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/https-proxy-agent/dist/parse-proxy-response.d.ts

@@ -0,0 +1,15 @@
+/// <reference types="node" />
+/// <reference types="node" />
+/// <reference types="node" />
+import { IncomingHttpHeaders } from 'http';
+import { Readable } from 'stream';
+export interface ConnectResponse {
+    statusCode: number;
+    statusText: string;
+    headers: IncomingHttpHeaders;
+}
+export declare function parseProxyResponse(socket: Readable): Promise<{
+    connect: ConnectResponse;
+    buffered: Buffer;
+}>;
+//# sourceMappingURL=parse-proxy-response.d.ts.map