fix(profile): Reauth für Passkey-Umbenennung und Geräte-Dialog

PATCH /credentials verlangt requireReauth wie add/delete; Client ruft
reauthWithPasskey vor rename auf. Abbrechen-Text beim Gerät vergessen korrigiert.

Co-authored-by: Cursor <cursoragent@cursor.com>

client/src/i18n/locales/de.json

@@ -347,6 +347,7 @@
       "device_forget_confirm_title": "Schnell-Login entfernen?",
       "device_forget_confirm_desc": "Der Account verschwindet aus der Schnell-Login-Liste auf diesem Gerät. Deine Session und lokalen Logbücher bleiben erhalten.",
       "device_forget_confirm_yes": "Entfernen",
+      "device_forget_confirm_no": "Abbrechen",
       "passkey_label": "Name für neuen Passkey (optional)",
       "passkey_label_placeholder": "z. B. MacBook, iPhone",
       "passkey_rename_btn": "Name speichern",

client/src/i18n/locales/en.json

@@ -347,6 +347,7 @@
       "device_forget_confirm_title": "Remove quick login?",
       "device_forget_confirm_desc": "The account will be removed from the quick-login list on this device. Your session and local logbooks stay on this device.",
       "device_forget_confirm_yes": "Remove",
+      "device_forget_confirm_no": "Cancel",
       "passkey_label": "Name for new passkey (optional)",
       "passkey_label_placeholder": "e.g. MacBook, iPhone",
       "passkey_rename_btn": "Save name",