chore: upgrade i18next 26, prettier 3, fontsource-variable, domhandler 6, lint-staged 17

- i18next 23->26 + react-i18next 15->17
- prettier 2->3, reformat all files
- replace @fontsource/inter with @fontsource-variable/inter 5, update import path
- domhandler 5->6 (aligns with transitive deps)
- lint-staged 16->17

src/app/components/LogoutDialog.tsx

@@ -21,13 +21,13 @@ export const LogoutDialog = forwardRef<HTMLDivElement, LogoutDialogProps>(
     const verificationStatus = useDeviceVerificationStatus(
       mx.getCrypto(),
       mx.getSafeUserId(),
-      mx.getDeviceId() ?? undefined
+      mx.getDeviceId() ?? undefined,
     );
 
     const [logoutState, logout] = useAsyncCallback<void, Error, []>(
       useCallback(async () => {
         await logoutClient(mx);
-      }, [mx])
+      }, [mx]),
     );
 
     const ongoingLogout = logoutState.status === AsyncStatus.Loading;
@@ -87,5 +87,5 @@ export const LogoutDialog = forwardRef<HTMLDivElement, LogoutDialogProps>(
         </Box>
       </Dialog>
     );
-  }
+  },
 );