Frontend: structured error handling, state fixes, accessibility, i18n

- Enhance fetchWithAuth with auto-401, retry w/ exponential backoff, timeout
- Remove ~40 manual 401 checks across 10 feature files
- Fix state: brightness cache setter, manual edit flag resets, static import
- Add ARIA: role=dialog/tablist, aria-modal, aria-labelledby, aria-selected
- Add focus trapping in Modal base class, aria-expanded on hint toggles
- Fix WCAG AA color contrast with --primary-text-color variable
- Add i18n pluralization (CLDR rules for en/ru), getCurrentLocale export
- Replace hardcoded strings in dashboard.js and profiles.js
- Add data-i18n-aria-label support, 20 new keys in en.json and ru.json

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-02-20 01:18:29 +03:00
parent 2b90fafb9c
commit 3ae20761a1
41 changed files with 355 additions and 248 deletions

View File

@@ -1,11 +1,11 @@
<!-- Add Device Modal -->
<div id="add-device-modal" class="modal">
<div id="add-device-modal" class="modal" role="dialog" aria-modal="true" aria-labelledby="add-device-modal-title">
<div class="modal-content">
<div class="modal-header">
<h2 data-i18n="devices.add">Add New Device</h2>
<h2 id="add-device-modal-title" data-i18n="devices.add">Add New Device</h2>
<div class="modal-header-actions">
<button type="button" class="modal-header-btn" id="scan-network-btn" onclick="scanForDevices()" data-i18n-title="device.scan" title="Auto Discovery">&#x1F50D;</button>
<button class="modal-close-btn" onclick="closeAddDeviceModal()" title="Close">&#x2715;</button>
<button class="modal-close-btn" onclick="closeAddDeviceModal()" title="Close" data-i18n-aria-label="aria.close">&#x2715;</button>
</div>
</div>
<div class="modal-body">
@@ -82,8 +82,8 @@
</form>
</div>
<div class="modal-footer">
<button class="btn btn-icon btn-secondary" onclick="closeAddDeviceModal()" title="Cancel">&#x2715;</button>
<button class="btn btn-icon btn-primary" onclick="document.getElementById('add-device-form').requestSubmit()" title="Add Device">&#x2713;</button>
<button class="btn btn-icon btn-secondary" onclick="closeAddDeviceModal()" title="Cancel" data-i18n-aria-label="aria.cancel">&#x2715;</button>
<button class="btn btn-icon btn-primary" onclick="document.getElementById('add-device-form').requestSubmit()" title="Add Device" data-i18n-aria-label="aria.save">&#x2713;</button>
</div>
</div>
</div>