fix(codegen): export generateMulti and fix multi-target executor import paths

Author: pyramation

graphql/codegen/src/core/generate.ts

@@ -439,7 +439,7 @@ export async function generateMulti(
         cliTargets.push({
           name,
           endpoint: resolvedConfig.endpoint || '',
-          ormImportPath: `../../${resolvedConfig.output}/orm`,
+          ormImportPath: `../${resolvedConfig.output.replace(/^\.\//, '')}/orm`,
           tables: result.pipelineData.tables,
           customOperations: result.pipelineData.customOperations,
           isAuthTarget,

graphql/codegen/src/index.ts

@@ -22,8 +22,8 @@ export * from './client';
 export { defineConfig } from './types/config';
 
 // Main generate function (orchestrates the entire pipeline)
-export type { GenerateOptions, GenerateResult } from './core/generate';
-export { generate } from './core/generate';
+export type { GenerateOptions, GenerateResult, GenerateMultiOptions, GenerateMultiResult } from './core/generate';
+export { generate, generateMulti } from './core/generate';
 
 // Config utilities
 export { findConfigFile, loadConfigFile } from './core/config';