Extraction du code self-test dans des fichiers partagés (selftest.js +
selftest-modal.html) pour éviter la duplication. Ajout du bouton Run
Self Test sur les pages index, sensors et admin. Nouveau test RTC qui
vérifie la connexion du module DS3231 et la synchronisation horloge.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Le script dans topbar.html ne s'exécutait pas car innerHTML ignore les
balises <script>. Déplacé la logique dans un fichier JS séparé
(topbar-logo.js) avec MutationObserver pour détecter l'insertion du topbar.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
**Core System:**
- Add i18n.js translation library with data-attribute support
- Create translation files (fr.json, en.json) with offline support
- Store language preference in SQLite config_table
- Add backend endpoints for get/set language
**UI Features:**
- Add language switcher dropdown to topbar (🇫🇷 FR / 🇬🇧 EN)
- Auto-sync language selection across all pages
- Support for static HTML and dynamically created elements
**Implementation:**
- Migrate sensors.html as working example
- Add data-i18n attributes to all UI elements
- Support for buttons, inputs, and dynamic content
- Comprehensive README documentation in html/lang/
**Technical Details:**
- Works completely offline (local JSON files)
- No external dependencies
- Database-backed user preference
- Event-based language change notifications
- Automatic translation on page load
Next steps: Gradually migrate other pages (admin, wifi, index, etc.)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
