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fix(diagnostics): 日志体系完善与稳定性修复（图表竞态崩溃 / WebDAV 探测 / 大分片持久化节流） - #434
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依据 24 小时客户端诊断日志定位并修复以下问题：
渲染进程崩溃（ownerDocument）：
- repo-insights 插件 drawChart 存在 RAF 竞态：同一画布连续重绘时，
旧实例的 resize RAF 在 destroy（chart.canvas 被置 null）后触发，
Chart.js 内部读取 canvas.ownerDocument 抛出未捕获 TypeError，
窗口恢复后积压回调同帧触发、同一毫秒连报多条。现每画布仅保留
最新 RAF 并在回调内校验实例与画布；画布缺失时不再 new Chart(null)。
插件版本升至 0.1.1。
- 超大仓库（如 RSSHub）stats 端点 422 现归入"统计不可用"文案，
不再显示通用加载失败。
诊断日志完善（举一反三，同类问题统一修复）：
- logger 对 Error 数据源改用 sanitizeError 序列化（message/stack
不可枚举导致此前 data 落成 {}），对象内 Error 值一并覆盖；
新增 logger.test.ts。
- 主进程 console-message 捕获 stackTrace（逐行脱敏、限量截断），
未捕获异常不再只有一行消息。
- 全局错误处理器 script error 栈改走 sanitizeError（含内联脱敏）。
- fetchCapture / netTap / webRequest 按错误性质分级：用户中止
（AbortError、net::ERR_ABORTED）→ info；瞬时网络状况
（ERR_NETWORK_CHANGED / DISCONNECTED / CONNECTION_RESET）→ warn；
其余维持 error，并附加 errorName。
WebDAV：
- testConnection 改为 PROPFIND（RFC 4918 标准方法）首发、HEAD 降级，
消除坚果云对集合 HEAD 403 的误报；fileExists 遇 HEAD 403 降级
PROPFIND 确认，不再误判文件不存在。
持久化：
- 大分片（>5MB，如 140MB 的 releases）idle 写入按分片设置 60s 最小
间隔：冷却期内请求合并且不丢最新值，flush 等关键路径绕过节流。
验证：vitest 1712 用例、electron node --test、eslint、tsc、
vite build + bundle 预算全部通过；插件竞态经 jsdom 端到端复现
（修复前 8 条未捕获错误 → 修复后 0 条）。
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Included review availability: This review used your included allowance. Your plan provides up to 8 included reviews per hour; 5 remain after this review. 📝 WalkthroughWalkthrough本次更新调整错误日志脱敏与分类、Repo Insights 插件的图表和指标错误处理、WebDAV 探测回退，以及大分片 idle 写入节流。 Changes错误日志处理
Repo Insights 插件
WebDAV 探测
持久化写入节流
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~45 minutes Change: Bug fix Merge Risk: ⚪ Minimal · up to This PR improves error-log sanitization, chart resize safety, WebDAV probing, and large-shard write throttling. I found no remaining concrete defect that should block the merge. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 60.87% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 23 functions across 15 files. (1 skipped: 1 unsupported.)
✨ Finishing Touches 💡 1📝 Generate docstrings 💡
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Review comments at @electron/main.js:
- Around line 217-220: 在 console-message 处理逻辑中，不要从 details.stackTrace 读取堆栈，因为
Electron 44.4.5
的该事件不提供此字段。改为从渲染进程显式传送已脱敏的堆栈，或从实际提供堆栈的事件来源获取，并确保真实事件形态下原生渲染进程错误的堆栈能进入诊断日志。
Review comments at @src/services/logger.ts:
- Line 47: Update the preprocessing logic that feeds sanitizeForLog to
recursively process array elements and nested object values, converting
encountered Error instances so their details are preserved in logs. Keep
field-name redaction and circular-reference handling intact, and add tests
covering Errors in nested objects and arrays.
Review comments at @src/services/webdavService.ts:
- Line 328: In the connection test, pass its existing abort signal to the
fallback HEAD request in `headResponse` and keep the timeout active until the
probe finishes, then clear the timer. In the file check, apply the same change
to the fallback PROPFIND request: reuse that check’s abort signal and clear its
timer only after the check completes. The affected sites are
`src/services/webdavService.ts` lines 328-328 and 557-557.
- Line 314: 在 `davFetch` 执行 `PROPFIND` 抛出非超时错误后，继续尝试带超时限制的 `HEAD`
回退；保留现有超时错误处理，并在 `HEAD` 成功时将连接判定为可用。
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…列化 Error、WebDAV 降级与超时覆盖）
- main.js：Electron 44 的 console-message details 不含 stackTrace（已核对
v44.4.5 官方文档），撤销无效分支；未捕获异常的堆栈由渲染进程
ui.global 条目（globalErrorHandlers 最先安装）经 diagnosticsBridge
承担，兜底 handler 注释写明职责边界。同步回滚 redact.js 的
redactInline 导出。
- logger.ts：Error 预处理改为递归——嵌套对象与数组内的 Error 值同样
序列化为 {name,message,stack}，循环引用按 sanitizeForLog 同款
WeakSet 守卫，补嵌套与循环用例。
- webdavService.ts：testConnection 在 PROPFIND 抛非超时错误（如浏览器
直连被 CORS 预检拒绝）时仍降级 HEAD，不再把可用连接误报为失败；
HEAD/PROPFIND 回退请求共用同一 AbortController，10s 超时覆盖整个
探测过程（testConnection 与 fileExists 同修）；fileExists 的
controller/timeoutId 提升至 try 外以便 catch 清理。
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Review comments at @src/services/webdavService.ts:
- Around line 324-338: In testConnection, use one 10-second deadline from before
the initial PROPFIND and pass the remaining budget to the HEAD fallback; on
desktop, skip fallback when 1 second or less remains. Keep the timeout active
until the status-based HEAD fallback completes, clearing it only after the final
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- testConnection/fileExists 改用统一 deadline：浏览器直连与后端代理共用 AbortController，定时器到回退完成才清除（修复 PROPFIND 响应后提前 clearTimeout 导致停滞的 HEAD 回退永久挂起）； - 桌面端 IPC 无法跨进程传 signal，改为每次请求传剩余预算作 timeoutMs， 剩余不足 1s 时不再发起新的 IPC 请求，避免最坏 2×10s 总耗时； - 新增用例：浏览器直连回退停滞被中止、桌面端剩余预算不足跳过回退。
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Review comments at @examples/plugins/repo-insights/ui/index.js:
- Around line 1525-1528: Update the isStatsTooLarge check to recognize 422 only
when error.code identifies a plugin HTTP error and the message begins with the
GitHub API 422 status prefix. Preserve the existing commit-related and metricId
conditions, while preventing unrelated message text containing “422” from
triggering this classification.
Review comments at @src/services/logger.ts:
- Line 48: Ensure error names are redacted inline and length-limited before they
are written to logs. At src/services/logger.ts lines 48-48, update sanitizeError
so its generated name receives this processing; at src/services/fetchCapture.ts
lines 365-365, apply the same processing to the errorNameOf result before
writing the network log.
- Line 48: Update the `isErrorValue` conversion path to handle `DOMException`
explicitly, preserving its `name` as a separate field and including its stack
when available, even when it does not extend `Error`; add an assertion covering
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…22 判定收紧） - logSanitizer.sanitizeError：错误 name 与 message/stack 同样行内脱敏并 限长（120 字符）——自定义错误名是自由文本，可能夹带凭据；显式处理 DOMException（部分运行时不继承 Error，原先只会降级为纯 message 文本， 丢失独立 name/stack 字段）；导出 redactInline 供网络日志复用。 - fetchCapture：errorName 写入日志前同样脱敏限长（分类用的原始值不受影响）。 - repo-insights 插件：422 归类收紧为「code === PLUGIN_NETWORK_HTTP_ERROR 且消息以 GitHub API returned 422 开头」，避免其他错误文案中偶然出现 "422" 字样被误判为统计不可用。 - 新增用例：DOMException 序列化保留 name/message、自定义错误名脱敏限长、 fetchCapture errorName 脱敏。
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CI 上 storage 节流用例出现「冷却到期写入尚未提交就读到旧值」的失败， 且早前多次 Quality gates 卡在 Run tests 直至 15 分钟超时被取消：fake timers 与 fake-indexeddb 的真实 macrotask 推进在慢速 CI 上交错不稳定， 固定 10 轮 setImmediate 的 settle 探测不足以等待写入提交。 - storage.ts 新增仅测试用的 __setPersistTimingsForTest：防抖/空闲回调 上限/冷却间隔改为可注入的 let 变量，默认值即生产行为； - 节流用例改为真实计时器（防抖 5ms、冷却 300ms），正断言改为有界轮询 settleUntil（最多 500 轮 macrotask），彻底消除两套时钟互踩； - webdav 两个 fake-timer 用例不再 fake setImmediate，并用有界 advanceTimersByTimeAsync 替代 runAllTimersAsync。
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Review comments at @src/store/persistence/storage.test.ts:
- Around line 687-691: Update the polling loop in the test helper to use an
elapsed-time deadline instead of a fixed iteration count. Briefly wait between
checks and continue polling until the deadline so the core write test allows
time for debounced storage commits to complete.
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CodeRabbit 第四轮意见：固定迭代数上限在极慢环境下可能先于 5ms 防抖耗尽， 改为墙钟截止（默认 5s）+ 检查间 5ms 真实等待。
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已在 commit f0d24a9 中修复本条（CodeRabbit 未自动打标，补充说明）：
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Inline comments:
Review comments at @src/services/logger.ts:
- Line 48: Update the Error handling branch in sanitizeForLog so sanitizeError
also preserves and sanitizes the error’s enumerable own properties, including
diagnostic fields such as code. Reuse the existing field-name redaction and
circular-reference handling for those properties, while retaining the standard
Error fields.
Review comments at @src/store/persistence/storage.test.ts:
- Around line 680-684: Update the test timing around the settle helper so the
debounce dispatch is known to have occurred before the negative disk-write
assertions; use a controllable clock or an equivalent deterministic wait, then
check the disk during the cooldown period.
Review comments at @src/store/persistence/storage.ts:
- Around line 514-515: Update the dirty-shard check in the write dispatch flow
that uses `findDirtyShards` and `lastWrittenShards`: when a shard write is
already in progress, do not return based only on the stale baseline. Recheck for
dirty shards after the prior `setStorageEntries` call completes, or enqueue the
latest values so the write chain checks them before committing.
- Line 398: 将 serializedBytes.set 中的 serialized.length 改为序列化文本的 UTF-8
字节数，确保包含多字节字符的分片按实际字节大小参与 idle 写入节流和 5 MiB 阈值判断。
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- logger：Error 序列化保留自有可枚举诊断字段（如 Object.assign 挂上的 code），附加字段同样走脱敏与循环引用守卫，标准字段同名时优先； 此前改走 sanitizeError 会丢失这些字段。 - storage：分片序列化体积按 UTF-8 字节判定大分片阈值——码元数已达阈值 直接判定，低于阈值才用 TextEncoder 精确计数（避免 140MB 级整串转码）， 两处大分片日志的 bytes 字段同步修正。 - storage：派发口判脏为空不再直接早退——写入链中可能有未提交的在途 写入，lastWrittenShards 仍是旧基准，此时把状态改回旧值的更新会被在途 提交覆盖丢失；照常入队，由写入链在提交时以最新基准重新判脏。 - 测试：负向断言改为等防抖派发确实发生（realWait 60ms）后再检查磁盘； 新增用例经 commitGate 挂停提交入口确定性复现在途竞态（已验证对旧实现 失败、对新实现通过）。
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Review comments at @src/services/fetchCapture.ts:
- Line 363: Update the sanitizedErrorName flow to apply sanitizeForLog to the
complete errorName before redactInline and the 120-character limit, preventing
long alphanumeric tokens from being logged. Add a test using a rejected value
whose name is a long alphanumeric token and verify the logged name is sanitized.
Review comments at @src/services/webdavService.ts:
- Around line 355-357: Update the PROPFIND response handling so HTTP 207 is
treated as successful only when the target href’s resource status succeeds; do
not treat an individual property’s 404 as resource absence. At
src/services/webdavService.ts lines 355-357, use the target path’s probe result
before returning connection success. At src/services/webdavService.ts line 609,
return true only when the target file’s resource status confirms it exists; add
regression coverage for a failed target-resource status.
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- fetchCapture：errorName 写日志前先做整值脱敏（sanitizeForLog，长令牌 形态的 name 只有整值规则能识别）再行内脱敏限长；补整值令牌用例。 - webdav：207 Multi-Status 外层成功不代表目标资源成功——testConnection 与 fileExists 解析多状态体、检查目标 href 的资源级状态；属性级 propstat 404 不影响判定，找不到目标条目或解析失败按外层 207 放行， 避免误伤可用连接。注意 207 ∈ [200,299] 时 Response.ok 也为 true， 必须先判 207；补资源级 404 与属性级 404 用例。
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Review comments at @electron/netTap.js:
- Around line 56-59: Update classifyNetFailure to accept the original error and
classify AbortError and DOMException TimeoutError as info using the same type
checks as the renderer. Pass the caught error from wrapFetch alongside the
summary, preserving the existing summary-based Chromium error-code
classification for other failures.
Review comments at @src/services/webdavService.ts:
- Around line 410-419: Update the href comparison in the responses.find callback
to use exact path matching only. Handle an empty path as a match only when
normalizedTarget is the root path, and remove both suffix-based comparisons.
Review comments at @src/store/persistence/storage.ts:
- Line 542: Update the cooldown handling in the persistence flow around
cooldownRemainingMs so a cooling-down large shard does not delay other dirty
shards: commit eligible shards such as core immediately and defer only the large
shard. After cooldown expires, re-evaluate dirty shards from the latest state
before committing.
- Around line 533-540: Recheck the large-shard cooldown immediately before a
queued write starts, using the latest committed write time so a write queued
during an in-flight setStorageEntries call cannot run too soon afterward.
Preserve the existing flush behavior that bypasses throttling, and locate the
scheduling logic near the dirty-shard cooldown calculation.
After applying the fix, consider running `coderabbit review --agent` for local
review. Visit https://docs.coderabbit.ai/cli?utm_source=ghpr
ℹ️ Review info
⚙️ Run configuration
- Configuration used: Organization UI
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22a7fc7d-caf6-4856-934d-a3a5a610adc7
📒 Files selected for processing (16)
electron/main.jselectron/netTap.jselectron/netTap.test.jselectron/redact.jsexamples/plugins/repo-insights/manifest.jsonexamples/plugins/repo-insights/ui/index.jssrc/services/fetchCapture.test.tssrc/services/fetchCapture.tssrc/services/globalErrorHandlers.tssrc/services/logger.test.tssrc/services/logger.tssrc/services/webdavService.test.tssrc/services/webdavService.tssrc/store/persistence/storage.test.tssrc/store/persistence/storage.tssrc/utils/logSanitizer.ts
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- netTap：按异常名识别中止（AbortError / DOMException TimeoutError）， summarizeFetchError 不保留异常名，裸 DOMException 中止此前会被记为 error；与渲染端 fetchCapture 分级策略对齐，补 2 用例。 - webdav：207 多状态体的目标 href 改为精确匹配——宽松 endsWith 会让 /old/backup 误配 /backup 或空路径选中任意条目，先出现的失败条目会 读错资源级状态；空路径仅匹配根；补无关条目失败用例。 - storage：大分片冷却改为按分片分区——冷却只推迟冷却中的大分片本身， core 等其他脏分片立即入队（整批推迟会在异常退出时丢小分片变更）； 写入执行时按最新提交时间复查冷却（派发与执行之间可能有在途写入提交， 否则两次大分片写入间隔不足冷却期）。新增混合脏分片与在途复查 2 用例 （已验证对旧实现可判别）。
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背景
基于最近 24 小时客户端诊断日志（app 0.8.5）定位出的 8 类问题，本 PR 一次性修复，并对"日志无法定位问题"的诊断盲区做了系统性完善。
问题与修复
1. 渲染进程反复崩溃：
Uncaught TypeError: Cannot read properties of null (reading 'ownerDocument')根因（已在 jsdom 中复现验证）：repo-insights 插件
drawChart()排下的requestAnimationFrame(() => chart.resize())与同画布的下一次重绘存在竞态——Chart.jsdestroy()会将chart.canvas置 null，过期 RAF 随后执行chart.resize()，内部_getComputedStyle(canvas)读取null.ownerDocument抛错。窗口最小化/遮挡时 RAF 冻结积压，恢复后同帧触发，与日志中"同一毫秒连报 3 条"吻合。修复：每画布仅保留最新 RAF（重绘前
cancelAnimationFrame）；回调内校验实例仍为当前实例且chart.canvas存在；画布缺失时不再new Chart(null)创建坏实例。插件版本 0.1.0 → 0.1.1。2. 诊断日志盲区完善（举一反三）
logger.warn(module, msg, error)传 Error 时 data 落成{}（message/stack 不可枚举）sanitizeError序列化，全仓所有裸 Error 调用点自动获得 name/message/stack（含脱敏）console-message捕获stackTrace（逐行redactInline脱敏、20 行 × 500 字符截断）sanitizeError（全栈 + 内联脱敏 + 截断）signal is aborted without reason）AbortError/net::ERR_ABORTED→ info，瞬时网络状况（ERR_NETWORK_CHANGED/ERR_INTERNET_DISCONNECTED/ERR_CONNECTION_RESET）→ warn，其余 error，并附errorNameFailed to fetch releases for …无上下文、GraphQL batch enrichment failed无详情3. stats 422 反复报错
GitHub 对超大仓库（如 RSSHub）的
/stats/*端点永远返回 422。插件此前对code_frequency的 422 落入通用"加载失败"文案，现与commit_activity一致归入"统计不可用"文案。4. WebDAV 坚果云 HEAD 403 误报
坚果云不支持对集合的 HEAD（WebDAV 规范非必备方法），每次测试连接都产生 403 告警。
testConnection()改为 PROPFIND（RFC 4918 标准方法，Depth: 0，接受 200/207）首发、HEAD 降级；fileExists()遇 HEAD 403 降级 PROPFIND 确认，不再误判"文件不存在"。5. 140MB releases 分片空闲期反复全量序列化
日志显示 releases 分片（140MB）在 47 秒内被 idle 持久化触发 3 次完整 stringify（单次 130-540ms 主线程开销）。新增按分片的 idle 写入节流：上次序列化体积 > 5MB 的分片两次 idle 写入间隔不小于 60s；冷却期内请求合并且不丢最新值，flush（pagehide/visibilitychange）等关键路径绕过节流，版本号权威守卫不变。
测试
npm run test:run（vitest 全量 1712 用例 + electron node --test + ci-gates）✅npm run lint/npm run typecheck/npm run build（含 bundle 预算）✅Summary by CodeRabbit
错误处理与日志
Bug 修复