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13f37dc9f0
PR #4064 introduced ~/.qwen/file-history/{sessionId}/ for /rewind but had no cross-session cleanup — directories accumulated indefinitely. This adds a generic background housekeeping framework with file-history cleanup as its first user. - 30-day mtime sweep, configurable via general.cleanupPeriodDays - 10-min startup delay (1-min catch-up if last run >7d ago) - 24h recurring cadence, idle-gated (defers if user typed in last 1 min) - O_EXCL lockfile + marker mtime throttle (multi-process safe) - Current session whitelisted via lazy config.getSessionId() — defends against long-idle active sessions and /clear minting a new session - Negative cleanupPeriodDays values clamp to 1h minimum (defends against schema-bypass: a future cutoff would otherwise sweep everything) - Zero new prod dependencies; ~70 lines of self-written O_EXCL throttle primitive in lieu of proper-lockfile (which pulls graceful-fs and monkey-patches every fs method on first require) - All setTimeout(...).unref() — never blocks process exit Closes #4173. 🤖 Generated with [Qwen Code](https://github.com/QwenLM/qwen-code) |
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