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/jest-pnp-resolver/package.json

@@ -0,0 +1,31 @@
+{
+    "name": "jest-pnp-resolver",
+    "version": "1.2.3",
+    "description": "plug'n'play resolver for Webpack",
+    "license": "MIT",
+    "engines": {
+        "node": ">=6"
+    },
+    "homepage": "https://github.com/arcanis/jest-pnp-resolver",
+    "bugs": {
+        "url": "https://github.com/arcanis/jest-pnp-resolver/issues"
+    },
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/arcanis/jest-pnp-resolver.git"
+    },
+    "keywords": [
+        "jest",
+        "yarn",
+        "plugnplay",
+        "pnp"
+    ],
+    "peerDependencies": {
+        "jest-resolve": "*"
+    },
+    "peerDependenciesMeta": {
+        "jest-resolve": {
+            "optional": true
+        }
+    }
+}