VSC: Mode + model picker in status bar

[Hmbown]

Summary

Click the status bar item to switch Plan/Agent/YOLO and model.

Acceptance criteria

• Status bar shows current mode plus model.
• Menu switches both.
• Persists per workspace.

Files

extensions/vscode/src/statusbar.ts

Size

S

Source

Source tag: VSC. Add exact upstream/opencode source links during implementation if they are not already known. Do not copy external code blindly; port the behavior into this repo's architecture.

Filed from 2026-05-02 v0.8.8 intake.