clan_lib: Heavily simplified log_manager and test suite to concentrate on actually used features

pkgs/clan-cli/clan_lib/log_manager/api.py

@@ -8,10 +8,10 @@ LOG_MANAGER_INSTANCE: LogManager | None = None
 @API.register
 def list_log_days() -> list[str]:
     """List all available log days.
-    
+
     Returns:
         A list of date strings in YYYY-MM-DD format representing all available log days.
-        
+
     Raises:
         AssertionError: If LOG_MANAGER_INSTANCE is not initialized.
     """
@@ -22,14 +22,14 @@ def list_log_days() -> list[str]:
 @API.register
 def list_log_groups(selector: list[str], date_day: str | None = None) -> list[str]:
     """List all log groups at the specified hierarchical path.
-    
+
     Args:
         selector: List of path components to navigate to. Empty list returns top-level groups.
         date_day: Optional date to filter by (YYYY-MM-DD format). If None, uses most recent day.
-        
+
     Returns:
         A list of folder names (decoded) at the specified path level.
-        
+
     Raises:
         AssertionError: If LOG_MANAGER_INSTANCE is not initialized.
     """
@@ -42,15 +42,15 @@ def get_log_file(
     id_key: str, selector: list[str] | None = None, date_day: str | None = None
 ) -> str:
     """Get the contents of a specific log file by operation key.
-    
+
     Args:
         id_key: The operation key to search for.
         selector: Optional group path to search in. If None, searches all groups.
         date_day: Optional specific date to search in (YYYY-MM-DD format). If None, searches all days.
-        
+
     Returns:
         The contents of the log file as a string.
-        
+
     Raises:
         ClanError: If the log file is not found.
         AssertionError: If LOG_MANAGER_INSTANCE is not initialized.