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https://gitee.com/wanwujie/sub2api
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8bf2a7b88a
Backend: Fix three race conditions in SetSnapshot that caused account scheduling anomalies and broken sticky sessions: - Use Lua CAS script for atomic version activation, preventing version rollback when concurrent goroutines write snapshots simultaneously - Add UnlockBucket to release rebuild lock immediately after completion instead of waiting 30s TTL expiry - Replace immediate DEL of old snapshots with 60s EXPIRE grace period, preventing readers from hitting empty ZRANGE during version switches Frontend: Remove serial queue throttle (1-2s delay per request) from usage loading since backend now uses passive sampling. All usage requests execute immediately in parallel.