fix: move * CUSTOM * back to bottom of vertical dropdown

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

demo_personas.py

@@ -62,7 +62,6 @@ def _merge_story_controls(*controls: dict) -> dict:
 # ============================================================================
 
 VERTICAL_LINES = {
-    "* CUSTOM *": [],
     "Retail & Consumer Goods": [
         "Fashion/Apparel", "Consumer Electronics", "Department Stores",
         "Grocery", "Specialty Retail",
@@ -116,6 +115,7 @@ VERTICAL_LINES = {
     "Agriculture": [
         "Forestry", "Fishing", "Hunting", "Cultivation", "Raw Materials",
     ],
+    "* CUSTOM *": [],
 }
 
 DEMO_FUNCTIONS = ["Sales", "Marketing", "Finance", "HR", "IT", "Legal"]