🧹 [code health improvement] Remove unused Set import from minimize_imports.py

[Wenbobobo]

🎯 What: Removed the unused Set import from typing in .archon-src/skills/lean4/lib/scripts/minimize_imports.py.
💡 Why: Improves maintainability by keeping imports clean and removing unnecessary dependencies from the namespace.
✅ Verification: Ran python -m py_compile and tested script execution to ensure it parses properly. Code was reviewed and rated correct.
✨ Result: A cleaner script that still functions normally.

---

PR created automatically by Jules for task 17513094855125738321 started by @Wenbobobo

[google-labs-jules]

👋 Jules, reporting for duty! I'm here to lend a hand with this pull request.

When you start a review, I'll add a 👀 emoji to each comment to let you know I've read it. I'll focus on feedback directed at me and will do my best to stay out of conversations between you and other bots or reviewers to keep the noise down.

I'll push a commit with your requested changes shortly after. Please note there might be a delay between these steps, but rest assured I'm on the job!

For more direct control, you can switch me to Reactive Mode. When this mode is on, I will only act on comments where you specifically mention me with @jules. You can find this option in the Pull Request section of your global Jules UI settings. You can always switch back!

New to Jules? Learn more at jules.google/docs.

---

For security, I will only act on instructions from the user who triggered this task.

[Copilot]

Pull request overview

Removes an unused Set import from the Lean 4 minimize_imports.py utility script to keep the module namespace and dependencies clean.

Changes:

• Dropped Set from from typing import List, Tuple, Set since it is not referenced in the script.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.