Massive v2 rewrite

jest.config.cjs

@@ -0,0 +1,45 @@
+/** @type {import('jest').Config} */
+module.exports = {
+  preset: 'ts-jest/presets/default-esm',
+  extensionsToTreatAsEsm: ['.ts'],
+  testEnvironment: 'node',
+  transform: {
+    '^.+\\.tsx?$': ['ts-jest', {
+      useESM: true,
+    }],
+    '^.+\\.jsx?$': ['ts-jest', {
+      useESM: true,
+    }],
+  },
+  testMatch: [
+    '**/.tests/**/*.test.js'
+  ],
+  collectCoverage: true,
+  collectCoverageFrom: [
+    'dist/**/*.js',                    // Include all JS files in dist directory
+    '!dist/**/*.test.js',              // Exclude test files
+    '!dist/**/*.spec.js',              // Exclude spec files
+    '!dist/**/node_modules/**'         // Exclude node_modules
+  ],
+  coverageDirectory: 'coverage',
+  coverageReporters: ['text', 'lcov', 'html'],
+  
+  // Practical 75% global coverage threshold
+  coverageThreshold: {
+    global: {
+      statements: 75,
+      branches: 75,
+      functions: 75,
+      lines: 75
+    }
+  },
+  
+  setupFilesAfterEnv: ['./.tests/setup.js'],
+  globalTeardown: './.tests/teardown.js',
+  testTimeout: 10000,
+  verbose: true,
+  
+  // Additional configuration to handle async operations
+  forceExit: true,
+  detectOpenHandles: false
+};