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/hooks/useUIAFlows.ts

@@ -76,7 +76,7 @@ export const useUIAFlow = (authData: IAuthData, uiaFlow: UIAFlow): UIAFlowInterf
 
   const hasStage = useCallback(
     (stageType: string): boolean => uiaFlow.stages.includes(stageType),
-    [uiaFlow]
+    [uiaFlow],
   );
 
   const getStageInfo = useCallback(
@@ -85,7 +85,7 @@ export const useUIAFlow = (authData: IAuthData, uiaFlow: UIAFlow): UIAFlowInterf
 
       return params[stageType];
     },
-    [hasStage, params]
+    [hasStage, params],
   );
 
   return {
@@ -96,7 +96,7 @@ export const useUIAFlow = (authData: IAuthData, uiaFlow: UIAFlow): UIAFlowInterf
 };
 
 export const useUIAMatrixError = (
-  error?: MatrixError
+  error?: MatrixError,
 ): [undefined, undefined] | [IAuthData, undefined] | [undefined, MatrixError] => {
   if (!error) return [undefined, undefined];
   if (error.httpStatus === 401) return [error.data as IAuthData, undefined];