Initial commit: opencode_bridge JupyterLab extension (Slices 1-3.5)
A JupyterLab extension that bridges the cell UI to a local OpenCode Serve process. The extension is a dual package: a Python server extension exposed under /opencode-bridge/*, plus a TypeScript frontend that registers per-cell toolbars. Backend (Python, tornado) - Slice 1: config + auth + OpenCode HTTP client (tornado.httpclient, no aiohttp). 4 settings in schema/plugin.json (url, user, password, request timeout). - Slice 2: handlers for /hello, /health, /providers, /edit. - Slice 2.1 (correction): SessionManager with 1 notebook = 1 session mapping, async-safe via per-path locks, 404 recovery via invalidate(). Two new endpoints: GET /sessions, DELETE /session?notebook=<path>. - 32 pytest tests pass. Frontend (TypeScript, JupyterLab 4.6) - src/types.ts: CellContext, OpenCodeRequest/Response, OpenCodeSettings. - src/context/cell_context.ts: extract CellContext from a CodeCell + its parent NotebookPanel, structured error collection. - src/api/opencode_client.ts: callOpenCodeEdit, callOpenCodeProviders. - src/components/opencode_cell_footer.ts: OpenCodeCellFooter Widget implementing ICellFooter with 3 buttons (optimize / fix / edit), resolved via this.parent instanceof CodeCell. NOT cellToolbar (does not exist in JL 4.6) and NOT Widget.findParent (removed in @lumino/widgets 2.x). - src/components/opencode_cell_factory.ts: Cell.ContentFactory subclass returning the OpenCodeCellFooter. - src/components/opencode_installer.ts: installOpenCodeEverywhere patches every notebook (existing + new) to use the custom factory. - src/index.ts: registers the factory, loads settings, fetches /providers on activation and logs the list to the console. - 23 jest tests pass (mocked JupyterLab boundary, pnpm path safe). Settings - 6 fields: 3 auth (url/user/password) + 1 timeout + 2 model selection (provider/model). Provider list is fetched at startup from /opencode-bridge/providers and printed to the browser console so users can copy values into Settings Editor. Docs - design.md: 6 sections covering architecture, UI flow, API contract, TS skeletons, session management (v0.2.1 correction), and provider/model selection (v0.2.2 addition). - CLAUDE.md: agent guidance for working in this repo. - TODO.md: remaining work for Slices 4-7 + v0.4+ backlog. CI - Gitea release workflow at .github/workflows/build.yml. - Bark notification helper (non-fatal on failure). Generated artefacts ignored: opencode_bridge/labextension/, _version.py, *.tsbuildinfo, junit.xml, test.ipynb scratch notebook.
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tao.chen
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# TODO
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剩余开发任务。按依赖顺序切片，每步可独立验证。
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---
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## Slice 4 — Diff 面板 + Yjs 写入
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**目标**：把 `OpenCodeCellFooter._handleResponse` 里的 `Notification.info(...)` 替换成真正的 Diff 面板，支持 Accept / Reject / 微调，写入走 Yjs 事务保护。
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**未决问题先回答再写代码**：
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1. Accept 后是否自动执行 cell？（建议：否，让用户自己决定；slice 5 再说）
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2. 多个 cell 同时打开 Diff 面板时如何管理？（每个 footer 实例一个面板 vs 全局单例——建议每 cell 一个）
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3. Diff 视图用什么库？JL 自带 `IDiffModel`？还是简单 `diff-match-patch`？**零新依赖**优先
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**任务**：
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- [ ] 在 `src/components/diff_panel.ts` 新建 `DiffPanel` widget（继承 `ReactWidget` 或纯 Lumino `Widget`）
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- [ ] 接受 → `cell.model.sharedModel.transact(() => cell.model.sharedModel.setSource(finalSource), 'opencode-bridge-accept')`
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- [ ] 拒绝 → 关闭面板
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- [ ] 微调 → 进入 textarea 编辑模式
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- [ ] 在 `_handleResponse` 里替换 `Notification.info` 调用，改为打开 `DiffPanel`
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- [ ] 新增 `src/__tests__/diff_panel.spec.ts` 测试 accept/reject 路径
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**验收**：
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- `pytest opencode_bridge/tests/` 仍 32/32 pass
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- `jest src/__tests__/` 仍 23/23+ pass（+ diff_panel 新测试）
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- `tsc --noEmit` 干净
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---
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## Slice 5 — Inline prompt + Edit flow
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**目标**：替换 `opencode_cell_footer.ts:127` 里的 `window.prompt(...)`，做内嵌 prompt 框，跟 design.md §2 一致。
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**任务**：
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- [ ] 在 `opencode_cell_footer.ts` 加内嵌 prompt 状态机：`closed → open → streaming → done / error`
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- [ ] `🪄 编辑` 按钮点击 → 状态变 `open` → footer 下方滑出 textarea + 发送/取消按钮
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- [ ] 提交 → 状态变 `streaming` → 显示进度（用现有 loading 状态） → 完成后切到 `done` → Diff 面板出现
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- [ ] 取消 → 状态回到 `closed`
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- [ ] 多个 cell 同时 open 的 prompt 互相独立（每个 footer 自己的状态）
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**验收**：
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- 所有现有测试 pass
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- 新增 1 个状态机集成测试
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---
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## Slice 6 — Fix flow 完整闭环
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**目标**：🐛 排错按钮从"灰着"变成真能用——点击后调用 `/edit` 带 `mode: 'fix'`，自动注入 traceback 到 context（后端 `_build_request_body` 已支持，前端只发就行）。
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**任务**：
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- [ ] 验证 cell 报错后 → fix 按钮可点（已实现）
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- [ ] 点击 → 后端在 `_build_request_body` 里用 `error` 字段拼 traceback（已实现）
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- [ ] 流式回包后 → Diff 面板显示修复版代码（Slice 4 完成后顺带支持）
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- [ ] 验证 acceptance 后 `cell.model.sharedModel.setSource(...)` 后用户能直接重跑
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**验收**：
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- `pytest opencode_bridge/tests/` 加一个 fix-mode 的 test（mock OpenCode client 验证 traceback 被拼进 parts）
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---
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## Slice 7 — 边界场景
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**目标**：把所有 v0.2/v0.2.1/v0.2.2 设计里"未解决"和"边界"集中处理。
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**任务**：
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- [ ] **OpenCode 不可达**：前端 `HealthHandler` 返回 503 → 3 个按钮全 disabled + Notification 显示
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- [ ] **401/403**：OpenCode 拒绝 Basic Auth → Notification 提示检查 `opencodeServerPassword` setting
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- [ ] **session 失效**：OpenCode 返回 404 → 后端 `EditHandler` 调用 `sm.invalidate(notebook_path)` → 下次 `get_or_create` 重建（**后端逻辑已在 v0.2.1 实现**，补前端 Notification 提示）
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- [ ] **空 notebook path**：`EditHandler` 400 + `{error: "missing context.notebookPath"}`（已实现，前端检查）
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- [ ] **长 prompt 截断**：超 4000 chars 的 prompt 提示用户
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- [ ] **provider/model 拼错**：`/config/providers` 返回 200 但 provider 不存在 → OpenCode 端报错 → 后端 `EditHandler` 502 + 错误信息透传
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- [ ] **取消进行中请求**：用户点 ✨ 之后能取消 → AbortController + `client.abort(session_id)` 调 OpenCode `/session/:id/abort`
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**验收**：
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- 每个边界场景有一个对应的 test（pytest 或 jest，看发生在哪层）
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- Notification 文案一致
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---
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## v0.4+（不在本轮迭代范围内）
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来自 design.md §5.6：
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- TTL reaper：notebook 关闭后 30 分钟 idle 自动 release session
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- 多 server 横向扩展：in-memory state → Redis / sticky session
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- 启动清理：Jupyter 重启后调 `GET /session` 列出 OpenCode 端孤儿删除
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- 并发 LLM 调用：`asyncio.Semaphore(per_session=1)` 显式控制
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- 流式 UX：v0.3 砍掉流式（同步版），v0.4 加 `prompt_async` + `/event` SSE 多路复用
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- Provider/model 选值 UX：升级为 JupyterLab command + QuickPick，替代 console.log
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来自 design.md §6.2：
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- Settings UI dynamic enum：等 JupyterLab 支持后把 console.log 替换成真正的 settings 渲染器
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---
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## 当前统计
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- **后端**：32 pytest tests（config + client + routes + session_manager）
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- **前端**：23 jest tests（types + cell_context + opencode_client + opencode_cell_footer）
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- **Schema 字段**：6（3 auth + 1 timeout + 2 provider/model）
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- **设计文档**：`design.md` v0.2.2，6 节
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- **CLAUDE.md** 已建
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总进度：Slices 1–3.5 完成，4–7 待开发。
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