[dereknorrbom]

Summary

• Split shared CLI internals into config, tool client, workflow, pipeline, and CLI helper modules while preserving existing command names.
• Make Fast Bandages recipe-driven with IoStore package mode and replace duplicated per-mod build scripts with a shared builder.
• Add Poetry-managed test dependencies plus parser, command, and external tool argv smoke coverage.

Test plan

• python -m poetry run pytest
• powershell -ExecutionPolicy Bypass -File .\modding_tools\scripts\run_tests.ps1