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/pkg-dir/readme.md

@@ -0,0 +1,66 @@
+# pkg-dir [![Build Status](https://travis-ci.org/sindresorhus/pkg-dir.svg?branch=master)](https://travis-ci.org/sindresorhus/pkg-dir)
+
+> Find the root directory of a Node.js project or npm package
+
+
+## Install
+
+```
+$ npm install pkg-dir
+```
+
+
+## Usage
+
+```
+/
+└── Users
+    └── sindresorhus
+        └── foo
+            ├── package.json
+            └── bar
+                ├── baz
+                └── example.js
+```
+
+```js
+// example.js
+const pkgDir = require('pkg-dir');
+
+(async () => {
+	const rootDir = await pkgDir(__dirname);
+
+	console.log(rootDir);
+	//=> '/Users/sindresorhus/foo'
+})();
+```
+
+
+## API
+
+### pkgDir([cwd])
+
+Returns a `Promise` for either the project root path or `undefined` if it couldn't be found.
+
+### pkgDir.sync([cwd])
+
+Returns the project root path or `undefined` if it couldn't be found.
+
+#### cwd
+
+Type: `string`<br>
+Default: `process.cwd()`
+
+Directory to start from.
+
+
+## Related
+
+- [pkg-dir-cli](https://github.com/sindresorhus/pkg-dir-cli) - CLI for this module
+- [pkg-up](https://github.com/sindresorhus/pkg-up) - Find the closest package.json file
+- [find-up](https://github.com/sindresorhus/find-up) - Find a file by walking up parent directories
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)