diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..9e0931c
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,5 @@
+{
+    "chat.tools.terminal.autoApprove": {
+        "/home/luigi/Documents/VoiceBranding/JPMC/Phase-3/.venv/bin/python": true
+    }
+}
\ No newline at end of file
diff --git a/03_quant_report.script.py b/03_quant_report.script.py
index 941e203..fd5e6cb 100644
--- a/03_quant_report.script.py
+++ b/03_quant_report.script.py
@@ -7,7 +7,7 @@ import polars as pl
 from pathlib import Path
 import argparse
 import json
-
+import re
 from validation import check_progress, duration_validation, check_straight_liners
 from utils import QualtricsSurvey, combine_exclusive_columns, calculate_weighted_ranking_scores
 import utils
@@ -149,7 +149,9 @@ if cli_args.filter_name and S.fig_save_dir:
             _filter_desc_lines.append(f"  {display_name}: All")
     
     # Write detailed description INSIDE the filter-slug directory
-    _filter_file = _filter_slug_dir / f"{cli_args.filter_name}.txt"
+    # Sanitize filter name for filename usage (replace / and other chars)
+    _safe_filter_name = re.sub(r'[^\w\s-]', '_', cli_args.filter_name)
+    _filter_file = _filter_slug_dir / f"{_safe_filter_name}.txt"
     _filter_file.write_text('\n'.join(_filter_desc_lines))
     
     # Append to summary index file at figures/<export_date>/filter_index.txt
diff --git a/run_filter_combinations.py b/run_filter_combinations.py
index 1b52179..7f82d80 100644
--- a/run_filter_combinations.py
+++ b/run_filter_combinations.py
@@ -157,9 +157,9 @@ def get_filter_combinations(survey: QualtricsSurvey, category: str = None) -> li
             ]}
         })
         combinations.append({
-            'name': 'AIUser-Infrequent',
+            'name': 'AIUser-RarelyNever',
             'filters': {'ai_user': [
-                'Once a month', 'Less than once a month', 'Once a week'
+                'Once a month', 'Less than once a month', 'Once a week', 'Rarely/Never'
             ]}
         })
     
diff --git a/utils.py b/utils.py
index 3a4d91d..f3d7548 100644
--- a/utils.py
+++ b/utils.py
@@ -879,40 +879,42 @@ class QualtricsSurvey(QualtricsPlotsMixin):
         """
         
         # Apply filters - skip if empty list (columns with all NULLs produce empty options)
+        # OR if all options are selected (to avoid dropping NULLs)
+        
         self.filter_age = age
-        if age is not None and len(age) > 0:
+        if age is not None and len(age) > 0 and set(age) != set(self.options_age):
             q = q.filter(pl.col('QID1').is_in(age))
         
         self.filter_gender = gender
-        if gender is not None and len(gender) > 0:
+        if gender is not None and len(gender) > 0 and set(gender) != set(self.options_gender):
             q = q.filter(pl.col('QID2').is_in(gender))
         
         self.filter_consumer = consumer
-        if consumer is not None and len(consumer) > 0:
+        if consumer is not None and len(consumer) > 0 and set(consumer) != set(self.options_consumer):
             q = q.filter(pl.col('Consumer').is_in(consumer))
         
         self.filter_ethnicity = ethnicity
-        if ethnicity is not None and len(ethnicity) > 0:
+        if ethnicity is not None and len(ethnicity) > 0 and set(ethnicity) != set(self.options_ethnicity):
             q = q.filter(pl.col('QID3').is_in(ethnicity))
         
         self.filter_income = income
-        if income is not None and len(income) > 0:
+        if income is not None and len(income) > 0 and set(income) != set(self.options_income):
             q = q.filter(pl.col('QID15').is_in(income))
         
         self.filter_business_owner = business_owner
-        if business_owner is not None and len(business_owner) > 0:
+        if business_owner is not None and len(business_owner) > 0 and set(business_owner) != set(self.options_business_owner):
             q = q.filter(pl.col('QID4').is_in(business_owner))
         
         self.filter_ai_user = ai_user
-        if ai_user is not None and len(ai_user) > 0:
+        if ai_user is not None and len(ai_user) > 0 and set(ai_user) != set(self.options_ai_user):
             q = q.filter(pl.col('QID22').is_in(ai_user))
         
         self.filter_investable_assets = investable_assets
-        if investable_assets is not None and len(investable_assets) > 0:
+        if investable_assets is not None and len(investable_assets) > 0 and set(investable_assets) != set(self.options_investable_assets):
             q = q.filter(pl.col('QID16').is_in(investable_assets))
         
         self.filter_industry = industry
-        if industry is not None and len(industry) > 0:
+        if industry is not None and len(industry) > 0 and set(industry) != set(self.options_industry):
             q = q.filter(pl.col('QID17').is_in(industry))
         
         self.data_filtered = q