fix(graphql-codegen): generate barrel file for ORM-only mode

graphql/codegen/src/core/codegen/barrel.ts

@@ -192,6 +192,45 @@ export function generateMainBarrel(
   return generateCode(statements);
 }
 
+// ============================================================================
+// Root barrel for unified output
+// ============================================================================
+
+export interface RootBarrelOptions {
+  hasTypes?: boolean;
+  hasHooks?: boolean;
+  hasOrm?: boolean;
+}
+
+/**
+ * Generate the root index.ts barrel file for the output directory.
+ * Re-exports from subdirectories based on which generators are enabled.
+ */
+export function generateRootBarrel(options: RootBarrelOptions = {}): string {
+  const { hasTypes = false, hasHooks = false, hasOrm = false } = options;
+  const statements: t.Statement[] = [];
+
+  if (hasTypes) {
+    statements.push(exportAllFrom('./types'));
+  }
+  if (hasHooks) {
+    statements.push(exportAllFrom('./hooks'));
+  }
+  if (hasOrm) {
+    statements.push(exportAllFrom('./orm'));
+  }
+
+  // Add file header as leading comment on first statement
+  if (statements.length > 0) {
+    addJSDocComment(statements[0], [
+      'Generated SDK - auto-generated, do not edit',
+      '@generated by @constructive-io/graphql-codegen',
+    ]);
+  }
+
+  return generateCode(statements);
+}
+
 // ============================================================================
 // Custom operation barrels (includes both table and custom hooks)
 // ============================================================================

graphql/codegen/src/core/generate.ts

@@ -9,6 +9,7 @@ import path from 'path';
 import { createSchemaSource, validateSourceOptions } from './introspect';
 import { runCodegenPipeline, validateTablesFound } from './pipeline';
 import { generate as generateReactQueryFiles } from './codegen';
+import { generateRootBarrel } from './codegen/barrel';
 import { generateOrm as generateOrmFiles } from './codegen/orm';
 import { generateSharedTypes } from './codegen/shared';
 import { writeGeneratedFiles } from './output';
@@ -194,16 +195,14 @@ export async function generate(options: GenerateOptions = {}): Promise<GenerateR
     }
   }
 
-  // Generate unified barrel when both are enabled
-  if (bothEnabled && !options.dryRun) {
-    const barrelContent = `/**
- * Generated SDK - auto-generated, do not edit
- * @generated by @constructive-io/graphql-codegen
- */
-export * from './types';
-export * from './hooks';
-export * from './orm';
-`;
+  // Generate barrel file at output root
+  // This re-exports from the appropriate subdirectories based on which generators are enabled
+  if (!options.dryRun) {
+    const barrelContent = generateRootBarrel({
+      hasTypes: bothEnabled,
+      hasHooks: runReactQuery,
+      hasOrm: runOrm,
+    });
     await writeGeneratedFiles([{ path: 'index.ts', content: barrelContent }], outputRoot, []);
   }