refactor: standardize article header layout in UI and increase worker pool capacity

internal/worker/pool.go

@@ -77,10 +77,22 @@ func (p *Pool) Stop() {
 }
 
 func (p *Pool) Dispatch(ctx context.Context, action models.RuleAction, entry models.FeedEntry, depth int) {
+	task := Task{Action: action, Entry: entry, Depth: depth}
 	select {
-	case p.queue <- Task{Action: action, Entry: entry, Depth: depth}:
+	case <-ctx.Done():
+		return
+	case p.queue <- task:
+		return
 	default:
-		p.log.Warn("Worker pool queue full, task dropped",
+	}
+
+	// If queue is full, wait up to 5 seconds for a slot before warning
+	select {
+	case <-ctx.Done():
+		return
+	case p.queue <- task:
+	case <-time.After(5 * time.Second):
+		p.log.Warn("Worker pool queue full, task dropped after timeout",
 			zap.String("action", action.Type),
 			zap.String("entry_id", entry.ID),
 		)