Add job status endpoint, persist lastJobId; replace in-process queue with BullMQ-based queue and worker; link job status in UI

app/routes/api/jobs/$jobId.ts

@@ -0,0 +1,17 @@
+import { Queue } from "bullmq";
+
+export async function loader({ params }: { params: { jobId: string } }) {
+  const jobId = params.jobId;
+  if (!jobId) return Response.json({ error: "jobId required" }, { status: 400 });
+
+  try {
+    const q = new Queue("analyze", { connection: process.env.REDIS_URL ? { connection: process.env.REDIS_URL } : undefined });
+    const job = await q.getJob(jobId);
+    if (!job) return Response.json({ error: "Job not found" }, { status: 404 });
+    const state = await job.getState();
+    return Response.json({ id: job.id, state, failedReason: job.failedReason || null, returnValue: job.returnvalue || null });
+  } catch (err) {
+    console.error("/api/jobs loader error:", err);
+    return Response.json({ error: "internal" }, { status: 500 });
+  }
+}