Refactor registration flow, update config, replace Turnstile patch

- Major refactor of grok_register_ttk.py: improved flow, error handling, logging
- Update config.example.json and config.json with new fields
- Replace turnstilePatch/content.js with new script.js approach
- Update start.sh for better Chromium/Turnstile handling
- Remove deprecated turnstilePatch/content.js

config.json

@@ -10,7 +10,7 @@
     "proxy": "",
     "enable_nsfw": true,
     "register_count": 1,
-    "user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36",
+    "user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36",
     "grok2api_auto_add_local": false,
     "grok2api_local_token_file": "",
     "grok2api_pool_name": "ssoBasic",
@@ -46,9 +46,9 @@
     "mail_poll_interval": 1,
     "mail_retry_count": 3,
     "code_form_timeout": 180,
-    "profile_timeout": 50,
+    "profile_timeout": 180,
     "turnstile_retry_limit": 3,
-    "turnstile_stuck_timeout": 150,
+    "turnstile_stuck_timeout": 180,
     "sso_timeout_base": 60,
     "sso_timeout_max": 480,
     "sso_progress_extension": 120,
@@ -98,8 +98,11 @@
     "gmail_imap_fallback": true,
     "gmail_imap_fallback_timeout_sec": 45,
     "gmail_imap_fallback_resend_sec": 10,
-    "turnstile_fast_fail_count": 4,
-    "turnstile_retry_after_sec": 12,
+    "turnstile_fast_fail_count": 3,
+    "turnstile_retry_after_sec": 10,
     "turnstile_retry_gap_sec": 8,
-    "turnstile_max_rounds": 8
+    "turnstile_max_rounds": 20,
+    "browser_prefer": "chrome",
+    "browser_path": "/usr/bin/google-chrome-stable",
+    "browser_headless": false
 }