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/@unrs/resolver-binding-linux-x64-gnu/README.md

@@ -0,0 +1,3 @@
+# `@unrs/resolver-binding-linux-x64-gnu`
+
+This is the **x86_64-unknown-linux-gnu** binary for `@unrs/resolver-binding`

frontend/node_modules/@unrs/resolver-binding-linux-x64-gnu/package.json

@@ -0,0 +1,26 @@
+{
+  "name": "@unrs/resolver-binding-linux-x64-gnu",
+  "version": "1.11.1",
+  "cpu": [
+    "x64"
+  ],
+  "main": "resolver.linux-x64-gnu.node",
+  "files": [
+    "resolver.linux-x64-gnu.node"
+  ],
+  "description": "UnRS Resolver Node API with PNP support",
+  "author": "JounQin <admin@1stg.me> (https://www.1stG.me)",
+  "homepage": "https://github.com/unrs/unrs-resolver#readme",
+  "license": "MIT",
+  "publishConfig": {
+    "registry": "https://registry.npmjs.org",
+    "access": "public"
+  },
+  "repository": "git+https://github.com/unrs/unrs-resolver.git",
+  "os": [
+    "linux"
+  ],
+  "libc": [
+    "glibc"
+  ]
+}