[ENHANCEMENT] Show progress for inline code editing #120

Problem (one or two sentences)

When file is editing in backgroud, there is no way to known where is the file is editing now and how the speed the editing is, I can only get the result after the editing is finished.

Context (who is affected and when)

Enable inline editing and want to know how is the file is editing now

Desired behavior (conceptual, not technical)

Show some progress/information in UI when the file is editing

Constraints / preferences (optional)

No response

Request checklist

• I've searched existing Issues and Discussions for duplicates
• This describes a specific problem with clear context and impact

Zoo Code Task Links (optional)

No response

Acceptance criteria (optional)

No response

Proposed approach (optional)

No response

Trade-offs / risks (optional)

No response