fix(queue): 重新调度终态 River 任务

等待异步准入的任务只跳过仍处于活跃状态的 River Job；missing 或 terminal Job 交由准入调度器重新创建，避免非空 river_job_id 永久阻断旧任务。\n\n通用 River 恢复排除等待准入任务，消除双恢复循环与误导日志；事务回滚继续使用独立有界上下文。\n\n验证：真实 PostgreSQL 下异步 Worker 准入验收和跨 Store 队列集成测试均通过。

apps/api/internal/store/admission_queue.go

@@ -684,11 +684,19 @@ func (s *Store) ListWaitingAsyncAdmissionTaskIDs(ctx context.Context, limit int)
 		limit = 100
 	}
 	rows, err := s.pool.Query(ctx, `
-SELECT task_id::text
-FROM gateway_task_admissions
-WHERE status = 'waiting'
-  AND mode = 'async'
-ORDER BY priority ASC, enqueued_at ASC, task_id ASC
+SELECT admission.task_id::text
+FROM gateway_task_admissions admission
+JOIN gateway_tasks task ON task.id = admission.task_id
+LEFT JOIN river_job job ON job.id = task.river_job_id
+WHERE admission.status = 'waiting'
+  AND admission.mode = 'async'
+  AND task.status = 'queued'
+  AND (
+    task.river_job_id IS NULL
+    OR job.id IS NULL
+    OR job.state NOT IN ('available', 'pending', 'retryable', 'running', 'scheduled')
+  )
+ORDER BY admission.priority ASC, admission.enqueued_at ASC, admission.task_id ASC
 LIMIT $1`, limit)
 	if err != nil {
 		return nil, err