Enhance Jest configuration and testing infrastructure

- Updated Jest configuration to support ESM and improve test coverage
- Added comprehensive test files for helpers, index, context, and HASS integration
- Configured coverage reporting and added new test scripts
- Updated Jest resolver to handle module resolution for chalk and related packages
- Introduced new test setup files for mocking and environment configuration

tsconfig.json

@@ -4,7 +4,7 @@
     "module": "NodeNext",
     "moduleResolution": "NodeNext",
     "outDir": "./dist",
-    "rootDir": "./src",
+    "rootDir": ".",
     "strict": true,
     "esModuleInterop": true,
     "skipLibCheck": true,
@@ -22,17 +22,23 @@
     ],
     "lib": [
       "ES2022"
-    ]
+    ],
+    "baseUrl": ".",
+    "paths": {
+      "@src/*": [
+        "src/*"
+      ],
+      "@tests/*": [
+        "__tests__/*"
+      ]
+    }
   },
   "include": [
-    "src/**/*"
+    "src/**/*",
+    "__tests__/**/*"
   ],
   "exclude": [
     "node_modules",
-    "dist",
-    "**/*.test.ts",
-    "**/*.spec.ts",
-    "jest.config.js",
-    "jest.setup.js"
+    "dist"
   ]
 }