Migrate user api to ts

app/src/types/userApi.ts

@@ -0,0 +1,12 @@
+// UpdateProfileRequest represents a user profile update request
+export interface UpdateProfileRequest {
+  displayName?: string;
+  email?: string;
+  currentPassword?: string;
+  newPassword?: string;
+}
+
+// DeleteAccountRequest represents a user account deletion request
+export interface DeleteAccountRequest {
+  password: string;
+}