Add ban tester, signup prep, exit IP intel, and sticky-exit hold.

New GUI tabs probe popular sites for exit-IP bans and prep signup autofill through the chain; Live tab shows geo/ASN/datacenter flags, and sticky-exit keeps the same egress IP during signup flows.

Co-authored-by: Cursor <cursoragent@cursor.com>

proxy_chain_manager/browser_launcher.py

@@ -10,6 +10,7 @@ from pathlib import Path
 
 from .browser_profile import FirefoxHardening, ensure_firefox_profile, persona_env
 from .paths import app_data_dir
+from .signup_prep import SignupDraft, install_signup_extension
 
 log = logging.getLogger(__name__)
 
@@ -67,6 +68,8 @@ class BrowserSession:
         cfg: BrowserConfig,
         proxy_host: str,
         proxy_port: int,
+        start_url: str = "",
+        signup_draft: SignupDraft | None = None,
     ) -> tuple[bool, str]:
         raw_exe = (cfg.firefox_path or default_firefox_path()).strip().strip('"').strip("'")
         exe = Path(raw_exe)
@@ -88,12 +91,17 @@ class BrowserSession:
         )
         if cfg.lock_managed_profile:
             ensure_firefox_profile(profile_dir, proxy_host, int(proxy_port), hard)
+            if signup_draft is not None:
+                install_signup_extension(profile_dir, signup_draft)
         if self.is_running():
             self.stop()
         if cfg.lock_managed_profile:
             args = [str(exe), "-no-remote", "-profile", str(profile_dir)]
         else:
             args = [str(exe)]
+        url = (start_url or "").strip()
+        if url:
+            args.append(url)
         env = os.environ.copy()
         env.update(persona_env(hard))
         try: