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-cc.json

@@ -2,20 +2,20 @@
   "cookies": [
     {
       "name": "refresh_token",
-      "value": "G_lq6dT7MCHBDgoW18PimjumaPeyWi7hRSwj2WKA_JI",
+      "value": "QRDDJrwVfrRB_5Z--i4k48Q4-0kktQnZJelqd9JABBQ",
       "domain": "localhost",
       "path": "/api/auth",
-      "expires": 1791672153.30646,
+      "expires": 1791758861.201632,
       "httpOnly": true,
       "secure": true,
       "sameSite": "Strict"
     },
     {
       "name": "access_token",
-      "value": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJlbWFpbCI6ImUyZS1jY0B0ZXN0LmNvbSIsInVzZXJfaWQiOiJkMWU3MzM3OC04N2I4LTQ2ZjQtYmE2ZC1hMDdhYjE0YjFkOWUiLCJ0b2tlbl92ZXJzaW9uIjowLCJleHAiOjE3ODM5MDY5NTN9.9GiSopufAFJ7qa9Cu0AhYpUDfempiYayhLaYIA_IoSc",
+      "value": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJlbWFpbCI6ImUyZS1jY0B0ZXN0LmNvbSIsInVzZXJfaWQiOiIyNjU1MGUxZS00NTBiLTRmMzMtOGI3MC02NjA1MGU2MzZkNzgiLCJ0b2tlbl92ZXJzaW9uIjowLCJleHAiOjE3ODM5OTM2NjF9.pZegL2iwonftDyVlaADPhHeTPrx7VKkoi8TtDY3Byuk",
       "domain": "localhost",
       "path": "/",
-      "expires": 1783906953.306413,
+      "expires": 1783993661.201585,
       "httpOnly": true,
       "secure": true,
       "sameSite": "Lax"
@@ -27,11 +27,11 @@
       "localStorage": [
         {
           "name": "authSyncEvent",
-          "value": "{\"type\":\"logout\",\"at\":1783896153166}"
+          "value": "{\"type\":\"logout\",\"at\":1783982861064}"
         },
         {
           "name": "parentAuth",
-          "value": "{\"expiresAt\":1784068953466}"
+          "value": "{\"expiresAt\":1784155661355}"
         }
       ]
     }