chore(test): normalize test setup — upgrade Vitest to 3.x

- Upgrade vitest, @vitest/coverage-v8, and @vitest/ui from ^1.6.1 to ^3.2.4
- Align vitest.config.ts to standard template (keep root __tests__ pattern, setupFiles, mockReset)
- All 11 tests pass

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: vveerrgg

package.json

@@ -62,13 +62,13 @@
         "@types/ws": "^8.18.1",
         "@typescript-eslint/eslint-plugin": "^6.2.0",
         "@typescript-eslint/parser": "^6.2.0",
-        "@vitest/coverage-v8": "^1.6.1",
-        "@vitest/ui": "^1.6.1",
+        "@vitest/coverage-v8": "^3.2.4",
+        "@vitest/ui": "^3.2.4",
         "eslint": "^8.45.0",
         "node-red": "^4.1.5",
         "node-red-node-test-helper": "^0.3.6",
         "typescript": "^5.9.3",
-        "vitest": "^1.6.1"
+        "vitest": "^3.2.4"
     },
     "engines": {
         "node": ">=14.0.0"

vitest.config.ts

@@ -1,17 +1,22 @@
 import { defineConfig } from 'vitest/config';
 
 export default defineConfig({
-    test: {
-        globals: true,
-        environment: 'node',
-        testTimeout: 10000,
-        setupFiles: ['./__tests__/setup.ts'],
-        coverage: {
-            provider: 'v8',
-            reporter: ['text', 'json', 'html'],
-            exclude: ['**/__mocks__/**']
-        },
-        include: ['**/__tests__/**/*.{test,spec}.{js,ts}'],
-        mockReset: true
+  test: {
+    globals: true,
+    environment: 'node',
+    include: ['**/__tests__/**/*.{test,spec}.{js,ts}'],
+    testTimeout: 10000,
+    setupFiles: ['./__tests__/setup.ts'],
+    mockReset: true,
+    coverage: {
+      provider: 'v8',
+      reporter: ['text', 'json', 'html'],
+      exclude: [
+        '**/node_modules/**',
+        '**/dist/**',
+        '**/*.d.ts',
+        '**/__mocks__/**',
+      ],
     },
-})
+  },
+});