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/harmony-reflect/package.json

@@ -0,0 +1,21 @@
+{
+  "name": "harmony-reflect",
+  "version": "1.6.2",
+  "description": "ES5 shim for ES6 (ECMAScript 6) Reflect and Proxy objects",
+  "main": "reflect.js",
+  "keywords": [
+    "reflection",
+    "proxies",
+    "proxy",
+    "reflect",
+    "harmony",
+    "es6"
+  ],
+  "license": "(Apache-2.0 OR MPL-1.1)",
+  "homepage": "https://github.com/tvcutsem/harmony-reflect",
+  "typings": "index.d.ts",
+  "repository" : {
+    "type" : "git",
+    "url" : "https://tvcutsem@github.com/tvcutsem/harmony-reflect.git"
+  } 
+}