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-delete.json

@@ -2,20 +2,20 @@
   "cookies": [
     {
       "name": "refresh_token",
-      "value": "fgz_j-G_5UJ-xLf2dJBqcrtiWJkC3amMr8Y90dx_Kdo",
+      "value": "QCQAmUFxc_xNvuLjIGYO4HL49nrDnWW2K54jTZT3ZBw",
       "domain": "localhost",
       "path": "/api/auth",
-      "expires": 1791672153.435032,
+      "expires": 1791758861.100584,
       "httpOnly": true,
       "secure": true,
       "sameSite": "Strict"
     },
     {
       "name": "access_token",
-      "value": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJlbWFpbCI6ImUyZS1kZWxldGVAdGVzdC5jb20iLCJ1c2VyX2lkIjoiYjExZTViNzItNGJlOC00YmY1LTk0ODYtMjE2Nzc5ZGU4Y2ViIiwidG9rZW5fdmVyc2lvbiI6MCwiZXhwIjoxNzgzOTA2OTUzfQ.rTfjAYCaaRGAtRrP3eOegQNkIq_o7kTIgvGW9Sn3bO0",
+      "value": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJlbWFpbCI6ImUyZS1kZWxldGVAdGVzdC5jb20iLCJ1c2VyX2lkIjoiZjkyN2FjMzItZDE3ZC00MjhhLWI5YTgtYTQ5NjM5YjE4YTgzIiwidG9rZW5fdmVyc2lvbiI6MCwiZXhwIjoxNzgzOTkzNjYxfQ.GE6KZ4PXLwLsF8HYZckYwvBruIBMNqVxY-Yg94_QBcU",
       "domain": "localhost",
       "path": "/",
-      "expires": 1783906953.43499,
+      "expires": 1783993661.100535,
       "httpOnly": true,
       "secure": true,
       "sameSite": "Lax"
@@ -27,11 +27,11 @@
       "localStorage": [
         {
           "name": "authSyncEvent",
-          "value": "{\"type\":\"logout\",\"at\":1783896153271}"
+          "value": "{\"type\":\"logout\",\"at\":1783982860894}"
         },
         {
           "name": "parentAuth",
-          "value": "{\"expiresAt\":1784068953610}"
+          "value": "{\"expiresAt\":1784155661256}"
         }
       ]
     }