Sidebar panel stale after switching notes

[krwg]

Summary

Panel does not refresh on active note change.

Target milestone: 2.8.5
Work branch: 2.8.5/issue-4-panel-stale

---

Problem

Refresh only on open and Analyze click.

Expected behavior

Panel updates on file switch when visible.

Suggested approach

Register active-leaf-change → panel.refresh().

Files / areas

• main.js
• services/panel-view.js

---

Acceptance criteria

• Switch note updates stats without re-open

---

Metadata

Field	Value
Priority	P1
Milestone	2.8.5
Branch	2.8.5/issue-4-panel-stale