fontSize: "var(--text-sm)",
|
||||
},
|
||||
});
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// Language detection
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
function getLanguageExtension(
|
||||
lang: ProgrammingLanguageOptions,
|
||||
): Extension | null {
|
||||
switch (lang) {
|
||||
case "typescript":
|
||||
return javascript({ typescript: true, jsx: true });
|
||||
case "javascript":
|
||||
return javascript({ jsx: true });
|
||||
case "python":
|
||||
return python();
|
||||
case "html":
|
||||
return html();
|
||||
case "json":
|
||||
return json();
|
||||
// cpp, java, rust, sql, xml, clojure, csharp, php → plain text fallback
|
||||
default:
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// Component
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
interface CodeArtifactRendererProps {
|
||||
content: CanvasArtifactCode;
|
||||
}
|
||||
|
||||
export function CodeArtifactRenderer({ content }: CodeArtifactRendererProps) {
|
||||
const { resolvedTheme } = useTheme();
|
||||
const { handleCodeSelectionChange } = useCanvasSelection();
|
||||
|
||||
const extensions = useMemo<Extension[]>(() => {
|
||||
const ext = getLanguageExtension(content.language);
|
||||
return ext ? [ext] : [];
|
||||
}, [content.language]);
|
||||
|
||||
const handleUpdate = useCallback(
|
||||
(update: ViewUpdate) => {
|
||||
if (!update.selectionSet) return;
|
||||
const { from, to } = update.state.selection.main;
|
||||
handleCodeSelectionChange(from, to);
|
||||
},
|
||||
[handleCodeSelectionChange],
|
||||
);
|
||||
|
||||
if (!content.code) {
|
||||
return (
|
||||
<div className="h-full flex items-center justify-center">
|
||||
<p className="text-sm text-muted-foreground">
|
||||
空白代码，发送消息让 AI 填充内容
|
||||
</p>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
|
||||
return (
|
||||
<div className="h-full overflow-auto">
|
||||
<CodeMirror
|
||||
value={content.code}
|
||||
readOnly
|
||||
height="100%"
|
||||
className="h-full font-mono [&_.cm-editor]:h-full [&_.cm-focused]:outline-none!"
|
||||
theme={resolvedTheme === "dark" ? darkTheme : lightTheme}
|
||||
extensions={extensions}
|
||||
onUpdate={handleUpdate}
|
||||
basicSetup={{
|
||||
lineNumbers: true,
|
||||
foldGutter: true,
|
||||
highlightActiveLine: false,
|
||||
highlightActiveLineGutter: false,
|
||||
autocompletion: false,
|
||||
}}
|
||||
/>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,142 @@
|
||||
import ReactMarkdown from "react-markdown";
|
||||
import remarkGfm from "remark-gfm";
|
||||
|
||||
import type { CanvasArtifactText } from "../../types/artifact";
|
||||
import { useCanvasSelection } from "../../hooks/useCanvasSelection";
|
||||
|
||||
interface TextArtifactRendererProps {
|
||||
content: CanvasArtifactText;
|
||||
}
|
||||
|
||||
export function TextArtifactRenderer({ content }: TextArtifactRendererProps) {
|
||||
const { handleTextPointerUp } = useCanvasSelection();
|
||||
|
||||
if (!content.fullMarkdown) {
|
||||
return (
|
||||
<div className="h-full flex items-center justify-center">
|
||||
<p className="text-sm text-muted-foreground">
|
||||
空白文档，发送消息让 AI 填充内容
|
||||
</p>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
|
||||
return (
|
||||
<div
|
||||
className="h-full overflow-y-auto"
|
||||
onMouseUp={() => handleTextPointerUp(content.fullMarkdown)}
|
||||
>
|
||||
<div className="max-w-3xl mx-auto px-8 py-8">
|
||||
<ReactMarkdown
|
||||
remarkPlugins={[remarkGfm]}
|
||||
components={{
|
||||
h1: ({ children }) => (
|
||||
<h1 className="text-2xl font-bold mb-4 mt-6 first:mt-0 text-foreground border-b border-border pb-2">
|
||||
{children}
|
||||
</h1>
|
||||
),
|
||||
h2: ({ children }) => (
|
||||
<h2 className="text-xl font-semibold mb-3 mt-6 text-foreground">
|
||||
{children}
|
||||
</h2>
|
||||
),
|
||||
h3: ({ children }) => (
|
||||
<h3 className="text-base font-semibold mb-2 mt-4 text-foreground">
|
||||
{children}
|
||||
</h3>
|
||||
),
|
||||
h4: ({ children }) => (
|
||||
<h4 className="text-sm font-semibold mb-2 mt-3 text-foreground">
|
||||
{children}
|
||||
</h4>
|
||||
),
|
||||
p: ({ children }) => (
|
||||
<p className="mb-4 leading-7 text-sm text-foreground/90">
|
||||
{children}
|
||||
</p>
|
||||
),
|
||||
ul: ({ children }) => (
|
||||
<ul className="mb-4 ml-5 list-disc space-y-1.5 text-sm text-foreground/90">
|
||||
{children}
|
||||
</ul>
|
||||
),
|
||||
ol: ({ children }) => (
|
||||
<ol className="mb-4 ml-5 list-decimal space-y-1.5 text-sm text-foreground/90">
|
||||
{children}
|
||||
</ol>
|
||||
),
|
||||
li: ({ children }) => (
|
||||
<li className="leading-7">{children}</li>
|
||||
),
|
||||
blockquote: ({ children }) => (
|
||||
<blockquote className="border-l-4 border-primary/30 pl-4 my-4 text-muted-foreground italic text-sm">
|
||||
{children}
|
||||
</blockquote>
|
||||
),
|
||||
pre: ({ children }) => (
|
||||
<pre className="mb-4 rounded-md bg-muted/60 overflow-x-auto">
|
||||
{children}
|
||||
</pre>
|
||||
),
|
||||
code: ({ className, children }) => {
|
||||
const isBlock = Boolean(className?.startsWith("language-"));
|
||||
if (isBlock) {
|
||||
return (
|
||||
<code className="block p-4 text-xs font-mono text-foreground leading-relaxed">
|
||||
{children}
|
||||
</code>
|
||||
);
|
||||
}
|
||||
return (
|
||||
<code className="bg-muted px-1.5 py-0.5 rounded text-xs font-mono text-foreground">
|
||||
{children}
|
||||
</code>
|
||||
);
|
||||
},
|
||||
table: ({ children }) => (
|
||||
<div className="mb-4 overflow-x-auto rounded-md border border-border">
|
||||
<table className="w-full text-sm border-collapse">
|
||||
{children}
|
||||
</table>
|
||||
</div>
|
||||
),
|
||||
thead: ({ children }) => (
|
||||
<thead className="bg-muted/50">{children}</thead>
|
||||
),
|
||||
th: ({ children }) => (
|
||||
<th className="px-4 py-2 text-left text-xs font-semibold text-foreground border-b border-border">
|
||||
{children}
|
||||
</th>
|
||||
),
|
||||
td: ({ children }) => (
|
||||
<td className="px-4 py-2 text-xs text-foreground/80 border-b border-border last:border-0">
|
||||
{children}
|
||||
</td>
|
||||
),
|
||||
hr: () => <hr className="my-6 border-border" />,
|
||||
a: ({ href, children }) => (
|
||||
<a
|
||||
href={href}
|
||||
className="text-primary underline underline-offset-2 hover:text-primary/80 transition-colors"
|
||||
target="_blank"
|
||||
rel="noopener noreferrer"
|
||||
>
|
||||
{children}
|
||||
</a>
|
||||
),
|
||||
strong: ({ children }) => (
|
||||
<strong className="font-semibold text-foreground">
|
||||
{children}
|
||||
</strong>
|
||||
),
|
||||
em: ({ children }) => (
|
||||
<em className="italic text-foreground/80">{children}</em>
|
||||
),
|
||||
}}
|
||||
>
|
||||
{content.fullMarkdown}
|
||||
</ReactMarkdown>
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,205 @@
|
||||
import { Loader2, SendHorizonal, Sparkles, User, X } from "lucide-react";
|
||||
import { useRef, useState, type KeyboardEvent } from "react";
|
||||
|
||||
import { Badge } from "@/components/ui/badge";
|
||||
import { Button } from "@/components/ui/button";
|
||||
import { Textarea } from "@/components/ui/textarea";
|
||||
|
||||
import { useCanvasGraphContext } from "../../contexts/CanvasGraphContext";
|
||||
import { useCanvasSelection } from "../../hooks/useCanvasSelection";
|
||||
import { useCanvasStream } from "../../hooks/useCanvasStream";
|
||||
import { getCurrentArtifactContent, isCodeArtifact } from "../../utils/artifact";
|
||||
import {
|
||||
buildMessageWithSelection,
|
||||
hasActiveSelection,
|
||||
resolveCodeSelection,
|
||||
} from "../../utils/selection";
|
||||
|
||||
function ChatWelcome() {
|
||||
return (
|
||||
<div className="flex flex-col items-center justify-center h-full text-center px-6 space-y-3">
|
||||
<div className="w-10 h-10 rounded-full bg-primary/10 flex items-center justify-center">
|
||||
<Sparkles className="w-5 h-5 text-primary" />
|
||||
</div>
|
||||
<div className="space-y-1">
|
||||
<p className="text-sm font-medium">开始创作</p>
|
||||
<p className="text-xs text-muted-foreground leading-relaxed">
|
||||
发送消息让 AI 帮你生成文档或代码，
|
||||
<br />
|
||||
或在右侧选择快速开始模板
|
||||
</p>
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
|
||||
export function CanvasChatPanel() {
|
||||
const { messages, isStreaming, artifact } = useCanvasGraphContext();
|
||||
const { sendMessage } = useCanvasStream();
|
||||
const { selection, clearSelection } = useCanvasSelection();
|
||||
const [input, setInput] = useState("");
|
||||
const textareaRef = useRef<HTMLTextAreaElement>(null);
|
||||
|
||||
const hasMessages = messages.length > 0;
|
||||
const hasSelection = hasActiveSelection(selection);
|
||||
|
||||
// Resolve selected code snippet when artifact is a code artifact
|
||||
const currentContent = getCurrentArtifactContent(artifact);
|
||||
const resolvedCode =
|
||||
selection.codeSelection && currentContent && isCodeArtifact(currentContent)
|
||||
? resolveCodeSelection(
|
||||
currentContent.code,
|
||||
selection.codeSelection.startCharIndex,
|
||||
selection.codeSelection.endCharIndex,
|
||||
)
|
||||
: undefined;
|
||||
|
||||
// Build a short preview for the selection badge
|
||||
const selectionPreview = (() => {
|
||||
if (selection.textSelection?.selectedText) {
|
||||
const t = selection.textSelection.selectedText;
|
||||
return t.length > 40 ? t.slice(0, 40) + "…" : t;
|
||||
}
|
||||
if (resolvedCode) {
|
||||
return resolvedCode.length > 40
|
||||
? resolvedCode.slice(0, 40) + "…"
|
||||
: resolvedCode;
|
||||
}
|
||||
return null;
|
||||
})();
|
||||
|
||||
async function handleSend() {
|
||||
const text = input.trim();
|
||||
if (!text || isStreaming) return;
|
||||
setInput("");
|
||||
|
||||
// Embed selection context into the message when something is selected
|
||||
const finalText = hasSelection
|
||||
? buildMessageWithSelection(text, selection, resolvedCode)
|
||||
: text;
|
||||
|
||||
clearSelection();
|
||||
await sendMessage(finalText);
|
||||
}
|
||||
|
||||
function handleKeyDown(e: KeyboardEvent<HTMLTextAreaElement>) {
|
||||
if (e.key === "Enter" && !e.shiftKey) {
|
||||
e.preventDefault();
|
||||
void handleSend();
|
||||
}
|
||||
}
|
||||
|
||||
return (
|
||||
<div className="h-full flex flex-col bg-background">
|
||||
{/* Message list */}
|
||||
<div className="flex-1 overflow-y-auto min-h-0">
|
||||
{hasMessages ? (
|
||||
<div className="p-4 space-y-4">
|
||||
{messages.map((msg, i) => {
|
||||
const isHuman = msg.type === "human";
|
||||
const text =
|
||||
typeof msg.content === "string"
|
||||
? msg.content
|
||||
: JSON.stringify(msg.content);
|
||||
|
||||
return (
|
||||
<div
|
||||
key={msg.id ?? i}
|
||||
className={`flex gap-2 ${isHuman ? "justify-end" : "justify-start"}`}
|
||||
>
|
||||
{!isHuman && (
|
||||
<div className="w-6 h-6 rounded-full bg-primary/10 flex items-center justify-center shrink-0 mt-0.5">
|
||||
<Sparkles className="w-3 h-3 text-primary" />
|
||||
</div>
|
||||
)}
|
||||
<div
|
||||
className={`max-w-[80%] rounded-lg px-3 py-2 text-sm ${
|
||||
isHuman
|
||||
? "bg-primary text-primary-foreground"
|
||||
: "bg-muted text-foreground"
|
||||
}`}
|
||||
>
|
||||
{text}
|
||||
</div>
|
||||
{isHuman && (
|
||||
<div className="w-6 h-6 rounded-full bg-muted flex items-center justify-center shrink-0 mt-0.5">
|
||||
<User className="w-3 h-3" />
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
);
|
||||
})}
|
||||
{isStreaming && (
|
||||
<div className="flex gap-2 justify-start">
|
||||
<div className="w-6 h-6 rounded-full bg-primary/10 flex items-center justify-center shrink-0 mt-0.5">
|
||||
<Sparkles className="w-3 h-3 text-primary" />
|
||||
</div>
|
||||
<div className="bg-muted rounded-lg px-3 py-2">
|
||||
<Loader2 className="w-3 h-3 animate-spin text-muted-foreground" />
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
) : (
|
||||
<ChatWelcome />
|
||||
)}
|
||||
</div>
|
||||
|
||||
{/* Selection badge */}
|
||||
{hasSelection && selectionPreview && (
|
||||
<div className="px-3 pt-2 shrink-0">
|
||||
<Badge
|
||||
variant="secondary"
|
||||
className="flex items-center gap-1.5 max-w-full text-xs font-normal py-1 px-2 h-auto"
|
||||
>
|
||||
<span className="shrink-0 text-muted-foreground">
|
||||
{selection.textSelection ? "选中文本:" : "选中代码:"}
|
||||
</span>
|
||||
<span className="truncate min-w-0 font-mono">
|
||||
{selectionPreview}
|
||||
</span>
|
||||
<button
|
||||
onClick={clearSelection}
|
||||
className="shrink-0 ml-auto hover:text-foreground text-muted-foreground transition-colors"
|
||||
aria-label="清除选区"
|
||||
>
|
||||
<X className="w-3 h-3" />
|
||||
</button>
|
||||
</Badge>
|
||||
</div>
|
||||
)}
|
||||
|
||||
{/* Input area */}
|
||||
<div className="border-t p-3 shrink-0">
|
||||
<div className="flex gap-2 items-end">
|
||||
<Textarea
|
||||
ref={textareaRef}
|
||||
value={input}
|
||||
onChange={(e) => setInput(e.target.value)}
|
||||
onKeyDown={handleKeyDown}
|
||||
placeholder={
|
||||
hasSelection
|
||||
? "针对选中内容发出指令…"
|
||||
: "发送消息以开始… (Enter 发送，Shift+Enter 换行)"
|
||||
}
|
||||
className="min-h-[40px] max-h-[160px] resize-none text-sm"
|
||||
rows={1}
|
||||
disabled={isStreaming}
|
||||
/>
|
||||
<Button
|
||||
size="icon"
|
||||
className="h-9 w-9 shrink-0"
|
||||
disabled={!input.trim() || isStreaming}
|
||||
onClick={() => void handleSend()}
|
||||
>
|
||||
{isStreaming ? (
|
||||
<Loader2 className="h-4 w-4 animate-spin" />
|
||||
) : (
|
||||
<SendHorizonal className="h-4 w-4" />
|
||||
)}
|
||||
</Button>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,76 @@
|
||||
import { useNavigate } from "react-router-dom";
|
||||
import { ArrowLeft, Loader2, PanelLeftClose, PanelLeftOpen } from "lucide-react";
|
||||
|
||||
import { Button } from "@/components/ui/button";
|
||||
import { Separator } from "@/components/ui/separator";
|
||||
import {
|
||||
Tooltip,
|
||||
TooltipContent,
|
||||
TooltipTrigger,
|
||||
} from "@/components/ui/tooltip";
|
||||
|
||||
import { useCanvasThreadContext } from "../../contexts/CanvasThreadContext";
|
||||
import { useCanvasGraphContext } from "../../contexts/CanvasGraphContext";
|
||||
import { useCanvasUIContext } from "../../contexts/CanvasUIContext";
|
||||
import { getCurrentArtifactContent } from "../../utils/artifact";
|
||||
|
||||
export function CanvasHeader() {
|
||||
const navigate = useNavigate();
|
||||
const { threadId } = useCanvasThreadContext();
|
||||
const { artifact, isStreaming } = useCanvasGraphContext();
|
||||
const { isChatCollapsed, setIsChatCollapsed } = useCanvasUIContext();
|
||||
|
||||
const currentContent = getCurrentArtifactContent(artifact);
|
||||
const title = currentContent?.title ?? "新 Canvas";
|
||||
|
||||
return (
|
||||
<div className="h-11 border-b flex items-center px-3 gap-2 shrink-0 bg-background">
|
||||
<Button
|
||||
variant="ghost"
|
||||
size="icon"
|
||||
className="h-7 w-7 shrink-0"
|
||||
onClick={() => navigate("/page/canvas")}
|
||||
title="返回 Canvas 列表"
|
||||
>
|
||||
<ArrowLeft className="h-4 w-4" />
|
||||
</Button>
|
||||
|
||||
<Separator orientation="vertical" className="h-4" />
|
||||
|
||||
<Tooltip>
|
||||
<TooltipTrigger asChild>
|
||||
<Button
|
||||
variant="ghost"
|
||||
size="icon"
|
||||
className="h-7 w-7 shrink-0"
|
||||
onClick={() => setIsChatCollapsed(!isChatCollapsed)}
|
||||
>
|
||||
{isChatCollapsed ? (
|
||||
<PanelLeftOpen className="h-4 w-4" />
|
||||
) : (
|
||||
<PanelLeftClose className="h-4 w-4" />
|
||||
)}
|
||||
</Button>
|
||||
</TooltipTrigger>
|
||||
<TooltipContent side="bottom">
|
||||
{isChatCollapsed ? "展开聊天区" : "收起聊天区"}
|
||||
</TooltipContent>
|
||||
</Tooltip>
|
||||
|
||||
<Separator orientation="vertical" className="h-4" />
|
||||
|
||||
<div className="flex items-center gap-2 min-w-0 flex-1">
|
||||
<span className="text-sm font-medium truncate">{title}</span>
|
||||
{isStreaming && (
|
||||
<Loader2 className="h-3.5 w-3.5 animate-spin text-muted-foreground shrink-0" />
|
||||
)}
|
||||
</div>
|
||||
|
||||
{threadId && (
|
||||
<span className="text-[11px] text-muted-foreground font-mono hidden sm:block shrink-0 max-w-[120px] truncate">
|
||||
{threadId.slice(0, 8)}
|
||||
</span>
|
||||
)}
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,58 @@
|
||||
import { useEffect, useRef } from "react";
|
||||
import type { GroupImperativeHandle } from "react-resizable-panels";
|
||||
|
||||
import {
|
||||
ResizableHandle,
|
||||
ResizablePanel,
|
||||
ResizablePanelGroup,
|
||||
} from "@/components/ui/resizable";
|
||||
|
||||
import { useCanvasUIContext } from "../../contexts/CanvasUIContext";
|
||||
import { CanvasChatPanel } from "../chat/CanvasChatPanel";
|
||||
import { CanvasArtifactPanel } from "../artifact/CanvasArtifactPanel";
|
||||
|
||||
const LAYOUT_COLLAPSED = { chat: 0, artifact: 100 };
|
||||
const LAYOUT_DEFAULT = { chat: 35, artifact: 65 };
|
||||
|
||||
export function CanvasResizableLayout() {
|
||||
const { isChatCollapsed } = useCanvasUIContext();
|
||||
const layoutRef = useRef<GroupImperativeHandle>(null);
|
||||
|
||||
useEffect(() => {
|
||||
layoutRef.current?.setLayout(
|
||||
isChatCollapsed ? LAYOUT_COLLAPSED : LAYOUT_DEFAULT,
|
||||
);
|
||||
}, [isChatCollapsed]);
|
||||
|
||||
return (
|
||||
<div className="flex-1 min-h-0 overflow-hidden">
|
||||
<ResizablePanelGroup
|
||||
orientation="horizontal"
|
||||
groupRef={layoutRef}
|
||||
className="h-full"
|
||||
>
|
||||
<ResizablePanel
|
||||
id="chat"
|
||||
defaultSize={35}
|
||||
minSize={0}
|
||||
collapsible
|
||||
collapsedSize={0}
|
||||
className="overflow-hidden"
|
||||
>
|
||||
<CanvasChatPanel />
|
||||
</ResizablePanel>
|
||||
|
||||
<ResizableHandle withHandle />
|
||||
|
||||
<ResizablePanel
|
||||
id="artifact"
|
||||
defaultSize={65}
|
||||
minSize={40}
|
||||
className="overflow-hidden"
|
||||
>
|
||||
<CanvasArtifactPanel />
|
||||
</ResizablePanel>
|
||||
</ResizablePanelGroup>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,43 @@
|
||||
import { useEffect } from "react";
|
||||
|
||||
import { getCanvasThread } from "../../api/threads";
|
||||
import { useCanvasGraphContext } from "../../contexts/CanvasGraphContext";
|
||||
import { useCanvasThreadContext } from "../../contexts/CanvasThreadContext";
|
||||
import { CanvasHeader } from "./CanvasHeader";
|
||||
import { CanvasResizableLayout } from "./CanvasResizableLayout";
|
||||
|
||||
export function CanvasShell() {
|
||||
const { threadId } = useCanvasThreadContext();
|
||||
const { setMessages, setArtifact } = useCanvasGraphContext();
|
||||
|
||||
// Load existing thread state when navigating to a saved thread
|
||||
useEffect(() => {
|
||||
if (!threadId) return;
|
||||
let cancelled = false;
|
||||
|
||||
getCanvasThread(threadId)
|
||||
.then((values) => {
|
||||
if (cancelled || !values) return;
|
||||
if (values.messages?.length) {
|
||||
setMessages(values.messages);
|
||||
}
|
||||
if (values.artifact) {
|
||||
setArtifact(values.artifact);
|
||||
}
|
||||
})
|
||||
.catch((err) => {
|
||||
console.error("[canvas] failed to load thread state:", err);
|
||||
});
|
||||
|
||||
return () => {
|
||||
cancelled = true;
|
||||
};
|
||||
}, [threadId, setMessages, setArtifact]);
|
||||
|
||||
return (
|
||||
<div className="h-full flex flex-col overflow-hidden bg-background">
|
||||
<CanvasHeader />
|
||||
<CanvasResizableLayout />
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,43 @@
|
||||
import type { ProgrammingLanguageOptions } from "../types/artifact";
|
||||
import type { QuickAction } from "../types/quick-action";
|
||||
|
||||
export const CANVAS_AGENT_ID = "canvas_agent";
|
||||
|
||||
export const CANVAS_THREAD_METADATA = {
|
||||
ui_mode: "canvas",
|
||||
agent_id: CANVAS_AGENT_ID,
|
||||
} as const;
|
||||
|
||||
export const PROGRAMMING_LANGUAGES: Array<{
|
||||
language: ProgrammingLanguageOptions;
|
||||
label: string;
|
||||
}> = [
|
||||
{ language: "typescript", label: "TypeScript" },
|
||||
{ language: "javascript", label: "JavaScript" },
|
||||
{ language: "python", label: "Python" },
|
||||
{ language: "html", label: "HTML" },
|
||||
{ language: "cpp", label: "C++" },
|
||||
{ language: "java", label: "Java" },
|
||||
{ language: "rust", label: "Rust" },
|
||||
{ language: "sql", label: "SQL" },
|
||||
{ language: "json", label: "JSON" },
|
||||
{ language: "php", label: "PHP" },
|
||||
{ language: "xml", label: "XML" },
|
||||
{ language: "clojure", label: "Clojure" },
|
||||
{ language: "csharp", label: "C#" },
|
||||
{ language: "other", label: "Other" },
|
||||
];
|
||||
|
||||
export const QUICK_ACTIONS_TEXT: QuickAction[] = [
|
||||
{ id: "expand", label: "扩写", applicable_to: "text" },
|
||||
{ id: "shorten", label: "精简", applicable_to: "text" },
|
||||
{ id: "formalize", label: "改正式语气", applicable_to: "text" },
|
||||
{ id: "casualize", label: "改口语语气", applicable_to: "text" },
|
||||
];
|
||||
|
||||
export const QUICK_ACTIONS_CODE: QuickAction[] = [
|
||||
{ id: "add_comments", label: "加注释", applicable_to: "code" },
|
||||
{ id: "add_logs", label: "加日志", applicable_to: "code" },
|
||||
{ id: "fix_bugs", label: "修复 Bug", applicable_to: "code" },
|
||||
{ id: "optimize_code", label: "优化代码", applicable_to: "code" },
|
||||
];
|
||||
@@ -0,0 +1,72 @@
|
||||
import {
|
||||
createContext,
|
||||
useCallback,
|
||||
useContext,
|
||||
useState,
|
||||
type ReactNode,
|
||||
} from "react";
|
||||
|
||||
import type { CanvasArtifact } from "../types/artifact";
|
||||
import type { CanvasMessage } from "../types/thread";
|
||||
|
||||
export interface CanvasGraphContextValue {
|
||||
messages: CanvasMessage[];
|
||||
artifact: CanvasArtifact | null;
|
||||
isStreaming: boolean;
|
||||
setMessages: (messages: CanvasMessage[]) => void;
|
||||
/** Upsert a message by id — concatenates string content for streaming deltas. */
|
||||
appendMessage: (msg: CanvasMessage) => void;
|
||||
setArtifact: (artifact: CanvasArtifact | null) => void;
|
||||
setIsStreaming: (v: boolean) => void;
|
||||
}
|
||||
|
||||
const CanvasGraphContext = createContext<CanvasGraphContextValue | null>(null);
|
||||
|
||||
export function CanvasGraphProvider({ children }: { children: ReactNode }) {
|
||||
const [messages, setMessages] = useState<CanvasMessage[]>([]);
|
||||
const [artifact, setArtifact] = useState<CanvasArtifact | null>(null);
|
||||
const [isStreaming, setIsStreaming] = useState(false);
|
||||
|
||||
const appendMessage = useCallback((msg: CanvasMessage) => {
|
||||
setMessages((prev) => {
|
||||
if (!msg.id) return [...prev, msg];
|
||||
const idx = prev.findIndex((m) => m.id === msg.id);
|
||||
if (idx >= 0) {
|
||||
const existing = prev[idx]!;
|
||||
const existingText =
|
||||
typeof existing.content === "string" ? existing.content : "";
|
||||
const deltaText =
|
||||
typeof msg.content === "string" ? msg.content : "";
|
||||
const next = [...prev];
|
||||
next[idx] = { ...existing, content: existingText + deltaText };
|
||||
return next;
|
||||
}
|
||||
return [...prev, msg];
|
||||
});
|
||||
}, []);
|
||||
|
||||
return (
|
||||
<CanvasGraphContext.Provider
|
||||
value={{
|
||||
messages,
|
||||
artifact,
|
||||
isStreaming,
|
||||
setMessages,
|
||||
appendMessage,
|
||||
setArtifact,
|
||||
setIsStreaming,
|
||||
}}
|
||||
>
|
||||
{children}
|
||||
</CanvasGraphContext.Provider>
|
||||
);
|
||||
}
|
||||
|
||||
export function useCanvasGraphContext() {
|
||||
const ctx = useContext(CanvasGraphContext);
|
||||
if (!ctx)
|
||||
throw new Error(
|
||||
"useCanvasGraphContext must be used within CanvasGraphProvider",
|
||||
);
|
||||
return ctx;
|
||||
}
|
||||
@@ -0,0 +1,40 @@
|
||||
import { createContext, useContext, useState, type ReactNode } from "react";
|
||||
|
||||
export interface CanvasThreadContextValue {
|
||||
threadId: string | null;
|
||||
modelName: string | null;
|
||||
setThreadId: (id: string | null) => void;
|
||||
setModelName: (name: string | null) => void;
|
||||
}
|
||||
|
||||
const CanvasThreadContext = createContext<CanvasThreadContextValue | null>(null);
|
||||
|
||||
export function CanvasThreadProvider({
|
||||
children,
|
||||
initialThreadId,
|
||||
}: {
|
||||
children: ReactNode;
|
||||
initialThreadId?: string | null;
|
||||
}) {
|
||||
const [threadId, setThreadId] = useState<string | null>(
|
||||
initialThreadId ?? null,
|
||||
);
|
||||
const [modelName, setModelName] = useState<string | null>(null);
|
||||
|
||||
return (
|
||||
<CanvasThreadContext.Provider
|
||||
value={{ threadId, setThreadId, modelName, setModelName }}
|
||||
>
|
||||
{children}
|
||||
</CanvasThreadContext.Provider>
|
||||
);
|
||||
}
|
||||
|
||||
export function useCanvasThreadContext() {
|
||||
const ctx = useContext(CanvasThreadContext);
|
||||
if (!ctx)
|
||||
throw new Error(
|
||||
"useCanvasThreadContext must be used within CanvasThreadProvider",
|
||||
);
|
||||
return ctx;
|
||||
}
|
||||
@@ -0,0 +1,79 @@
|
||||
import {
|
||||
createContext,
|
||||
useCallback,
|
||||
useContext,
|
||||
useState,
|
||||
type ReactNode,
|
||||
} from "react";
|
||||
|
||||
import type {
|
||||
CanvasCodeSelection,
|
||||
CanvasSelectionState,
|
||||
CanvasTextSelection,
|
||||
} from "../types/selection";
|
||||
|
||||
export interface CanvasUIContextValue {
|
||||
isChatCollapsed: boolean;
|
||||
isEditing: boolean;
|
||||
isWebSearchOpen: boolean;
|
||||
selection: CanvasSelectionState;
|
||||
setIsChatCollapsed: (v: boolean) => void;
|
||||
setIsEditing: (v: boolean) => void;
|
||||
setIsWebSearchOpen: (v: boolean) => void;
|
||||
/** Set text selection; clears any existing code selection. */
|
||||
setTextSelection: (s: CanvasTextSelection | null) => void;
|
||||
/** Set code selection; clears any existing text selection. */
|
||||
setCodeSelection: (s: CanvasCodeSelection | null) => void;
|
||||
clearSelection: () => void;
|
||||
}
|
||||
|
||||
const EMPTY_SELECTION: CanvasSelectionState = {
|
||||
textSelection: null,
|
||||
codeSelection: null,
|
||||
};
|
||||
|
||||
const CanvasUIContext = createContext<CanvasUIContextValue | null>(null);
|
||||
|
||||
export function CanvasUIProvider({ children }: { children: ReactNode }) {
|
||||
const [isChatCollapsed, setIsChatCollapsed] = useState(false);
|
||||
const [isEditing, setIsEditing] = useState(false);
|
||||
const [isWebSearchOpen, setIsWebSearchOpen] = useState(false);
|
||||
const [selection, setSelection] =
|
||||
useState<CanvasSelectionState>(EMPTY_SELECTION);
|
||||
|
||||
const setTextSelection = useCallback((s: CanvasTextSelection | null) => {
|
||||
setSelection({ textSelection: s, codeSelection: null });
|
||||
}, []);
|
||||
|
||||
const setCodeSelection = useCallback((s: CanvasCodeSelection | null) => {
|
||||
setSelection({ textSelection: null, codeSelection: s });
|
||||
}, []);
|
||||
|
||||
return (
|
||||
<CanvasUIContext.Provider
|
||||
value={{
|
||||
isChatCollapsed,
|
||||
isEditing,
|
||||
isWebSearchOpen,
|
||||
selection,
|
||||
setIsChatCollapsed,
|
||||
setIsEditing,
|
||||
setIsWebSearchOpen,
|
||||
setTextSelection,
|
||||
setCodeSelection,
|
||||
clearSelection: () => setSelection(EMPTY_SELECTION),
|
||||
}}
|
||||
>
|
||||
{children}
|
||||
</CanvasUIContext.Provider>
|
||||
);
|
||||
}
|
||||
|
||||
export function useCanvasUIContext() {
|
||||
const ctx = useContext(CanvasUIContext);
|
||||
if (!ctx)
|
||||
throw new Error(
|
||||
"useCanvasUIContext must be used within CanvasUIProvider",
|
||||
);
|
||||
return ctx;
|
||||
}
|
||||
@@ -0,0 +1,2 @@
|
||||
// Phase 6-7: artifact version management helpers
|
||||
export {};
|
||||
@@ -0,0 +1,2 @@
|
||||
// Phase 9: trigger quick actions and write quick_action_id to run input
|
||||
export {};
|
||||
@@ -0,0 +1,43 @@
|
||||
import { useCallback } from "react";
|
||||
|
||||
import { useCanvasUIContext } from "../contexts/CanvasUIContext";
|
||||
import { captureTextSelection } from "../utils/selection";
|
||||
|
||||
export function useCanvasSelection() {
|
||||
const { selection, setTextSelection, setCodeSelection, clearSelection } =
|
||||
useCanvasUIContext();
|
||||
|
||||
/**
|
||||
* Call from a text renderer's onMouseUp handler.
|
||||
* Reads window.getSelection() and stores the result.
|
||||
*/
|
||||
const handleTextPointerUp = useCallback(
|
||||
(fullMarkdown: string) => {
|
||||
const captured = captureTextSelection(fullMarkdown);
|
||||
setTextSelection(captured);
|
||||
},
|
||||
[setTextSelection],
|
||||
);
|
||||
|
||||
/**
|
||||
* Call from CodeMirror's onUpdate/onStatistics handler.
|
||||
* Pass the selection range (from/to char indices).
|
||||
*/
|
||||
const handleCodeSelectionChange = useCallback(
|
||||
(from: number, to: number) => {
|
||||
if (from === to) {
|
||||
setCodeSelection(null);
|
||||
} else {
|
||||
setCodeSelection({ startCharIndex: from, endCharIndex: to });
|
||||
}
|
||||
},
|
||||
[setCodeSelection],
|
||||
);
|
||||
|
||||
return {
|
||||
selection,
|
||||
handleTextPointerUp,
|
||||
handleCodeSelectionChange,
|
||||
clearSelection,
|
||||
};
|
||||
}
|
||||
@@ -0,0 +1,88 @@
|
||||
import { useCallback, useRef } from "react";
|
||||
import { useNavigate } from "react-router-dom";
|
||||
|
||||
import { streamCanvasRun } from "../api/runs";
|
||||
import type { CanvasRunInput } from "../api/runs";
|
||||
import { createCanvasThread } from "../api/threads";
|
||||
import { useCanvasGraphContext } from "../contexts/CanvasGraphContext";
|
||||
import { useCanvasThreadContext } from "../contexts/CanvasThreadContext";
|
||||
import type { CanvasMessage } from "../types/thread";
|
||||
|
||||
export function useCanvasStream() {
|
||||
const navigate = useNavigate();
|
||||
const { threadId, setThreadId, modelName } = useCanvasThreadContext();
|
||||
const { messages, setMessages, appendMessage, setArtifact, setIsStreaming } =
|
||||
useCanvasGraphContext();
|
||||
|
||||
// Ref so callbacks inside streamCanvasRun always see the latest messages
|
||||
// without adding `messages` to useCallback's dep array (avoids re-creation
|
||||
// on every message append during streaming).
|
||||
const messagesRef = useRef(messages);
|
||||
messagesRef.current = messages;
|
||||
|
||||
const sendMessage = useCallback(
|
||||
async (
|
||||
text: string,
|
||||
extra?: Partial<Omit<CanvasRunInput, "messages">>,
|
||||
) => {
|
||||
// 1. Ensure we have a thread
|
||||
let activeThreadId = threadId;
|
||||
if (!activeThreadId) {
|
||||
activeThreadId = await createCanvasThread(
|
||||
modelName ? { model_name: modelName } : undefined,
|
||||
);
|
||||
setThreadId(activeThreadId);
|
||||
navigate(`/page/canvas/${activeThreadId}`, { replace: true });
|
||||
}
|
||||
|
||||
// 2. Optimistic human message
|
||||
const humanMsg: CanvasMessage = {
|
||||
id: `human-${Date.now()}`,
|
||||
type: "human",
|
||||
content: text,
|
||||
};
|
||||
setMessages([...messagesRef.current, humanMsg]);
|
||||
setIsStreaming(true);
|
||||
|
||||
// 3. Build run input
|
||||
const input: CanvasRunInput = {
|
||||
messages: [{ type: "human", content: text }],
|
||||
...extra,
|
||||
};
|
||||
|
||||
// 4. Stream
|
||||
await streamCanvasRun(activeThreadId, input, {
|
||||
onMessage(msg) {
|
||||
// Only surface AI text replies; skip tool messages
|
||||
if (msg.type === "ai") {
|
||||
appendMessage(msg);
|
||||
}
|
||||
},
|
||||
onArtifact(artifact) {
|
||||
setArtifact(artifact);
|
||||
},
|
||||
onDone() {
|
||||
setIsStreaming(false);
|
||||
},
|
||||
onError(err) {
|
||||
console.error("[canvas] stream error:", err);
|
||||
setIsStreaming(false);
|
||||
},
|
||||
});
|
||||
},
|
||||
// messagesRef replaces direct `messages` dep — intentional
|
||||
// eslint-disable-next-line react-hooks/exhaustive-deps
|
||||
[
|
||||
threadId,
|
||||
modelName,
|
||||
setThreadId,
|
||||
navigate,
|
||||
appendMessage,
|
||||
setMessages,
|
||||
setArtifact,
|
||||
setIsStreaming,
|
||||
],
|
||||
);
|
||||
|
||||
return { sendMessage };
|
||||
}
|
||||
@@ -0,0 +1 @@
|
||||
export { useCanvasThreadContext as useCanvasThread } from "../contexts/CanvasThreadContext";
|
||||
@@ -0,0 +1,76 @@
|
||||
import { useNavigate } from "react-router-dom";
|
||||
import { v4 as uuidv4 } from "uuid";
|
||||
import { FileText, Code2, Sparkles } from "lucide-react";
|
||||
|
||||
import { Button } from "@/components/ui/button";
|
||||
|
||||
const QUICK_START_ITEMS = [
|
||||
{
|
||||
type: "text" as const,
|
||||
icon: FileText,
|
||||
title: "新建文本文档",
|
||||
description: "撰写和编辑 Markdown 文档，AI 实时协作修改",
|
||||
},
|
||||
{
|
||||
type: "code" as const,
|
||||
icon: Code2,
|
||||
title: "新建代码",
|
||||
description: "编写和重构多语言代码，AI 辅助生成与优化",
|
||||
},
|
||||
];
|
||||
|
||||
export default function CanvasHomePage() {
|
||||
const navigate = useNavigate();
|
||||
|
||||
function handleQuickStart(type: "text" | "code") {
|
||||
const threadId = uuidv4();
|
||||
navigate(`${threadId}?type=${type}`);
|
||||
}
|
||||
|
||||
return (
|
||||
<div className="h-full flex flex-col items-center justify-center bg-background px-6">
|
||||
<div className="w-full max-w-xl space-y-10">
|
||||
<div className="text-center space-y-3">
|
||||
<div className="inline-flex items-center justify-center w-12 h-12 rounded-xl bg-primary/10 mb-2">
|
||||
<Sparkles className="w-6 h-6 text-primary" />
|
||||
</div>
|
||||
<h1 className="text-3xl font-bold tracking-tight">Canvas 模式</h1>
|
||||
<p className="text-muted-foreground text-base leading-relaxed">
|
||||
在左侧聊天区与 AI 协作，右侧实时生成和编辑文档或代码
|
||||
</p>
|
||||
</div>
|
||||
|
||||
<div className="grid grid-cols-2 gap-4">
|
||||
{QUICK_START_ITEMS.map(({ type, icon: Icon, title, description }) => (
|
||||
<button
|
||||
key={type}
|
||||
onClick={() => handleQuickStart(type)}
|
||||
className="group flex flex-col gap-3 rounded-xl border bg-card p-5 text-left transition-all hover:border-primary/50 hover:shadow-md hover:bg-accent/30 focus:outline-none focus-visible:ring-2 focus-visible:ring-ring"
|
||||
>
|
||||
<div className="flex items-center justify-center w-9 h-9 rounded-lg bg-muted group-hover:bg-primary/10 transition-colors">
|
||||
<Icon className="w-4 h-4 text-muted-foreground group-hover:text-primary transition-colors" />
|
||||
</div>
|
||||
<div className="space-y-1">
|
||||
<p className="font-medium text-sm">{title}</p>
|
||||
<p className="text-xs text-muted-foreground leading-relaxed">
|
||||
{description}
|
||||
</p>
|
||||
</div>
|
||||
</button>
|
||||
))}
|
||||
</div>
|
||||
|
||||
<div className="text-center">
|
||||
<Button
|
||||
variant="ghost"
|
||||
size="sm"
|
||||
className="text-muted-foreground text-xs"
|
||||
onClick={() => navigate(uuidv4())}
|
||||
>
|
||||
或直接开始空白 Canvas
|
||||
</Button>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,20 @@
|
||||
import { useParams } from "react-router-dom";
|
||||
|
||||
import { CanvasThreadProvider } from "../contexts/CanvasThreadContext";
|
||||
import { CanvasGraphProvider } from "../contexts/CanvasGraphContext";
|
||||
import { CanvasUIProvider } from "../contexts/CanvasUIContext";
|
||||
import { CanvasShell } from "../components/layout/CanvasShell";
|
||||
|
||||
export default function CanvasThreadPage() {
|
||||
const { thread_id } = useParams<{ thread_id: string }>();
|
||||
|
||||
return (
|
||||
<CanvasThreadProvider initialThreadId={thread_id}>
|
||||
<CanvasGraphProvider>
|
||||
<CanvasUIProvider>
|
||||
<CanvasShell />
|
||||
</CanvasUIProvider>
|
||||
</CanvasGraphProvider>
|
||||
</CanvasThreadProvider>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,13 @@
|
||||
import { Route, Routes } from "react-router-dom";
|
||||
|
||||
import CanvasHomePage from "../pages/CanvasHomePage";
|
||||
import CanvasThreadPage from "../pages/CanvasThreadPage";
|
||||
|
||||
export default function OpenCanvasRoutes() {
|
||||
return (
|
||||
<Routes>
|
||||
<Route index element={<CanvasHomePage />} />
|
||||
<Route path=":thread_id" element={<CanvasThreadPage />} />
|
||||
</Routes>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,39 @@
|
||||
export type ProgrammingLanguageOptions =
|
||||
| "typescript"
|
||||
| "javascript"
|
||||
| "cpp"
|
||||
| "java"
|
||||
| "php"
|
||||
| "python"
|
||||
| "html"
|
||||
| "sql"
|
||||
| "json"
|
||||
| "rust"
|
||||
| "xml"
|
||||
| "clojure"
|
||||
| "csharp"
|
||||
| "other";
|
||||
|
||||
export type ArtifactType = "code" | "text";
|
||||
|
||||
export type CanvasArtifactText = {
|
||||
index: number;
|
||||
type: "text";
|
||||
title: string;
|
||||
fullMarkdown: string;
|
||||
};
|
||||
|
||||
export type CanvasArtifactCode = {
|
||||
index: number;
|
||||
type: "code";
|
||||
title: string;
|
||||
language: ProgrammingLanguageOptions;
|
||||
code: string;
|
||||
};
|
||||
|
||||
export type CanvasArtifactContent = CanvasArtifactText | CanvasArtifactCode;
|
||||
|
||||
export type CanvasArtifact = {
|
||||
currentIndex: number;
|
||||
contents: CanvasArtifactContent[];
|
||||
};
|
||||
@@ -0,0 +1,15 @@
|
||||
export type CanvasModel = {
|
||||
name: string;
|
||||
display_name: string;
|
||||
provider?: string;
|
||||
is_local?: boolean;
|
||||
supports_vision?: boolean;
|
||||
supports_thinking?: boolean;
|
||||
supports_reasoning_effort?: boolean;
|
||||
supports_tool_calling?: boolean;
|
||||
supports_canvas_generation?: boolean;
|
||||
supports_canvas_rewrite?: boolean;
|
||||
supports_canvas_code_edit?: boolean;
|
||||
supports_streaming_text?: boolean;
|
||||
supports_streaming_tool_calls?: boolean;
|
||||
};
|
||||
@@ -0,0 +1,20 @@
|
||||
export type QuickActionApplicableTo = "text" | "code" | "both";
|
||||
|
||||
export type QuickAction = {
|
||||
id: string;
|
||||
label: string;
|
||||
applicable_to: QuickActionApplicableTo;
|
||||
prompt_template?: string;
|
||||
};
|
||||
|
||||
export type QuickActionId =
|
||||
| "expand"
|
||||
| "shorten"
|
||||
| "formalize"
|
||||
| "casualize"
|
||||
| "add_comments"
|
||||
| "add_logs"
|
||||
| "fix_bugs"
|
||||
| "optimize_code"
|
||||
| "port_language"
|
||||
| string;
|
||||
@@ -0,0 +1,15 @@
|
||||
export type CanvasTextSelection = {
|
||||
fullMarkdown: string;
|
||||
markdownBlock: string;
|
||||
selectedText: string;
|
||||
};
|
||||
|
||||
export type CanvasCodeSelection = {
|
||||
startCharIndex: number;
|
||||
endCharIndex: number;
|
||||
};
|
||||
|
||||
export type CanvasSelectionState = {
|
||||
textSelection: CanvasTextSelection | null;
|
||||
codeSelection: CanvasCodeSelection | null;
|
||||
};
|
||||
@@ -0,0 +1,22 @@
|
||||
import type { CanvasArtifact } from "./artifact";
|
||||
|
||||
export type CanvasMessage = {
|
||||
id?: string;
|
||||
type: string;
|
||||
content: string | unknown[];
|
||||
additional_kwargs?: Record<string, unknown>;
|
||||
};
|
||||
|
||||
export type CanvasThreadValues = {
|
||||
title?: string;
|
||||
messages?: CanvasMessage[];
|
||||
artifact?: CanvasArtifact;
|
||||
web_search_results?: unknown[];
|
||||
todos?: unknown[];
|
||||
};
|
||||
|
||||
export type CanvasThreadMetadata = {
|
||||
ui_mode: "canvas";
|
||||
agent_id: "canvas_agent";
|
||||
model_name?: string;
|
||||
};
|
||||
@@ -0,0 +1,84 @@
|
||||
import type {
|
||||
CanvasArtifact,
|
||||
CanvasArtifactContent,
|
||||
CanvasArtifactText,
|
||||
CanvasArtifactCode,
|
||||
ProgrammingLanguageOptions,
|
||||
} from "../types/artifact";
|
||||
|
||||
export function getCurrentArtifactContent(
|
||||
artifact: CanvasArtifact | null,
|
||||
): CanvasArtifactContent | null {
|
||||
if (!artifact || artifact.contents.length === 0) return null;
|
||||
return (
|
||||
artifact.contents.find((c) => c.index === artifact.currentIndex) ??
|
||||
artifact.contents[artifact.contents.length - 1]
|
||||
);
|
||||
}
|
||||
|
||||
export function isTextArtifact(
|
||||
content: CanvasArtifactContent,
|
||||
): content is CanvasArtifactText {
|
||||
return content.type === "text";
|
||||
}
|
||||
|
||||
export function isCodeArtifact(
|
||||
content: CanvasArtifactContent,
|
||||
): content is CanvasArtifactCode {
|
||||
return content.type === "code";
|
||||
}
|
||||
|
||||
export function appendArtifactVersion(
|
||||
artifact: CanvasArtifact,
|
||||
content: Omit<CanvasArtifactContent, "index">,
|
||||
): CanvasArtifact {
|
||||
const nextIndex = artifact.contents.length + 1;
|
||||
const newContent = { ...content, index: nextIndex } as CanvasArtifactContent;
|
||||
return {
|
||||
currentIndex: nextIndex,
|
||||
contents: [...artifact.contents, newContent],
|
||||
};
|
||||
}
|
||||
|
||||
export function setCurrentArtifactIndex(
|
||||
artifact: CanvasArtifact,
|
||||
index: number,
|
||||
): CanvasArtifact {
|
||||
return { ...artifact, currentIndex: index };
|
||||
}
|
||||
|
||||
export function createDraftArtifact(
|
||||
type: "text" | "code",
|
||||
options?: {
|
||||
title?: string;
|
||||
content?: string;
|
||||
language?: ProgrammingLanguageOptions;
|
||||
},
|
||||
): CanvasArtifact {
|
||||
const { title, content = "", language = "python" } = options ?? {};
|
||||
if (type === "text") {
|
||||
return {
|
||||
currentIndex: 1,
|
||||
contents: [
|
||||
{
|
||||
index: 1,
|
||||
type: "text",
|
||||
title: title ?? "未命名文档",
|
||||
fullMarkdown: content,
|
||||
},
|
||||
],
|
||||
};
|
||||
}
|
||||
return {
|
||||
currentIndex: 1,
|
||||
contents: [
|
||||
{
|
||||
index: 1,
|
||||
type: "code",
|
||||
title: title ?? "未命名代码",
|
||||
language,
|
||||
code: content,
|
||||
},
|
||||
],
|
||||
};
|
||||
}
|
||||
@@ -0,0 +1,2 @@
|
||||
// Phase 9: map quick action ids to run inputs
|
||||
export {};
|
||||
@@ -0,0 +1,98 @@
|
||||
import type {
|
||||
CanvasSelectionState,
|
||||
CanvasTextSelection,
|
||||
} from "../types/selection";
|
||||
|
||||
export function hasActiveSelection(selection: CanvasSelectionState): boolean {
|
||||
return selection.textSelection !== null || selection.codeSelection !== null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Find the nearest line-level block in markdown that contains selectedText.
|
||||
* Falls back to the selectedText itself when no clean boundary is found.
|
||||
*/
|
||||
function findMarkdownBlock(fullMarkdown: string, selectedText: string): string {
|
||||
const idx = fullMarkdown.indexOf(selectedText);
|
||||
if (idx === -1) return selectedText;
|
||||
|
||||
let blockStart = idx;
|
||||
while (blockStart > 0 && fullMarkdown[blockStart - 1] !== "\n") {
|
||||
blockStart--;
|
||||
}
|
||||
|
||||
let blockEnd = idx + selectedText.length;
|
||||
while (blockEnd < fullMarkdown.length && fullMarkdown[blockEnd] !== "\n") {
|
||||
blockEnd++;
|
||||
}
|
||||
|
||||
return fullMarkdown.slice(blockStart, blockEnd).trim();
|
||||
}
|
||||
|
||||
/**
|
||||
* Read the browser selection and map it to a CanvasTextSelection.
|
||||
* Returns null when nothing meaningful is selected.
|
||||
*/
|
||||
export function captureTextSelection(
|
||||
fullMarkdown: string,
|
||||
): CanvasTextSelection | null {
|
||||
const sel = window.getSelection();
|
||||
if (!sel || sel.isCollapsed) return null;
|
||||
|
||||
const selectedText = sel.toString().trim();
|
||||
if (!selectedText) return null;
|
||||
|
||||
return {
|
||||
fullMarkdown,
|
||||
markdownBlock: findMarkdownBlock(fullMarkdown, selectedText),
|
||||
selectedText,
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Extract the code snippet from a full code string given char indices.
|
||||
*/
|
||||
export function resolveCodeSelection(
|
||||
code: string,
|
||||
start: number,
|
||||
end: number,
|
||||
): string {
|
||||
return code.slice(start, end).trim();
|
||||
}
|
||||
|
||||
/**
|
||||
* Build the human message with embedded selection context so the canvas_agent
|
||||
* knows exactly which portion to rewrite.
|
||||
*/
|
||||
export function buildMessageWithSelection(
|
||||
userText: string,
|
||||
selection: CanvasSelectionState,
|
||||
resolvedCode?: string,
|
||||
): string {
|
||||
const { textSelection, codeSelection } = selection;
|
||||
|
||||
if (textSelection?.selectedText) {
|
||||
return [
|
||||
"请针对以下选中的文本内容进行操作：",
|
||||
"",
|
||||
"<selection>",
|
||||
textSelection.selectedText,
|
||||
"</selection>",
|
||||
"",
|
||||
`用户指令：${userText}`,
|
||||
].join("\n");
|
||||
}
|
||||
|
||||
if (codeSelection && resolvedCode) {
|
||||
return [
|
||||
"请针对以下选中的代码片段进行操作：",
|
||||
"",
|
||||
"<selection>",
|
||||
resolvedCode,
|
||||
"</selection>",
|
||||
"",
|
||||
`用户指令：${userText}`,
|
||||
].join("\n");
|
||||
}
|
||||
|
||||
return userText;
|
||||
}
|
||||
@@ -0,0 +1,2 @@
|
||||
// Phase 6: parse LangGraph stream events into messages and artifact updates
|
||||
export {};
|
||||
@@ -0,0 +1,2 @@
|
||||
// Phase 5: thread creation, metadata tagging, and state recovery helpers
|
||||
export {};
|
||||
@@ -6,6 +6,7 @@ import { PageSidebar } from "@/components/page-sidebar";
|
||||
import WorkspaceRoutes from "./WorkspaceRoutes";
|
||||
import StrategyRoutes from "./StrategyRoutes";
|
||||
import Header from "@/strategy-components/Header";
|
||||
import OpenCanvasRoutes from "@/open-canvas/routes/OpenCanvasRoutes";
|
||||
|
||||
// 设为 true 时隐藏侧边栏（开发中，暂未完成）
|
||||
const SIDEBAR_ENABLED = false;
|
||||
@@ -41,6 +42,7 @@ function PageLayout() {
|
||||
}
|
||||
/>
|
||||
<Route path="strategy/*" element={<StrategyRoutes />} />
|
||||
<Route path="canvas/*" element={<OpenCanvasRoutes />} />
|
||||
</Routes>
|
||||
</main>
|
||||
</div>
|
||||
|
||||
@@ -6,7 +6,8 @@
|
||||
],
|
||||
"env": ".env",
|
||||
"graphs": {
|
||||
"lead_agent": "deerflow.agents:make_lead_agent"
|
||||
"lead_agent": "deerflow.agents:make_lead_agent",
|
||||
"canvas_agent": "deerflow.agents.canvas_agent:make_canvas_agent"
|
||||
},
|
||||
"auth": {
|
||||
"path": "./app/gateway/langgraph_auth.py:auth"
|
||||
|
||||
+3
@@ -0,0 +1,3 @@
|
||||
from deerflow.agents.canvas_agent.agent import make_canvas_agent
|
||||
|
||||
__all__ = ["make_canvas_agent"]
|
||||
+68
@@ -0,0 +1,68 @@
|
||||
from __future__ import annotations
|
||||
|
||||
import logging
|
||||
|
||||
from langchain.agents import create_agent
|
||||
from langchain_core.runnables import RunnableConfig
|
||||
|
||||
from deerflow.agents.canvas_agent.prompt import CANVAS_SYSTEM_PROMPT
|
||||
from deerflow.agents.canvas_agent.tools import update_artifact_tool
|
||||
from deerflow.agents.middlewares.clarification_middleware import ClarificationMiddleware
|
||||
from deerflow.agents.middlewares.dangling_tool_call_middleware import DanglingToolCallMiddleware
|
||||
from deerflow.agents.middlewares.loop_detection_middleware import LoopDetectionMiddleware
|
||||
from deerflow.agents.middlewares.title_middleware import TitleMiddleware
|
||||
from deerflow.agents.middlewares.tool_error_handling_middleware import ToolErrorHandlingMiddleware
|
||||
from deerflow.agents.thread_state import ThreadState
|
||||
from deerflow.config.app_config import get_app_config
|
||||
from deerflow.models import create_chat_model
|
||||
from deerflow.tools.builtins import ask_clarification_tool
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
|
||||
def _get_runtime_config(config: RunnableConfig) -> dict:
|
||||
cfg = dict(config.get("configurable", {}) or {})
|
||||
context = config.get("context", {}) or {}
|
||||
if isinstance(context, dict):
|
||||
cfg.update(context)
|
||||
return cfg
|
||||
|
||||
|
||||
def make_canvas_agent(config: RunnableConfig):
|
||||
"""LangGraph graph factory for canvas mode; signature compatible with LangGraph Server."""
|
||||
app_config = get_app_config()
|
||||
cfg = _get_runtime_config(config)
|
||||
|
||||
requested_model = cfg.get("model_name") or cfg.get("model")
|
||||
if requested_model and app_config.get_model_config(requested_model):
|
||||
model_name = requested_model
|
||||
else:
|
||||
if requested_model:
|
||||
logger.warning("Canvas agent: model '%s' not found; falling back to default.", requested_model)
|
||||
model_name = app_config.models[0].name if app_config.models else None
|
||||
|
||||
if model_name is None:
|
||||
raise ValueError("No chat models configured. Please add at least one model in config.yaml.")
|
||||
|
||||
thinking_enabled = cfg.get("thinking_enabled", False)
|
||||
model_config = app_config.get_model_config(model_name)
|
||||
if thinking_enabled and model_config and not model_config.supports_thinking:
|
||||
thinking_enabled = False
|
||||
|
||||
logger.info("Create CanvasAgent -> model_name: %s, thinking_enabled: %s", model_name, thinking_enabled)
|
||||
|
||||
middlewares = [
|
||||
DanglingToolCallMiddleware(),
|
||||
ToolErrorHandlingMiddleware(),
|
||||
TitleMiddleware(app_config=app_config),
|
||||
LoopDetectionMiddleware(),
|
||||
ClarificationMiddleware(),
|
||||
]
|
||||
|
||||
return create_agent(
|
||||
model=create_chat_model(name=model_name, thinking_enabled=thinking_enabled, app_config=app_config),
|
||||
tools=[update_artifact_tool, ask_clarification_tool],
|
||||
middleware=middlewares,
|
||||
system_prompt=CANVAS_SYSTEM_PROMPT,
|
||||
state_schema=ThreadState,
|
||||
)
|
||||
+40
@@ -0,0 +1,40 @@
|
||||
CANVAS_SYSTEM_PROMPT = """You are a Canvas AI assistant that helps users create and edit documents and code.
|
||||
|
||||
<canvas_behavior>
|
||||
You work with an **artifact** — a document or code file shown in the canvas panel on the right.
|
||||
ALWAYS call `update_artifact` to save your work. Never embed the artifact content in your chat response.
|
||||
|
||||
Rules:
|
||||
- On every request that creates or changes the artifact, call `update_artifact` ONCE with the COMPLETE updated content.
|
||||
- In your text reply, describe what you did in 1–2 sentences.
|
||||
- If the user is only asking a question (no edit needed), answer in text — skip the tool call.
|
||||
</canvas_behavior>
|
||||
|
||||
<artifact_context>
|
||||
The current artifact state is injected into your context. When editing, build on the existing content exactly.
|
||||
When creating from scratch, produce a complete, high-quality artifact in one shot.
|
||||
</artifact_context>
|
||||
|
||||
<selection_rewrite>
|
||||
When the user's message contains a <selection> block, you MUST:
|
||||
1. Identify the exact selection in the current artifact content.
|
||||
2. Rewrite ONLY that selection according to the user's instruction.
|
||||
3. Keep the rest of the artifact exactly unchanged.
|
||||
4. Call update_artifact with the complete artifact where the selection has been replaced.
|
||||
|
||||
Example: if the artifact is "A B C" and the selection is "B" with instruction "make it bold",
|
||||
produce "A **B** C" — not a new document.
|
||||
</selection_rewrite>
|
||||
|
||||
<quick_actions>
|
||||
When the user triggers a quick action, apply it to the full artifact unless specific highlighted text is provided:
|
||||
- expand: Add depth and detail while preserving structure
|
||||
- shorten: Condense to the essential points
|
||||
- formalize: Rewrite in professional, formal language
|
||||
- casualize: Rewrite in friendly, conversational language
|
||||
- add_comments: Add clear, helpful code comments
|
||||
- add_logs: Add appropriate logging statements
|
||||
- fix_bugs: Identify and fix all bugs in the code
|
||||
- optimize_code: Improve performance and readability
|
||||
</quick_actions>
|
||||
"""
|
||||
+65
@@ -0,0 +1,65 @@
|
||||
from __future__ import annotations
|
||||
|
||||
from typing import Annotated, Literal
|
||||
|
||||
from langchain.tools import InjectedToolCallId, ToolRuntime, tool
|
||||
from langchain_core.messages import ToolMessage
|
||||
from langgraph.types import Command
|
||||
from langgraph.typing import ContextT
|
||||
|
||||
from deerflow.agents.thread_state import CanvasArtifact, CanvasArtifactCode, CanvasArtifactText, ThreadState
|
||||
|
||||
|
||||
@tool("update_artifact", parse_docstring=True)
|
||||
def update_artifact_tool(
|
||||
runtime: ToolRuntime[ContextT, ThreadState],
|
||||
tool_call_id: Annotated[str, InjectedToolCallId],
|
||||
type: Literal["text", "code"],
|
||||
title: str,
|
||||
content: str,
|
||||
language: str = "other",
|
||||
) -> Command:
|
||||
"""Create or update the canvas artifact. Always call this to persist your work.
|
||||
|
||||
Args:
|
||||
type: Artifact type — "text" for markdown documents, "code" for source code.
|
||||
title: Human-readable title of the artifact.
|
||||
content: Full artifact content: markdown text or complete source code.
|
||||
language: Programming language (for code type only, e.g. "python", "typescript"). Ignored for text.
|
||||
"""
|
||||
current: CanvasArtifact | None = (runtime.state or {}).get("artifact") if runtime.state else None
|
||||
|
||||
if current is not None:
|
||||
existing_contents = list(current.get("contents", []))
|
||||
new_index = current.get("currentIndex", len(existing_contents)) + 1
|
||||
else:
|
||||
existing_contents = []
|
||||
new_index = 1
|
||||
|
||||
if type == "text":
|
||||
new_entry: CanvasArtifactText | CanvasArtifactCode = CanvasArtifactText(
|
||||
index=new_index,
|
||||
type="text",
|
||||
title=title,
|
||||
fullMarkdown=content,
|
||||
)
|
||||
else:
|
||||
new_entry = CanvasArtifactCode(
|
||||
index=new_index,
|
||||
type="code",
|
||||
title=title,
|
||||
language=language,
|
||||
code=content,
|
||||
)
|
||||
|
||||
updated: CanvasArtifact = {
|
||||
"currentIndex": new_index,
|
||||
"contents": existing_contents + [new_entry],
|
||||
}
|
||||
|
||||
return Command(
|
||||
update={
|
||||
"artifact": updated,
|
||||
"messages": [ToolMessage("Artifact updated.", tool_call_id=tool_call_id)],
|
||||
}
|
||||
)
|
||||
@@ -1,4 +1,4 @@
|
||||
from typing import Annotated, NotRequired, TypedDict
|
||||
from typing import Annotated, Literal, NotRequired, Optional, TypedDict
|
||||
|
||||
from langchain.agents import AgentState
|
||||
|
||||
@@ -18,6 +18,26 @@ class ViewedImageData(TypedDict):
|
||||
mime_type: str
|
||||
|
||||
|
||||
class CanvasArtifactText(TypedDict):
|
||||
index: int
|
||||
type: Literal["text"]
|
||||
title: str
|
||||
fullMarkdown: str
|
||||
|
||||
|
||||
class CanvasArtifactCode(TypedDict):
|
||||
index: int
|
||||
type: Literal["code"]
|
||||
title: str
|
||||
language: str
|
||||
code: str
|
||||
|
||||
|
||||
class CanvasArtifact(TypedDict):
|
||||
currentIndex: int
|
||||
contents: list[CanvasArtifactText | CanvasArtifactCode]
|
||||
|
||||
|
||||
def merge_artifacts(existing: list[str] | None, new: list[str] | None) -> list[str]:
|
||||
"""Reducer for artifacts list - merges and deduplicates artifacts."""
|
||||
if existing is None:
|
||||
@@ -53,3 +73,11 @@ class ThreadState(AgentState):
|
||||
todos: NotRequired[list | None]
|
||||
uploaded_files: NotRequired[list[dict] | None]
|
||||
viewed_images: Annotated[dict[str, ViewedImageData], merge_viewed_images] # image_path -> {base64, mime_type}
|
||||
# Canvas fields (coexist with artifacts: list[str] which tracks file outputs)
|
||||
artifact: NotRequired[Optional[CanvasArtifact]]
|
||||
highlighted_text: NotRequired[Optional[str]]
|
||||
highlighted_code: NotRequired[Optional[str]]
|
||||
canvas_mode: NotRequired[Optional[Literal["text", "code"]]]
|
||||
quick_action_id: NotRequired[Optional[str]]
|
||||
web_search_enabled: NotRequired[bool]
|
||||
web_search_results: NotRequired[Optional[list[dict]]]
|
||||
Generated
+2692
-2692
File diff suppressed because it is too large.
Load diff
Reference in new issue
Block a user