Refactor code structure and remove redundant changes

src-old/lib/supabaseHelpers.ts

@@ -0,0 +1,55 @@
+/**
+ * Type-safe Supabase query helpers
+ * 
+ * Provides type-safe table query builders to eliminate `as any` assertions.
+ */
+
+import { supabase } from '@/lib/supabaseClient';
+import type { Database } from '@/integrations/supabase/types';
+
+// Define valid table names from the database schema
+export type TableName = keyof Database['public']['Tables'];
+
+/**
+ * Create a type-safe query builder for a specific table
+ * 
+ * @example
+ * ```typescript
+ * const query = createTableQuery('parks').select('*').eq('slug', 'disneyland');
+ * const query2 = createTableQuery('rides').select('id, name').eq('status', 'operating');
+ * ```
+ */
+export function createTableQuery<T extends TableName>(tableName: T) {
+  return supabase.from(tableName);
+}
+
+/**
+ * Dynamically query a table by name with type safety
+ * 
+ * Use this when the table name is determined at runtime (e.g., version tables).
+ * 
+ * @example
+ * ```typescript
+ * const versions = await queryTable('park_versions', (q) => 
+ *   q.select('*').eq('park_id', parkId)
+ * );
+ * ```
+ */
+export async function queryTable<T extends TableName>(
+  tableName: T,
+  queryBuilder: (query: ReturnType<typeof createTableQuery<T>>) => any
+) {
+  const query = createTableQuery(tableName);
+  return queryBuilder(query);
+}
+
+/**
+ * Type-safe interface for processed uploaded images
+ */
+export interface ProcessedImage {
+  url: string;
+  cloudflare_id: string;
+  order: number;
+  title?: string;
+  caption?: string;
+}