fix(background-jobs): poll job list continuously so newly started jobs appear immediately in the floating widget

packages/frontend/src/components/BackgroundJobProgress.tsx

@@ -92,25 +92,31 @@ export const BackgroundJobProgress: React.FC<BackgroundJobProgressProps> = ({
     }
   };
 
-  // Start polling for all active jobs
+  // Start polling for jobs and update progress
   const startPolling = () => {
     if (intervalRef.current) {
       clearInterval(intervalRef.current);
     }
 
-    intervalRef.current = setInterval(() => {
-      // Update all active jobs
-      const activeJobs = jobs.filter(job => job.status === 'running');
-      const activeJobIds = activeJobs.map(job => job.jobId);
-      activeJobIds.forEach(jobId => {
-        updateJobProgress(jobId);
-      });
-      
-      // Also update specific jobId if provided
-      if (jobId) {
-        updateJobProgress(jobId);
+    intervalRef.current = setInterval(async () => {
+      try {
+        // Always reload job list to detect newly started jobs
+        const jobsData = await api.getAllJobs();
+        setJobs(jobsData);
+
+        // Update progress for active jobs
+        const activeJobIds = jobsData.filter((j: JobProgress) => j.status === 'running').map((j: JobProgress) => j.jobId);
+        for (const id of activeJobIds) {
+          await updateJobProgress(id);
+        }
+
+        if (jobId) {
+          await updateJobProgress(jobId);
+        }
+      } catch (err) {
+        // ignore transient polling errors
       }
-    }, 2000); // Poll every 2 seconds for less frequent updates
+    }, 2000);
   };
 
   // Stop polling
@@ -121,23 +127,13 @@ export const BackgroundJobProgress: React.FC<BackgroundJobProgressProps> = ({
     }
   };
 
-  // Load jobs on mount
+  // Start polling on mount and stop on unmount
   useEffect(() => {
     loadJobs();
+    startPolling();
+    return () => stopPolling();
   }, []);
 
-  // Start polling for active jobs
-  useEffect(() => {
-    const activeJobs = jobs.filter(job => job.status === 'running');
-    if (activeJobs.length > 0 || jobId) {
-      startPolling();
-    }
-
-    return () => {
-      stopPolling();
-    };
-  }, [jobs, jobId]);
-
   // Cleanup on unmount
   useEffect(() => {
     return () => {