[BUG]: Planning mode button focus kb a11y issues (app/web)

[DNGriffin]

Description

Planning mode button is missing style and tooltip when tabbed to (keyboard accessibility issue)

Screen.Recording.2026-01-23.at.10.15.01.PM.mov

It's missing:

• focused style - no way to visually tell that it's focused
• tooltip

Plugins

No response

OpenCode version

OpenCode Desktop v1.1.34

Steps to reproduce

Tab to planning mode button (open prompt chat, press TAB key)

Screenshot and/or share link

No response

Operating System

No response

Terminal

No response

[github-actions]

This issue might be a duplicate of existing issues. Please check:

• Tooltips are unreadable in light mode #9333: Tooltips are unreadable in light mode (tooltip styling issues on web)
• Blocked TAB switching during predefined answer selection and logical inconsistency in Plan Mode prompts #8867: Blocked TAB switching during predefined answer selection and logical inconsistency in Plan Mode (TAB keyboard navigation in planning mode)

Feel free to ignore if none of these address your specific case.