feat(runner): queue workflow runs with BullMQ (phase A)

Enqueue HTTP, cron, and manual runs via Redis/BullMQ; workers execute
asynchronously with configurable concurrency. Triggers return 202 and
clients poll GET /api/runs/:id for progress (queued → running → done).

Co-authored-by: Nasyarobby Putra <nasyarobby@gmail.com>

packages/web/src/api/hooks.js

@@ -271,8 +271,10 @@ export function useRun(id) {
     queryKey: ["runs", id],
     queryFn: async () => (await api.get(`/runs/${encodeURIComponent(id)}`)).data,
     enabled: Boolean(id),
-    refetchInterval: (query) =>
-      query.state.data?.status === "running" ? 2000 : false,
+    refetchInterval: (query) => {
+      const status = query.state.data?.status;
+      return status === "running" || status === "queued" ? 1500 : false;
+    },
   });
 }