working well, good docs. TUI.

analyzer/analysis/statistics.py

@@ -237,4 +237,23 @@ class StatisticsEngine:
             'tracked_flows': total_flows,
             'total_outliers': total_outliers,
             'update_frequency': 'per_packet'
-        }
+        }
+    
+    def get_max_sigma_deviation(self, flow: FlowStats) -> float:
+        """Get the maximum sigma deviation for any outlier in this flow"""
+        max_sigma = 0.0
+        
+        # Check flow-level outliers
+        if flow.outlier_details and flow.std_inter_arrival > 0:
+            for frame_num, inter_arrival_time in flow.outlier_details:
+                sigma_deviation = (inter_arrival_time - flow.avg_inter_arrival) / flow.std_inter_arrival
+                max_sigma = max(max_sigma, sigma_deviation)
+        
+        # Check frame-type-level outliers
+        for frame_type, ft_stats in flow.frame_types.items():
+            if ft_stats.outlier_details and ft_stats.std_inter_arrival > 0:
+                for frame_num, inter_arrival_time in ft_stats.outlier_details:
+                    sigma_deviation = (inter_arrival_time - ft_stats.avg_inter_arrival) / ft_stats.std_inter_arrival
+                    max_sigma = max(max_sigma, sigma_deviation)
+        
+        return max_sigma