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/@istanbuljs/schema/CHANGELOG.md

@@ -0,0 +1,44 @@
+# Changelog
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+### [0.1.3](https://github.com/istanbuljs/schema/compare/v0.1.2...v0.1.3) (2021-02-13)
+
+
+### Features
+
+* Add `classPrivateMethods` and `topLevelAwait` default support ([#17](https://github.com/istanbuljs/schema/issues/17)) ([e732889](https://github.com/istanbuljs/schema/commit/e7328894ddeb61da256c1f13c2c2cc2e04f181df)), closes [#16](https://github.com/istanbuljs/schema/issues/16)
+* Add `numericSeparator` to default `parserPlugins` ([#12](https://github.com/istanbuljs/schema/issues/12)) ([fe32f00](https://github.com/istanbuljs/schema/commit/fe32f002f54c61467b1c1a487081f51c85ec8d10)), closes [#5](https://github.com/istanbuljs/schema/issues/5)
+* Add babel.config.mjs to default exclude ([#10](https://github.com/istanbuljs/schema/issues/10)) ([a4dbeaa](https://github.com/istanbuljs/schema/commit/a4dbeaa7045490a4d46754801ac71f5d99c9bd79))
+
+
+### Bug Fixes
+
+* Exclude tests with `tsx` or `jsx` extensions ([#13](https://github.com/istanbuljs/schema/issues/13)) ([c7747f7](https://github.com/istanbuljs/schema/commit/c7747f7a7df8a2b770036834af77dfd0ee445733)), closes [#11](https://github.com/istanbuljs/schema/issues/11)
+
+### [0.1.2](https://github.com/istanbuljs/schema/compare/v0.1.1...v0.1.2) (2019-12-05)
+
+
+### Features
+
+* Ignore *.d.ts ([#6](https://github.com/istanbuljs/schema/issues/6)) ([d867eaf](https://github.com/istanbuljs/schema/commit/d867eaff6ca4abcd4301990e2bdcdf53e438e9c4))
+* Update default exclude of dev tool configurations ([#7](https://github.com/istanbuljs/schema/issues/7)) ([c89f818](https://github.com/istanbuljs/schema/commit/c89f8185f30879bcdf8d2f1c3b7aba0ac7056fa9))
+
+## [0.1.1](https://github.com/istanbuljs/schema/compare/v0.1.0...v0.1.1) (2019-10-07)
+
+
+### Bug Fixes
+
+* Add missing `instrument` option ([#3](https://github.com/istanbuljs/schema/issues/3)) ([bf1217d](https://github.com/istanbuljs/schema/commit/bf1217d))
+
+
+### Features
+
+* Add `use-spawn-wrap` nyc option ([#4](https://github.com/istanbuljs/schema/issues/4)) ([b2ce2e8](https://github.com/istanbuljs/schema/commit/b2ce2e8))
+
+## 0.1.0 (2019-10-05)
+
+
+### Features
+
+* Initial implementation ([99bd3a5](https://github.com/istanbuljs/schema/commit/99bd3a5))