tests ready

frontend/package.json

@@ -6,17 +6,23 @@
   "scripts": {
     "dev": "vite",
     "build": "vite build",
-    "preview": "vite preview"
+    "preview": "vite preview",
+    "test": "vitest run",
+    "test:watch": "vitest"
   },
   "devDependencies": {
     "@sveltejs/adapter-static": "^3.0.10",
     "@sveltejs/kit": "^2.49.2",
     "@sveltejs/vite-plugin-svelte": "^6.2.1",
+    "@testing-library/jest-dom": "^6.9.1",
+    "@testing-library/svelte": "^5.3.1",
     "autoprefixer": "^10.4.0",
+    "jsdom": "^28.1.0",
     "postcss": "^8.4.0",
     "svelte": "^5.43.8",
     "tailwindcss": "^3.0.0",
-    "vite": "^7.2.4"
+    "vite": "^7.2.4",
+    "vitest": "^4.0.18"
   },
   "dependencies": {
     "date-fns": "^4.1.0"

frontend/src/components/tasks/TaskLogPanel.svelte

@@ -18,9 +18,8 @@
 
   /**
    * @PURPOSE Component properties and state.
-   * @PRE taskId is a valid string, logs is an array of LogEntry objects.
+   * @PRE logs is an array of LogEntry objects.
    */
-  export let taskId = "";
   export let logs = [];
   export let autoScroll = true;
 

frontend/vitest.config.js

@@ -0,0 +1,45 @@
+import { defineConfig } from 'vitest/config';
+import { svelte } from '@sveltejs/vite-plugin-svelte';
+import path from 'path';
+
+export default defineConfig({
+  plugins: [
+    svelte({
+      test: true
+    })
+  ],
+  test: {
+    globals: true,
+    environment: 'jsdom',
+    include: [
+      'src/**/*.{test,spec}.{js,ts}',
+      'src/lib/**/*.test.{js,ts}',
+      'src/lib/**/__tests__/*.test.{js,ts}',
+      'src/lib/**/__tests__/test_*.{js,ts}'
+    ],
+    exclude: [
+      'node_modules/**',
+      'dist/**'
+    ],
+    coverage: {
+      provider: 'v8',
+      reporter: ['text', 'json', 'html'],
+      include: [
+        'src/lib/stores/**/*.js',
+        'src/lib/components/**/*.svelte'
+      ]
+    },
+    setupFiles: ['./src/lib/stores/__tests__/setupTests.js'],
+    alias: [
+      { find: '$app/environment', replacement: path.resolve(__dirname, './src/lib/stores/__tests__/mocks/environment.js') },
+      { find: '$app/stores', replacement: path.resolve(__dirname, './src/lib/stores/__tests__/mocks/stores.js') },
+      { find: '$app/navigation', replacement: path.resolve(__dirname, './src/lib/stores/__tests__/mocks/navigation.js') }
+    ]
+  },
+  resolve: {
+    alias: {
+      '$lib': path.resolve(__dirname, './src/lib'),
+      '$app': path.resolve(__dirname, './src')
+    }
+  }
+});