Refactor authentication and session management

- Removed old llm_login and session scripts, replacing them with a new structure for handling SSO login and session management.
- Introduced a new prompt system for collecting SSO redirect URLs, ensuring compliance with security protocols.
- Implemented a robust backend notification system for tracking scan initiation.
- Enhanced browser profile configuration and resource management for improved session handling.
- Added utility functions for environment variable checks and logging.
- Updated the overall architecture to improve maintainability and readability.

lib/llm/prompt/__init__.py

@@ -0,0 +1,12 @@
+from dotenv import load_dotenv
+import os
+
+from lib.llm.prompt import llm_login, session
+
+load_dotenv(override=True)
+
+def extend_planner_system_message():
+  if os.getenv("PROVIDOR_CREDENTIALS_IN_LLM", "False").lower() == "true":
+    return llm_login.extend_planner_system_message
+  else:
+    return session.extend_planner_system_message