79 lines
3.5 KiB
Markdown
79 lines
3.5 KiB
Markdown
---
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phase: 04-iframe-markdown-new-system-stabilization
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plan: 01
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subsystem: frontend-runtime
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tags: [iframe, markdown-export, stability, e2e]
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requires:
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- phase: 03-legacy-visual-alignment-pass
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provides: stable route/welcome assertions baseline
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provides:
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- iframe message ingestion guards for selectedSkill events
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- export flow error handling for markdown/json downloads
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- phase-4 regression guard updates for backend-unstable history scenarios
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affects: [phase-05-test-hardening-and-commit-hygiene]
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tech-stack:
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added: []
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patterns:
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- recoverable-failure UI flow
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- payload guard + idempotent bootstrap
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- frontend-controlled e2e assertions
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key-files:
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created:
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- .planning/phases/04-iframe-markdown-new-system-stabilization/04-SUMMARY.md
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modified:
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- frontend/src/core/iframe-messages.ts
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- frontend/src/hooks/use-iframe-skill.ts
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- frontend/src/hooks/use-selected-skill-listener.ts
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- frontend/src/lib/utils.ts
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- frontend/src/components/workspace/chats/use-thread-chat.ts
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- frontend/src/core/threads/export.ts
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- frontend/src/components/workspace/export-trigger.tsx
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- frontend/tests/e2e/input-and-compose.spec.ts
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- frontend/tests/e2e/message-and-history.spec.ts
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key-decisions:
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- "后端不稳定场景下,E2E 优先验证前端可控状态,历史依赖用例允许 skip 并保留可解释原因。"
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- "selectedSkill 消息采用结构校验 + 非法 payload 忽略策略,避免异常数据打断主流程。"
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- "导出链路失败统一可见反馈,不让异常静默吞掉。"
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requirements-targeted: [LOGIC-01, LOGIC-02]
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duration: 35 min
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completed: 2026-04-07
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---
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# Phase 04 Plan 01 Summary
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**完成 Phase 4 首轮执行:iframe 通信与导出链路加入前端容错,目标 lint/E2E 验证通过。**
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## What Was Implemented
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1. Iframe 消息协议与技能联动加固
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- 在 `core/iframe-messages.ts` 新增 `isSelectedSkillMessage` 守卫,统一 selectedSkill payload 校验。
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- `use-iframe-skill.ts` 使用守卫过滤非法消息,仅消费合法 selectedSkill。
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- `use-selected-skill-listener.ts` 增加非法 `skill id` 保护(非正数/非数字直接拒绝并给出错误)。
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2. 聊天与复制路径的可恢复失败
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- `lib/utils.ts` 中 iframe `postMessage` 发送失败时不直接中断,回退到 direct clipboard 路径。
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- `use-thread-chat.ts` 增加 thread_id 合法性过滤,屏蔽 `new/null/undefined` 等污染值。
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3. 导出链路稳定化
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- `core/threads/export.ts` 的下载逻辑加入浏览器环境保护与 `finally` 释放 URL。
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- `export-trigger.tsx` 增加导出 try/catch,失败时 toast 提示而不是静默失败。
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4. E2E 护栏收敛
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- `input-and-compose.spec.ts` 去除对“建议词必须填充占位文本”的过严断言,改为验证点击后输入区无异常。
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- `message-and-history.spec.ts` 将强依赖历史消息的断言改为前端可控优先,并在历史数据缺失时 `skip`(附原因)。
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## Verification
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- `cd frontend && npm run lint`
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- 结果:通过(0 errors,36 warnings)。
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- `cd frontend && npm run test:e2e -- input-and-compose.spec.ts message-and-history.spec.ts`
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- 结果:通过(6 passed,5 skipped)。
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- skip 原因:fixture 历史消息/To-dos 入口在当前环境不可见,已保留明确 skip 信息。
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## Outcome Against Must-Haves
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- iframe 通信链路容错:达成(非法 payload 不再污染主流程)。
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- markdown 导出稳定反馈:达成(成功/失败均有可见反馈)。
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- artifact/导出边界不扩 scope:达成(仅前端稳定化,无后端改造)。
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