🎨 Palette: Add missing accessibility labels to icon buttons

[NSEvent]

💡 What: Added .accessibilityLabel to icon-only buttons in SettingsViews.swift (Layer Stick Override reset button) and OnScreenKeyboardSettingsView.swift (Variables function icon).
🎯 Why: These buttons previously had .help modifiers for hover tooltips but lacked equivalent VoiceOver accessibility labels, making them inaccessible to screen readers.
📸 Before/After: Visuals remain unchanged, but screen reader accessibility is fixed.
♿ Accessibility: Ensures VoiceOver properly announces "Reset to base (inherit)" and "Contains variables that will be expanded" for the respective icons.

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PR created automatically by Jules for task 281458812996500947 started by @NSEvent

Summary by CodeRabbit

• Accessibility
  • Improved screen reader support for the on-screen keyboard by adding descriptive labels to the variable indicator and the “Reset to base (inherit)” button.
  • No visible behavior or layout changes were made.

[google-labs-jules]

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 939a682f-5069-4886-8fb0-b159860044f6

📥 Commits

Reviewing files that changed from the base of the PR and between 95d4928 and 2e28c4a.

📒 Files selected for processing (2)

• XboxControllerMapper/XboxControllerMapper/Views/MainWindow/OnScreenKeyboardSettingsView.swift
• XboxControllerMapper/XboxControllerMapper/Views/MainWindow/SettingsViews.swift

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📝 Walkthrough

Walkthrough

This PR adds accessibilityLabel modifiers to two existing SwiftUI controls: the variables-expansion indicator icon in QuickTextRowView and the "Reset to base (inherit)" button in layerOverrideSlider. No structural, behavioral, or logic changes are made.

Changes

Accessibility Label Additions

Layer / File(s)	Summary
Add accessibility labels to indicator and reset button XboxControllerMapper/.../OnScreenKeyboardSettingsView.swift, XboxControllerMapper/.../SettingsViews.swift	Adds accessibilityLabel modifiers to the variables-expansion indicator in QuickTextRowView and the "Reset to base (inherit)" reset button in layerOverrideSlider.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• NSEvent/xbox-controller-mapper#45: Also adds accessibility labels within OnScreenKeyboardSettingsView.swift's QuickTextRowView, for edit/delete icon buttons.
• NSEvent/xbox-controller-mapper#63: Also adds .accessibilityLabel modifiers to buttons/controls without changing behavior.
• NSEvent/xbox-controller-mapper#46: Also adds .accessibilityLabel(...) modifiers to controls in the Settings/MainWindow area.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main change: adding missing accessibility labels to icon buttons.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ 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 palette-a11y-fix-281458812996500947

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