SL filter

plots.py

@@ -92,6 +92,11 @@ class QualtricsPlotsMixin:
             
             parts.append(f"{short_code}-{val_str}")
             
+        # Append straight-liner threshold if set
+        sl_threshold = getattr(self, 'sl_threshold', None)
+        if sl_threshold is not None:
+            parts.append(f"SL-gte{sl_threshold}")
+
         if not parts:
             return "All_Respondents"
             
@@ -182,6 +187,11 @@ class QualtricsPlotsMixin:
         sample_size = self._get_filtered_sample_size()
         sample_prefix = f"Sample size: {sample_size}" if sample_size is not None else ""
         
+        # Append straight-liner threshold if set
+        sl_threshold = getattr(self, 'sl_threshold', None)
+        if sl_threshold is not None:
+            parts.append(f"STRAIGHT-LINER EXCL: ≥{sl_threshold} question groups")
+
         if not parts:
             # No filters active - return just sample size (or empty string if no sample size)
             return sample_prefix