Fix: Remove versioning helpers

src/integrations/supabase/types.ts

@@ -705,6 +705,54 @@ export type Database = {
           },
         ]
       }
+      entity_versions_archive: {
+        Row: {
+          change_reason: string | null
+          change_type: Database["public"]["Enums"]["version_change_type"]
+          changed_at: string
+          changed_by: string | null
+          entity_id: string
+          entity_type: string
+          id: string
+          ip_address_hash: string | null
+          is_current: boolean
+          metadata: Json | null
+          submission_id: string | null
+          version_data: Json
+          version_number: number
+        }
+        Insert: {
+          change_reason?: string | null
+          change_type?: Database["public"]["Enums"]["version_change_type"]
+          changed_at?: string
+          changed_by?: string | null
+          entity_id: string
+          entity_type: string
+          id?: string
+          ip_address_hash?: string | null
+          is_current?: boolean
+          metadata?: Json | null
+          submission_id?: string | null
+          version_data: Json
+          version_number: number
+        }
+        Update: {
+          change_reason?: string | null
+          change_type?: Database["public"]["Enums"]["version_change_type"]
+          changed_at?: string
+          changed_by?: string | null
+          entity_id?: string
+          entity_type?: string
+          id?: string
+          ip_address_hash?: string | null
+          is_current?: boolean
+          metadata?: Json | null
+          submission_id?: string | null
+          version_data?: Json
+          version_number?: number
+        }
+        Relationships: []
+      }
       historical_parks: {
         Row: {
           closure_reason: string | null

supabase/migrations/20251015181349_54c2065b-f677-4df1-b4ec-946d7bbc4e03.sql

@@ -0,0 +1,27 @@
+-- Archive old JSONB versions table before dropping
+-- This preserves historical data while allowing us to move forward
+
+CREATE TABLE IF NOT EXISTS public.entity_versions_archive (
+  LIKE public.entity_versions INCLUDING ALL
+);
+
+-- Copy all old versions to archive
+INSERT INTO public.entity_versions_archive
+SELECT * FROM public.entity_versions
+ON CONFLICT DO NOTHING;
+
+-- Verify counts match
+DO $$
+DECLARE
+  original_count INTEGER;
+  archive_count INTEGER;
+BEGIN
+  SELECT COUNT(*) INTO original_count FROM public.entity_versions;
+  SELECT COUNT(*) INTO archive_count FROM public.entity_versions_archive;
+  
+  IF original_count != archive_count THEN
+    RAISE EXCEPTION 'Archive verification failed: original=%, archive=%', original_count, archive_count;
+  END IF;
+  
+  RAISE NOTICE 'Successfully archived % versions to entity_versions_archive', archive_count;
+END $$;