refactor: use controller approach in handlers

frontend/src/context/app-context.tsx

@@ -15,7 +15,7 @@ export const AppContextProvider = ({
 }) => {
   const { isFetching, data, error } = useSuspenseQuery({
     queryKey: ["app"],
-    queryFn: () => axios.get("/api/app").then((res) => res.data),
+    queryFn: () => axios.get("/api/context/app").then((res) => res.data),
   });
 
   if (error && !isFetching) {

frontend/src/context/user-context.tsx

@@ -15,7 +15,7 @@ export const UserContextProvider = ({
 }) => {
   const { isFetching, data, error } = useSuspenseQuery({
     queryKey: ["user"],
-    queryFn: () => axios.get("/api/user").then((res) => res.data),
+    queryFn: () => axios.get("/api/context/user").then((res) => res.data),
   });
 
   if (error && !isFetching) {

frontend/src/pages/logout-page.tsx

@@ -26,7 +26,7 @@ export const LogoutPage = () => {
   const { t } = useTranslation();
 
   const logoutMutation = useMutation({
-    mutationFn: () => axios.post("/api/logout"),
+    mutationFn: () => axios.post("/api/user/logout"),
     mutationKey: ["logout"],
     onSuccess: () => {
       toast.success(t("logoutSuccessTitle"), {

frontend/src/pages/totp-page.tsx

@@ -32,7 +32,7 @@ export const TotpPage = () => {
   const redirectUri = searchParams.get("redirect_uri");
 
   const totpMutation = useMutation({
-    mutationFn: (values: TotpSchema) => axios.post("/api/totp", values),
+    mutationFn: (values: TotpSchema) => axios.post("/api/user/totp", values),
     mutationKey: ["totp"],
     onSuccess: () => {
       toast.success(t("totpSuccessTitle"), {