add iaai auto-login with session persistence

iaai_scraper/core/config.py

@@ -174,11 +174,18 @@ class SessionConfig:
     storage_state_path: str | None = _env_optional_str("IAAI_STORAGE_STATE_PATH")
     max_age_days: int = _env_int("IAAI_SESSION_MAX_AGE_DAYS", 30)
     save_on_exit: bool = _env_bool("IAAI_SESSION_SAVE_ON_EXIT", True)
+    login_email: str | None = _env_optional_str("IAAI_LOGIN_EMAIL")
+    login_password: str | None = _env_optional_str("IAAI_LOGIN_PASSWORD")
+    login_url: str = _env_str("IAAI_LOGIN_URL", "https://www.iaai.com/Login")
 
     @property
     def enabled(self) -> bool:
         return bool(self.storage_state_path)
 
+    @property
+    def has_credentials(self) -> bool:
+        return bool(self.login_email and self.login_password)
+
 
 # --- Главный объект настроек: собирает все блоки конфигурации ---