feat: Initial user switching mutations

wp-content/themes/ccat/app/composables/useUserSwitching.ts

@@ -0,0 +1,38 @@
+export const useUserSwitching = () => {
+  const session = useUserSession();
+
+  const isSwitched = computed(() => Boolean(session.data.value?.switchedBy));
+
+  const switchTo = async (userId: string | number) => {
+    const response = await $fetch("/api/switch-to", {
+      method: "POST",
+      body: { userId },
+    });
+
+    if (response.success) {
+      await session.fetch();
+      return response;
+    }
+
+    throw new Error(response.message || "Switch failed");
+  };
+
+  const switchBack = async () => {
+    const response = await $fetch("/api/switch-back", {
+      method: "POST",
+    });
+
+    if (response.success) {
+      await session.fetch();
+      return response;
+    }
+
+    throw new Error(response.message || "Switch back failed");
+  };
+
+  return {
+    isSwitched,
+    switchTo,
+    switchBack,
+  };
+};