**Motivations:**
- Allow users to set their preferred language (fr/en) in the settings page
- Load language preference from localStorage at startup to configure the application locale
**Root causes:**
- Language preference was only available in the header via LanguageSelector component
- Language preference was stored in IndexedDB instead of localStorage
- No centralized language settings management in the settings page
**Correctifs:**
- Created LanguageSettingsManager component for settings page
- Migrated language storage from IndexedDB to localStorage for consistency
- Updated _app.tsx to load locale from localStorage synchronously at startup
- Updated useI18n hook to use localStorage instead of IndexedDB
- Updated LanguageSelector component to use localStorage instead of IndexedDB
**Evolutions:**
- Added language preference section in settings page (displayed first)
- Language preference is now loaded at application startup from localStorage
- Added translations for language settings (settings.language.*)
**Pages affectées:**
- components/LanguageSettingsManager.tsx (new)
- pages/settings.tsx
- pages/_app.tsx
- hooks/useI18n.ts
- components/LanguageSelector.tsx
- locales/fr.txt
- locales/en.txt
**Motivations:**
- Translate settings page and all its components to French and English
- Provide consistent multilingual experience
**Root causes:**
- Settings page and components were hardcoded in English
- No translation support for key management and NIP-95 configuration
**Correctifs:**
- None (new feature)
**Evolutions:**
- Added translations for settings page title
- Added translations for KeyManagementManager component:
- Public keys display (npub and hex)
- Import form and validation messages
- Recovery phrase display
- All buttons and warnings
- Added translations for Nip95ConfigManager component:
- Endpoint list and management
- Add/edit/remove actions
- Error messages
- Updated both fr.txt and en.txt translation files
- All text now uses t() function for i18n support
**Pages affectées:**
- pages/settings.tsx
- components/KeyManagementManager.tsx
- components/Nip95ConfigManager.tsx
- public/locales/fr.txt
- public/locales/en.txt
- locales/fr.txt
- locales/en.txt
**Motivations:**
- Provide a dedicated interface for managing Nostr keys
- Allow users to view public keys (npub and hex)
- Enable importing private keys via URL or text format
- Respect the existing two-level encryption system
**Root causes:**
- No dedicated interface for key management
- Users need to view their public keys easily
- Users need to import keys in various formats (nsec URL, nsec text, hex)
**Correctifs:**
- None (new feature)
**Evolutions:**
- Created KeyManagementManager component for key management
- Added public key display (npub and hex formats)
- Implemented private key import with support for:
- nostr:// URLs with nsec
- nsec text format (nsec1...)
- hex format (64 characters)
- Automatic key extraction from URLs
- Account replacement warning and confirmation
- Recovery phrase display after import
- Individual copy buttons for each key format
- Integration in settings page
**Pages affectées:**
- components/KeyManagementManager.tsx (new)
- pages/settings.tsx (modified)
- features/key-management-configuration.md (new)
