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/identity-obj-proxy/.travis.yml

@@ -0,0 +1,22 @@
+language: node_js
+
+node_js:
+  - 6.2.0
+  - 5.3.0
+  - 4.0
+
+compiler: clang-3.6
+
+env:
+  - CXX=clang-3.6
+
+addons:
+  apt:
+    sources:
+      - llvm-toolchain-precise-3.6
+      - ubuntu-toolchain-r-test
+    packages:
+      - clang-3.6
+      - g++-4.8
+
+after_success: npm run coveralls