Qwen Code v0.21.6-preview.0

## 更新内容 * feat(browser-ext): 添加 Alpha 版本就绪诊断 by @yiliang114 在 https://github.com/QwenLM/qwen-code/pull/6739 * docs: 补充无头 Goal 工作流文档 by @DragonnZhang 在 https://github.com/QwenLM/qwen-code/pull/8503 * feat(core): 引导将 PR、Issue 和评论 URL 记录为工件 by @wenshao 在 https://github.com/QwenLM/qwen-code/pull/8453 * ci: 将受信任作者的分叉 PR 和无 checkout 作业路由至 ECS 池 by @wenshao 在 https://github.com/QwenLM/qwen-code/pull/8502 * fix(web-shell): 保持待处理的后台代理处于活跃状态 by @carffuca 在 https://github.com/QwenLM/qwen-code/pull/8413 * fix(desktop): 轮换 Tauri 更新程序签名密钥 by @yiliang114 在 https://github.com/QwenLM/qwen-code/pull/8511 * fix(web-shell): 在 Firefox 中为消息内容添加显式的 ::selection 样式 by @C0d3N1nja97342 在 https://github.com/QwenLM/qwen-code/pull/8417 * refactor(core): 将审查技能事件记录移至 DESIGN.md by @wenshao 在 https://github.com/QwenLM/qwen-code/pull/8499 * fix(core): 强化 Qwen 3.8 推理努力 wire shape（数据结构） by @wenshao 在 https://github.com/QwenLM/qwen-code/pull/8488 * perf(review): 在单次响应中发出独立的设置调用 by @wenshao 在 https://github.com/QwenLM/qwen-code/pull/8487 * fix(review): 在仍有时间报告时停止反向审计循环 by @wenshao 在 https://github.com/QwenLM/qwen-code/pull/8468 * fix(autofix): 将分页获取规范化为每个文件一个扁平数组 by @wenshao 在 https://github.com/QwenLM/qwen-code/pull/8438 * feat(web-shell): 将计划审批绑定至其 Todo 修订版 by @yiliang114 在 https://github.com/QwenLM/qwen-code/pull/8393 * fix(core): 按系列解决 DashScope thinking-knob 冲突（#8488 第二轮） by @wenshao 在 https://github.com/QwenLM/qwen-code/pull/8536 * fix(cli): 修复审查 test-efficacy 测试依赖环境 tmpdir vitest 的问题 by @wenshao 在 https://github.com/QwenLM/qwen-code/pull/8537 * feat(serve): 添加必需的外部工具守卫提供者 by @chiga0 在 https://github.com/QwenLM/qwen-code/pull/8125 * fix(desktop): 在 Tauri 构建前为 ripgrep 和 node 二进制文件进行代码签名 by @yiliang114 在 https://github.com/QwenLM/qwen-code/pull/8518 * fix(core): 为多模态压缩复用提示词缓存 by @DragonnZhang 在 https://github.com/QwenLM/qwen-code/pull/8419 * fix(cli): 在页脚中保留 Qwen Review 启动版本 by @yiliang114 在 https://github.com/QwenLM/qwen-code/pull/8431 * fix(serve): 检测整个文件的 lineEnding 而非返回的切片 by @doudouOUC 在 https://github.com/QwenLM/qwen-code/pull/8383 * perf(core): 将工具结果清理至低水位线以保留提示词缓存 by @doudouOUC 在 https://github.com/QwenLM/qwen-code/pull/8464 **完整更新日志**: https://github.com/QwenLM/qwen-code/compare/v0.21.5...v0.21.6-preview.0

## What's Changed * feat(browser-ext): add alpha readiness diagnostics by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/6739 * docs: document headless Goal workflows by @DragonnZhang in https://github.com/QwenLM/qwen-code/pull/8503 * feat(core): guide recording of PR, issue, and comment URLs as artifacts by @wenshao in https://github.com/QwenLM/qwen-code/pull/8453 * ci: route trusted-author fork PRs and no-checkout jobs to the ECS pool by @wenshao in https://github.com/QwenLM/qwen-code/pull/8502 * fix(web-shell): keep pending background agents active by @carffuca in https://github.com/QwenLM/qwen-code/pull/8413 * fix(desktop): rotate Tauri updater signing key by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/8511 * fix(web-shell): add explicit ::selection for message content in Firefox by @C0d3N1nja97342 in https://github.com/QwenLM/qwen-code/pull/8417 * refactor(core): move review skill incident narratives to DESIGN.md by @wenshao in https://github.com/QwenLM/qwen-code/pull/8499 * fix(core): harden Qwen 3.8 reasoning effort wire shape by @wenshao in https://github.com/QwenLM/qwen-code/pull/8488 * perf(review): issue independent setup calls in one response by @wenshao in https://github.com/QwenLM/qwen-code/pull/8487 * fix(review): stop the reverse-audit loop while there is still time to report by @wenshao in https://github.com/QwenLM/qwen-code/pull/8468 * fix(autofix): normalize paginated fetches to one flat array per file by @wenshao in https://github.com/QwenLM/qwen-code/pull/8438 * feat(web-shell): bind plan approval to its Todo revision by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/8393 * fix(core): resolve DashScope thinking-knob conflicts by family (#8488 round 2) by @wenshao in https://github.com/QwenLM/qwen-code/pull/8536 * fix(cli): stop review test-efficacy tests depending on ambient tmpdir vitest by @wenshao in https://github.com/QwenLM/qwen-code/pull/8537 * feat(serve): add a required external tool guard provider by @chiga0 in https://github.com/QwenLM/qwen-code/pull/8125 * fix(desktop): codesign ripgrep and node binaries before tauri build by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/8518 * fix(core): reuse prompt cache for multimodal compression by @DragonnZhang in https://github.com/QwenLM/qwen-code/pull/8419 * fix(cli): preserve Qwen Review startup version in footers by @yiliang114 in https://github.com/QwenLM/qwen-code/pull/8431 * fix(serve): detect lineEnding across the file, not the returned slice by @doudouOUC in https://github.com/QwenLM/qwen-code/pull/8383 * perf(core): clear tool results to a low watermark to preserve prompt cache by @doudouOUC in https://github.com/QwenLM/qwen-code/pull/8464 **Full Changelog**: https://github.com/QwenLM/qwen-code/compare/v0.21.5...v0.21.6-preview.0

Qwen Code v0.21.6-preview.0 预发布