FIX: uppercase table_name and table_schema in Nimbus rename calls

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

src/modules/platform-api/platform-api.controller.ts

@@ -1086,26 +1086,31 @@ export class PlatformApiController {
           { name: oldTableName, table_name: oldTableName, table_schema: oldTableSchema, display_name: oldTableName },
         ));
 
+        const newTableNameUpper = newValues.table_name.toUpperCase();
+        const newTableSchemaUpper = newValues.table_schema.toUpperCase();
+        const oldTableNameUpper = oldTableName.toUpperCase();
+        const oldTableSchemaUpper = oldTableSchema.toUpperCase();
+
         // Nimbus table-metadata
         if (nimbusId) {
-          await this.catalogService.renameTableOnNimbus(nimbusUrl, nimbusId, newValues);
-          rollbackSteps.push(() => this.catalogService.renameTableOnNimbus(nimbusUrl, nimbusId, oldValues));
+          await this.catalogService.renameTableOnNimbus(nimbusUrl, nimbusId, { table_name: newTableNameUpper, table_schema: newTableSchemaUpper });
+          rollbackSteps.push(() => this.catalogService.renameTableOnNimbus(nimbusUrl, nimbusId, { table_name: oldTableNameUpper, table_schema: oldTableSchemaUpper }));
         }
 
         // Nimbus column-metadata
         await this.catalogService.renameColumnMetadataOnNimbus(
-          nimbusUrl, databaseName, oldTableName, oldTableSchema, newValues.table_name, newValues.table_schema,
+          nimbusUrl, databaseName, oldTableNameUpper, oldTableSchemaUpper, newTableNameUpper, newTableSchemaUpper,
         );
         rollbackSteps.push(() => this.catalogService.renameColumnMetadataOnNimbus(
-          nimbusUrl, databaseName, newValues.table_name, newValues.table_schema, oldTableName, oldTableSchema,
+          nimbusUrl, databaseName, newTableNameUpper, newTableSchemaUpper, oldTableNameUpper, oldTableSchemaUpper,
         ));
 
         // Nimbus data-preview
         await this.catalogService.renameDataPreviewOnNimbus(
-          nimbusUrl, databaseName, oldTableName, oldTableSchema, newValues.table_name, newValues.table_schema,
+          nimbusUrl, databaseName, oldTableNameUpper, oldTableSchemaUpper, newTableNameUpper, newTableSchemaUpper,
         );
         rollbackSteps.push(() => this.catalogService.renameDataPreviewOnNimbus(
-          nimbusUrl, databaseName, newValues.table_name, newValues.table_schema, oldTableName, oldTableSchema,
+          nimbusUrl, databaseName, newTableNameUpper, newTableSchemaUpper, oldTableNameUpper, oldTableSchemaUpper,
         ));
 
         this.logger.info(`Synced catalog rename for ${key}`, { jobId, oldTableName, newTableName: newValues.table_name });