Fix the various imports and the breakage introduced by the changes in the script directory.

• All imports are now done relative from the root.
• All imports are done at the start of the module, so we get errors immediately.
• Fixed various breakage.
• Only module/libraries are imported.
• Moved pretty logging into its own file.
• Added a context managed to log entry/exit of a particular task.
• Uncommented some logging statements.
• Ran the ruff formatter on all files.
• Removed superfluous log initialisation statements.