fix: section Securite du compte incomplete BUG-068 (boutons theme, QR local, mot de passe, recovery WebAuthn)

frontend/locales/en.json

@@ -1887,6 +1887,18 @@
   "mfa.disable_confirm_btn": "Disable 2FA",
   "mfa.disabled_success": "2FA has been disabled.",
   "mfa.fill_all_fields": "Please fill in all fields.",
+  "mfa.qr_unavailable": "QR code unavailable — use manual entry below.",
+  "mfa.password_change_title": "Password",
+  "mfa.password_change_desc": "Change your account password (min. 8 characters). All other sessions are invalidated.",
+  "mfa.current_password_label": "Current password",
+  "mfa.current_password_placeholder": "Your current password",
+  "mfa.new_password_label": "New password",
+  "mfa.new_password_placeholder": "Min. 8 characters",
+  "mfa.new_password_confirm_label": "Confirm new password",
+  "mfa.new_password_confirm_placeholder": "Repeat the new password",
+  "mfa.password_change_btn": "Change password",
+  "mfa.password_mismatch": "The two passwords do not match.",
+  "mfa.password_changed": "Password updated.",
   "bookslm.title": "BooksLM",
   "bookslm.files_indexed": "{count} files indexed",
   "bookslm.chars_loaded": "{chars} chars loaded",

frontend/locales/fr.json

@@ -1887,6 +1887,18 @@
   "mfa.disable_confirm_btn": "Désactiver la 2FA",
   "mfa.disabled_success": "La 2FA a été désactivée.",
   "mfa.fill_all_fields": "Veuillez remplir tous les champs.",
+  "mfa.qr_unavailable": "QR code indisponible — utilisez la saisie manuelle ci-dessous.",
+  "mfa.password_change_title": "Mot de passe",
+  "mfa.password_change_desc": "Modifiez le mot de passe de votre compte (min. 8 caractères). Toutes les autres sessions sont invalidées.",
+  "mfa.current_password_label": "Mot de passe actuel",
+  "mfa.current_password_placeholder": "Votre mot de passe actuel",
+  "mfa.new_password_label": "Nouveau mot de passe",
+  "mfa.new_password_placeholder": "Min. 8 caractères",
+  "mfa.new_password_confirm_label": "Confirmer le nouveau mot de passe",
+  "mfa.new_password_confirm_placeholder": "Répétez le nouveau mot de passe",
+  "mfa.password_change_btn": "Changer le mot de passe",
+  "mfa.password_mismatch": "Les deux mots de passe ne correspondent pas.",
+  "mfa.password_changed": "Mot de passe mis à jour.",
   "bookslm.title": "BooksLM",
   "bookslm.files_indexed": "{count} fichiers indexés",
   "bookslm.chars_loaded": "{chars} caractères chargés",