fix(worker): 防止事务泄漏并恢复滞留队列
为 PostgreSQL 连接增加可配置的事务空闲与锁等待超时,并在请求取消或 Worker 退出后使用独立有界上下文回滚事务。\n\n恢复过期任务时按批次使用 SKIP LOCKED,周期重建缺失或终态 River Job;锁等待超时只在确认尚未提交上游时安全重排,避免重复执行和重复结算。\n\n验证:完整 Go 测试、go vet、生产 Kustomize 渲染、gofmt 与 git diff --check 均通过。
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@@ -174,7 +174,7 @@ func (s *Store) CleanupTaskHistory(ctx context.Context, analysisCutoff time.Time
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batchSize = 1000
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}
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var result TaskHistoryCleanupResult
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err := pgx.BeginFunc(ctx, s.pool, func(tx pgx.Tx) error {
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err := s.beginTransaction(ctx, func(tx pgx.Tx) error {
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if _, err := tx.Exec(ctx, `SET LOCAL lock_timeout = '5s'; SET LOCAL statement_timeout = '5s'`); err != nil {
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return err
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}
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