fix(menu): avoid WebKit button paint layer

[matthewevans]

Summary\n- render the active-deck card with the keyboard-accessible card-tile pattern instead of a native button\n- avoid the WebKit/Tauri native button paint-layer issue that hid its art header\n\n## Verification\n- \n- verified visually in the local Tilt Tauri app with a deck containing Lightning Bolt art\n\nCloses #6537

Summary by CodeRabbit

• Accessibility
  • Improved keyboard accessibility for the active deck card.
  • Added support for activating the card with Enter or Space.
• UI Improvements
  • Updated the card’s interactive styling and layout behavior.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: f9abe718-b5fe-4075-91d6-9da2ee62a74e

📥 Commits

Reviewing files that changed from the base of the PR and between c754a08 and c2a26a3.

📒 Files selected for processing (1)

• client/src/components/menu/home/HomeDashboard.tsx

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📝 Walkthrough

Walkthrough

The active deck card replaces its native button wrapper with an accessible div, adds Enter and Space keyboard handling, updates container classes, and simplifies art-header layering for WebKit rendering.

Changes

Active deck rendering

Layer / File(s)	Summary
Accessible active deck card client/src/components/menu/home/HomeDashboard.tsx	The active deck wrapper uses role="button" and tabIndex, handles Enter and Space navigation to /my-decks, updates its classes, and simplifies art-header positioning styles.

Estimated code review effort: 2 (Simple) | ~10 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title is specific and matches the main change: swapping the active-deck button rendering to avoid the WebKit paint-layer issue.
Linked Issues check	✅ Passed	The code change removes the native button wrapper and adjusts the card styling, aligning with #6537's WebKit rendering fix.
Out of Scope Changes check	✅ Passed	The PR stays focused on the active-deck card WebKit fix and does not introduce unrelated changes.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/dashboard-active-deck-surface

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