[FEATURE]: Desktop: Double-click Review / Context tab to maximize/restore pane (JetBrains-style) - Recreated

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Describe the enhancement you want to request

Issue recreated after 60 day closing

Description

In the OpenCode Desktop app, I’d like to be able to quickly focus a pane by double-clicking its tab header.

Specifically: double-clicking the Review or Context tab header should maximize that pane to fill the Desktop window’s main content area (inside the app), and double-clicking again should restore the previous split sizes — similar to JetBrains IDEs.

This is not about OS-level fullscreen/maximize (title bar behavior). It’s about maximizing/restoring the in-app pane.

Rationale

When reviewing files on the diff, screen real estate is really important. Also, concentrating only on the diff during the review process provides better focus/flow.

Plugins

No response

OpenCode version

Steps to reproduce

1. Open OpenCode Desktop
2. Ensure the layout shows the Review and/or Context tab/pane (ideally in a split view)
3. Double-click the Review tab header (or Context tab header)

Current Behavior

• Double-clicking the Review / Context tab header does not maximize/restore that pane.

Expected Behavior

• Double-clicking the Review tab header toggles the Review pane between:
  • Maximized (fills the main content area within the Desktop window)
  • Restored (returns to the previous split sizes)
• Same behavior for the Context tab header.
• Restoring should return to the exact previous split sizes (like JetBrains).
• This should be an in-app layout toggle (not macOS native fullscreen / not OS title bar maximize).

Screenshot and/or share link

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Operating System

Terminal

No response