Improve latency of the job list endpoint

ui/src/app/api/jobs/route.ts

@@ -9,6 +9,7 @@ export async function GET(request: Request) {
   const id = searchParams.get('id');
   const job_ref = searchParams.get('job_ref');
   const job_type = searchParams.get('job_type');
+  const only_active = searchParams.get('only_active');
 
   try {
     if (id) {
@@ -25,8 +26,16 @@ export async function GET(request: Request) {
       return NextResponse.json(job);
     }
 
+    const where: any = {};
+    if (job_type) {
+      where.job_type = job_type;
+    }
+    if (only_active === 'true') {
+      where.status = { in: ['running', 'queued', 'stopping'] };
+    }
+
     const jobs = await prisma.job.findMany({
-      where: job_type ? { job_type } : undefined,
+      where,
       orderBy: { created_at: 'desc' },
     });
     return NextResponse.json({ jobs: jobs });