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/lz-string/package.json

@@ -0,0 +1,42 @@
+{
+  "name": "lz-string",
+  "version": "1.5.0",
+  "license": "MIT",
+  "filename": "lz-string.js",
+  "description": "LZ-based compression algorithm",
+  "homepage": "http://pieroxy.net/blog/pages/lz-string/index.html",
+  "keywords": [
+    "lz",
+    "compression",
+    "string"
+  ],
+  "main": "libs/lz-string.js",
+  "typings": "typings/lz-string.d.ts",
+  "bin": {
+    "lz-string": "bin/bin.js"
+  },
+  "scripts": {},
+  "dependencies": {},
+  "devDependencies": {},
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/pieroxy/lz-string.git"
+  },
+  "bugs": {
+    "url": "https://github.com/pieroxy/lz-string/issues"
+  },
+  "directories": {
+    "test": "tests"
+  },
+  "author": "pieroxy <pieroxy@pieroxy.net>",
+  "autoupdate": {
+    "source": "git",
+    "target": "git://github.com/pieroxy/lz-string.git",
+    "basePath": "libs/",
+    "files": [
+      "lz-string.js",
+      "lz-string.min.js",
+      "base64-string.js"
+    ]
+  }
+}