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Watch 仍按 debounce 重武装、无设置项 cooldown。上次 tick 墙钟超过 debounce 时，按 50% 占空比垫一层空闲，避免扫描本身比 debounce 更长时连轴。 Co-authored-by: C6H5Gp <C6H5Gp@users.noreply.github.com>
覆盖 debounce / lastDuration / 50% 占空比边界，以及快 tick 只走 debounce、慢 tick 强制空闲、中途重武装、失败 tick、manual 不受 leftover 拖住等调度路径。不改产品行为。 Co-authored-by: C6H5Gp <C6H5Gp@users.noreply.github.com>
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Included review availability: Your plan provides up to 10 included reviews per hour; 8 remain after this review. 📝 WalkthroughWalkthroughThe collector now applies a 50% duty-cycle delay after live watch ticks. It records completion for successful and failed ticks, re-arms events during active ticks, and preserves debounce behavior without a watch cooldown setting. Tests cover timing, failures, manual ticks, and shutdown. ChangesLive watch backpressure
Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Bug fix Sequence Diagram(s)sequenceDiagram
participant FileWatcher
participant Collector
participant CollectionProcess
FileWatcher->>Collector: Emit watch change
Collector->>Collector: Apply debounce and duty-cycle delay
Collector->>CollectionProcess: Start collection tick
CollectionProcess-->>Collector: Return success or failure
Collector->>Collector: Record completion timestamp
🚥 Pre-merge checks | ✅ 4✅ Passed checks (4 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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- 🪄 Fix CodeRabbit comments on this PR
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Inline comments:
In `@AGENTS.md`:
- Line 40: The AGENTS.md description incorrectly attributes live watch
scheduling to liveWatchDelayMs(). Update the live scheduler documentation to
describe remainingDutyIdleMs() deriving extra idle from the previous tick
duration and armWatchTick() applying it, then update the corresponding assertion
in liveTickBackpressure.test.js to match.
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AGENTS.mdsrc/shared/collector.jstests/shared/collectorLoadGuards.test.jstests/shared/liveTickBackpressure.test.js
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Windows 定时器粒度下三次 setTimeout(0) 扫描很容易超过 40ms。快 tick 改为相对 debounce 判断，不改产品行为。 Co-authored-by: C6H5Gp <C6H5Gp@users.noreply.github.com>
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Windows CI 挂在 |
AGENTS.md 和对应断言不再把未接入调度的 liveWatchDelayMs 写成实际入口。 Co-authored-by: C6H5Gp <C6H5Gp@users.noreply.github.com>
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跟进 CodeRabbit： |
对应追踪 Issue：加固与 Live/Hub 性能跟进（追踪）。Refs #749。本 PR 只做第二项 Live 采集背压，不含安全加固、Hub SSE 扇出、Hermes #741 或 tokscale #637 窗口改动。
What
Live / collector 的 watch 调度在单次 tick 墙钟超过
watchDebounceMs时，按上次耗时推导最小空闲（50% 占空比），避免扫描未结束或刚结束就再次连轴武装。Why
产品仍承诺便宜扫描时 3–5 秒级更新：没有设置项 cooldown，中途 watch 事件继续重武装 debounce，而不是合并成一次全量扫描。但当扫描本身已经长于 debounce 时，旧逻辑会在上一轮刚结束就再开一轮（扫 5s、等 1.5s、再扫），语料大时占空比接近 100%。这层空闲由上次 tick 墙钟推导，不是新旋钮；快扫描仍只走 debounce。
How
liveTickMinIdleMs/liveWatchDelayMs：max(debounce, lastDuration)（50% duty）scheduleTick从事件武装时取max(debounce, 剩余空闲)；debounce 走完后只补剩余 duty idle，不再叠一次 debounceAGENTS.md把「无 cooldown」改成「无设置项 cooldown + 慢扫描 duty cap」，避免文档过时未把
RAYON_NUM_THREADS或 changed-path 当主修复。How tested
仓库入口是
npm run verify（npm run lint && npm test，node:test）。本轮只补测试，不改产品行为。新增 / 加厚覆盖：
lastDuration非正/非有限、小于/等于/刚超过/远大于 debounce、50% 占空比与小数 ceil、不可用 debounce 与 32-bit timer clampliveWatchDelayMs：debounce 始终生效、leftover 只加长、leftover 短于 debounce 仍走满 debounce、非法sinceFinish不发明空闲tick('manual')不受 leftover 拖住；stop()取消已武装的 leftoverAGENTS.md与 collector 注释保持「无设置项 cooldown」命令：
npm run lint：通过node --test tests/shared/liveTickBackpressure.test.js tests/shared/collectorLoadGuards.test.js— 117 通过，0 失败npm run verify：4722 条，4720 通过，0 失败，2 跳过说明
此 PR 开到本 fork 的
main（C6H5Gp/token-monitor）。上游对应 Issue 是 #749。Summary by cubic
Adds backpressure to live watch ticks so a scan that outlasts
watchDebounceMsno longer re-arms back-to-back at nearly 100% occupancy. The next watch-triggered scan now waits a 50% duty-cycle idle derived from the last tick's wall time; fast scans still refresh on the debounce alone.watchDebounceMs, so a scan longer than the debounce was followed almost immediately by the next scan (scan 5s, wait 1.5s, repeat).max(debounce, lastTickDuration)), capping watch-scan occupancy at 50%.Notes
AGENTS.mdnow documents "no settings cooldown" plus the slow-scan duty cap, namingremainingDutyIdleMs()andarmWatchTick()as the scheduling entry points (liveWatchDelayMsstays a test-only helper).tick('manual')is not held back by leftover watch idle;stop()cancels an armed leftover.tests/shared/liveTickBackpressure.test.jsplus expandedcollectorLoadGuards.test.js;npm run lintandnpm run verifypass (4720 passed, 2 skipped).中文版本
為 live watch tick 加入背壓，令掃描時間超過
watchDebounceMs時，不會再以接近 100% 的佔空比緊接重啟下一輪掃描。下一次由 watch 觸發的掃描會等待一段按上次 tick 牆鐘時間推算的 50% 佔空比閒置；快掃描仍只按 debounce 刷新。watchDebounceMs便啟動，掃描長於 debounce 時幾乎會緊接連續執行（掃 5 秒、等 1.5 秒、再掃）。max(debounce, lastTickDuration)），將 watch 掃描佔空比上限設為 50%。備註
AGENTS.md現改為「無設置項 cooldown」，加上慢掃描佔空比上限，並以remainingDutyIdleMs()和armWatchTick()為實際排程入口（liveWatchDelayMs只是測試用的輔助函數）。tick('manual')不受 watch 剩餘閒置拖住；stop()會取消已武裝的剩餘閒置。tests/shared/liveTickBackpressure.test.js，並擴充collectorLoadGuards.test.js；npm run lint與npm run verify均通過（4720 項通過，2 項略過）。Written for commit ddad116. Summary will update on new commits.
Summary by CodeRabbit
Improvements
Behavior Changes