feat: include member names in generated tuple type definitions

- Update schemaToTypeString to include names for named tuple elements
- Generates [current: number, max: number] instead of [number, number]
- Uses TypeScript 4.0+ tuple parameter labels syntax

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

src/csv-loader/loader.ts

@@ -40,12 +40,18 @@ function schemaToTypeString(schema: Schema): string {
       return 'boolean';
     case 'array':
       if (schema.element.type === 'tuple') {
-        const tupleElements = schema.element.elements.map((el) => schemaToTypeString(el.schema));
+        const tupleElements = schema.element.elements.map((el) => {
+          const typeStr = schemaToTypeString(el.schema);
+          return el.name ? `${el.name}: ${typeStr}` : typeStr;
+        });
         return `[${tupleElements.join(', ')}]`;
       }
       return `${schemaToTypeString(schema.element)}[]`;
     case 'tuple':
-      const tupleElements = schema.elements.map((el) => schemaToTypeString(el.schema));
+      const tupleElements = schema.elements.map((el) => {
+        const typeStr = schemaToTypeString(el.schema);
+        return el.name ? `${el.name}: ${typeStr}` : typeStr;
+      });
       return `[${tupleElements.join(', ')}]`;
     default:
       return 'unknown';