docs(logging): Update documentation for session-based logging and management

log_pruner.py

@@ -4,6 +4,11 @@ from datetime import datetime, timedelta
 from log_registry import LogRegistry
 
 class LogPruner:
+    """
+    Handles the automated deletion of old and insignificant session logs.
+    Ensures that only whitelisted or significant sessions (based on size/content) 
+    are preserved long-term.
+    """
     def __init__(self, log_registry: LogRegistry, logs_dir: str):
         """
         Initializes the LogPruner.