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/napi-postinstall/package.json

@@ -0,0 +1,32 @@
+{
+  "name": "napi-postinstall",
+  "version": "0.3.0",
+  "type": "commonjs",
+  "description": "The `postinstall` script helper for handling native bindings in legacy `npm` versions",
+  "repository": "git+https://github.com/un-ts/napi-postinstall.git",
+  "author": "JounQin <admin@1stg.me> (https://www.1stG.me)",
+  "funding": "https://opencollective.com/napi-postinstall",
+  "license": "MIT",
+  "engines": {
+    "node": "^12.20.0 || ^14.18.0 || >=16.0.0"
+  },
+  "bin": "./lib/cli.js",
+  "main": "./lib/index.js",
+  "types": "./lib/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./lib/index.d.ts",
+      "default": "./lib/index.js"
+    },
+    "./fallback": {
+      "types": "./lib/fallback.d.ts",
+      "default": "./lib/fallback.js"
+    },
+    "./package.json": "./package.json"
+  },
+  "files": [
+    "lib",
+    "!**/*.tsbuildinfo"
+  ],
+  "packageManager": "npm@11.4.2+sha512.f90c1ec8b207b625d6edb6693aef23dacb39c38e4217fe8c46a973f119cab392ac0de23fe3f07e583188dae9fd9108b3845ad6f525b598742bd060ebad60bff3"
+}