fix(pgsql-test): add moduleNameMapper for Jest to resolve workspace dependencies

- Add moduleNameMapper configuration in packages/pgsql-test/jest.config.js
- Maps @launchql/* packages to packages/*/dist directories for Jest resolution
- Fixes Jest module resolution issues with pnpm's isolated structure
- Required for tests that import @launchql/core and other workspace packages

Author: sdqede

packages/pgsql-test/jest.config.js

@@ -14,5 +14,9 @@ module.exports = {
   transformIgnorePatterns: [`/node_modules/*`],
   testRegex: '(/__tests__/.*|(\\.|/)(test|spec))\\.(jsx?|tsx?)$',
   moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
-  modulePathIgnorePatterns: ['dist/*']
+  modulePathIgnorePatterns: ['dist/*'],
+  moduleNameMapper: {
+    '^@launchql/logger$': '<rootDir>/../../packages/logger/dist',
+    '^@launchql/(.*)$': '<rootDir>/../../packages/$1/dist',
+  },
 };