Set up comprehensive frontend testing infrastructure

- Install Jest for unit testing with React Testing Library
- Install Playwright for end-to-end testing
- Configure Jest with proper TypeScript support and module mapping
- Create test setup files and utilities for both unit and e2e tests

Components:
* Jest configuration with coverage thresholds
* Playwright configuration with browser automation
* Unit tests for LoginForm, AuthContext, and useSocketIO hook
* E2E tests for authentication, dashboard, and agents workflows
* GitHub Actions workflow for automated testing
* Mock data and API utilities for consistent testing
* Test documentation with best practices

Testing features:
- Unit tests with 70% coverage threshold
- E2E tests with API mocking and user journey testing
- CI/CD integration for automated test runs
- Cross-browser testing support with Playwright
- Authentication system testing end-to-end

🚀 Generated with [Claude Code](https://claude.ai/code)

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

frontend/node_modules/tr46/package.json

@@ -0,0 +1,44 @@
+{
+  "name": "tr46",
+  "version": "5.1.1",
+  "engines": {
+    "node": ">=18"
+  },
+  "description": "An implementation of the Unicode UTS #46: Unicode IDNA Compatibility Processing",
+  "main": "index.js",
+  "files": [
+    "index.js",
+    "lib/"
+  ],
+  "scripts": {
+    "test": "node --test",
+    "lint": "eslint",
+    "pretest": "node scripts/getLatestTests.js",
+    "prepublish": "node scripts/generateMappingTable.js && node scripts/generateRegexes.js"
+  },
+  "repository": "https://github.com/jsdom/tr46",
+  "keywords": [
+    "unicode",
+    "tr46",
+    "uts46",
+    "punycode",
+    "url",
+    "whatwg"
+  ],
+  "author": "Sebastian Mayr <npm@smayr.name>",
+  "contributors": [
+    "Timothy Gu <timothygu99@gmail.com>"
+  ],
+  "license": "MIT",
+  "dependencies": {
+    "punycode": "^2.3.1"
+  },
+  "devDependencies": {
+    "@domenic/eslint-config": "^4.0.1",
+    "@unicode/unicode-16.0.0": "^1.6.5",
+    "eslint": "^9.22.0",
+    "globals": "^16.0.0",
+    "regenerate": "^1.4.2"
+  },
+  "unicodeVersion": "16.0.0"
+}