Summary

What problem does this solve, how, and why does this change matter? Use "Closes #123" for each issue resolved. Include artifacts produced when testing: before/after screenshots, GIFs, videos, benchmarks.

Testing

Manually test your changes; report results, mention platforms if relevant. How can reviewers test this easily? Include setup and steps.

Self-review

• I've reviewed my diff for quality, security, reliability, and performance.
• UI changes follow the checklist.
• Tests cover the new or changed behavior.

Release Notes:

• N/A or Added/Fixed/Improved ...