feat(playwright-cli): add comprehensive test generation, tracing, and video recording documentation

- Introduced detailed documentation for test generation workflow in Playwright CLI, covering planning, generating, and healing tests.
- Added tracing capabilities documentation, including usage, output files, and best practices for debugging and performance analysis.
- Included video recording instructions, emphasizing best practices for capturing browser automation sessions with chapter markers and overlays.
- Implemented user tutorial authentication setup and tutorial tests for parent mode in the E2E testing framework.
- Created JSON files for user tutorial state management, ensuring isolated test environments.

frontend/e2e/.auth/user-tutorial.json

@@ -0,0 +1,39 @@
+{
+  "cookies": [
+    {
+      "name": "refresh_token",
+      "value": "xQQnxda8ujhjlZDBQ2Rl4Xxlh4X2_Kt1e80YSWniAXA",
+      "domain": "localhost",
+      "path": "/api/auth",
+      "expires": 1791760814.863417,
+      "httpOnly": true,
+      "secure": true,
+      "sameSite": "Strict"
+    },
+    {
+      "name": "access_token",
+      "value": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJlbWFpbCI6ImUyZS10dXRvcmlhbEB0ZXN0LmNvbSIsInVzZXJfaWQiOiIzNWI3ZGVjMS01ODNmLTQ5M2YtYTQ5ZS1mNWM0NzM3YTQ5NzgiLCJ0b2tlbl92ZXJzaW9uIjowLCJleHAiOjE3ODM5OTU2MTR9.KWJqO7mVswb5IoHsJOOdZSm8iCmYoNVXwixDsQ8lbmI",
+      "domain": "localhost",
+      "path": "/",
+      "expires": 1783995614.863369,
+      "httpOnly": true,
+      "secure": true,
+      "sameSite": "Lax"
+    }
+  ],
+  "origins": [
+    {
+      "origin": "https://localhost:5173",
+      "localStorage": [
+        {
+          "name": "authSyncEvent",
+          "value": "{\"type\":\"logout\",\"at\":1783984814749}"
+        },
+        {
+          "name": "parentAuth",
+          "value": "{\"expiresAt\":1784157614996}"
+        }
+      ]
+    }
+  ]
+}