REF: cleaner code.

[RBhupi]

PR tags (required)

Select all that apply.

• docs-only
• tests-only
• tiny-change (<5 lines, single class/file)
• code-change
• scientific/algorithmic
• design/architecture
• GUI

What changed

• import-linter config
• ruff toml changed for CI
• code quality changes for codefactor
• exceptions are now not passing siletly
• cleaner code working tested with GUI

Why

Cleaning for better module management.

Issues

Address #20

Target version (required)

next release

Validation

Mark each item as done or N/A. Add one short evidence line for each item.

• I ran ruff
  All PASS

• I ran import-linter
  Contracts: 7 kept, 0 broken.

• I ran tests
  all pass

AI usage & manual verification

If AI tools were used, complete this section.

• AI used: yes
• Model/tooling: Claude Code with ANL API key
• Tasks delegated to AI: cleaning exception pass instances, Refactor
• Manual verification performed: yes file by file and with testing A2Z with live radar.

Reviewer guide

Review is done.