🎨 Palette: TaskRow UI polish and a11y focus states

[matta]

💡 What: Converted the 'Delete' button in the TaskRow to an icon button variant and added :focus-visible outline styles to the task title span for keyboard navigation.
🎯 Why: The Destructive button variant with its background text styling was overly bulky next to the clean SVG icons. Changing to an Icon button streamlines the UI. Adding focus-visible ensures keyboard users can clearly see which task title is currently focused.
📸 Before/After: See generated Playwright screenshots.
♿ Accessibility: Improved keyboard navigation feedback significantly with outline styles for the span element functioning as a button.

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PR created automatically by Jules for task 6650459406755969426 started by @matta

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Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request refines the user interface and improves accessibility within the TaskRow component. It addresses visual clutter by updating a button's appearance and significantly enhances keyboard navigation by providing clear focus indicators for interactive elements.

Highlights

• UI Polish: The 'Delete' button in the TaskRow component has been converted from a 'Destructive' variant to an 'Icon' variant, streamlining the user interface.
• Accessibility Improvement: Added ':focus-visible' outline styles to the task title span, enhancing keyboard navigation feedback for users.

Changelog

• crates/tasklens-ui/src/app_components/task_row.css
  • Added ':focus-visible' styles to the '.title_base' class, including an outline, border-radius, and outline-offset.
• crates/tasklens-ui/src/app_components/task_row.rs
  • Changed the 'variant' of the 'Delete' button from 'ButtonVariant::Destructive' to 'ButtonVariant::Icon'.
  • Updated the 'title' attribute of the 'Delete' button from "Delete" to "Delete task".

Activity

• No human activity has been recorded for this pull request yet.

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Code Review

This pull request refines the TaskRow component by changing the 'Delete' button from a text-based 'Destructive' variant to an Icon variant, and updates its tooltip text for clarity. It also improves keyboard accessibility by adding a :focus-visible outline style to the task title span. The changes are focused and correctly implement the described UI polish and accessibility enhancements.