Enhance admin stats dashboard

Add data quality metrics, growth trends visualization, entity comparison views, and automated health checks to the AdminDatabaseStats dashboard, including new TS types, hooks, UI components, and integrated tabbed layout.

src/integrations/supabase/types.ts

@@ -6673,6 +6673,7 @@ export type Database = {
         Returns: boolean
       }
       cancel_user_email_change: { Args: { _user_id: string }; Returns: boolean }
+      check_database_health: { Args: never; Returns: Json }
       check_rate_limit: {
         Args: {
           p_action: string
@@ -6831,6 +6832,19 @@ export type Database = {
       get_current_user_id: { Args: never; Returns: string }
       get_database_statistics: { Args: never; Returns: Json }
       get_email_change_status: { Args: never; Returns: Json }
+      get_entity_comparisons: { Args: never; Returns: Json }
+      get_entity_growth_trends: {
+        Args: { days_back?: number; granularity?: string }
+        Returns: {
+          companies_added: number
+          parks_added: number
+          period: string
+          photos_added: number
+          ride_models_added: number
+          rides_added: number
+          total_added: number
+        }[]
+      }
       get_filtered_profile: {
         Args: { _profile_user_id: string; _viewer_id?: string }
         Returns: Json