Update project configuration and testing infrastructure

- Refactored Jest configuration for improved ESM and TypeScript support
- Updated `jest.setup.ts` with comprehensive test environment configuration
- Enhanced mocking for WebSocket, console, and external dependencies
- Adjusted package.json dependencies and scripts
- Updated tsconfig.json with decorator and test exclusion settings
- Improved test coverage configuration and reporting
- Simplified test file structure and mocking strategies

jest.config.js

@@ -1,43 +1,21 @@
-/** @type {import('ts-jest').JestConfigWithTsJest} */
+/** @type {import('jest').Config} */
 module.exports = {
     preset: 'ts-jest',
     testEnvironment: 'node',
     moduleNameMapper: {
-        '^@src/(.*)$': '<rootDir>/src/$1',
-        '^@tests/(.*)$': '<rootDir>/__tests__/$1',
-        '^(\\.{1,2}/.*)\\.js$': '$1'
+        '^(\\.{1,2}/.*)\\.js$': '$1',
     },
-    roots: [
-        '<rootDir>/src',
-        '<rootDir>/__tests__'
-    ],
     transform: {
         '^.+\\.tsx?$': ['ts-jest', {
-            useESM: true,
-            tsconfig: './tsconfig.json'
+            useESM: true
         }]
     },
-    extensionsToTreatAsEsm: ['.ts', '.tsx'],
-    testRegex: '(/__tests__/.*|(\\.|/)(test|spec))\\.tsx?$',
-    moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
-    resolver: '<rootDir>/jest-resolver.cjs',
+    extensionsToTreatAsEsm: ['.ts'],
+    setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
+    testMatch: ['**/__tests__/**/*.test.ts'],
+    collectCoverage: true,
+    coverageDirectory: 'coverage',
     transformIgnorePatterns: [
-        'node_modules/(?!(@digital-alchemy|litemcp|semver|zod)/)'
-    ],
-    modulePathIgnorePatterns: [
-        '<rootDir>/dist/'
-    ],
-    testEnvironmentOptions: {
-        experimentalVmModules: true
-    },
-    setupFilesAfterEnv: ['<rootDir>/jest.setup.js'],
-    globals: {
-        'ts-jest': {
-            useESM: true,
-            tsconfig: {
-                allowJs: true,
-                esModuleInterop: true
-            }
-        }
-    }
+        'node_modules/(?!(chalk|#ansi-styles|#supports-color)/)'
+    ]
 };