feat: Initial user switching mutations

wp-content/themes/ccat/server/api/switch-back.post.ts

@@ -0,0 +1,19 @@
+import { defineEventHandler } from "h3";
+
+export default defineEventHandler(async (event) => {
+  try {
+    const response = await useGraphqlMutation("userSwitchBack");
+
+    if (response.errors?.length) {
+      throw new Error(response.errors[0]?.message || "Switch back failed");
+    }
+
+    await clearUserSession(event);
+
+    return { success: true };
+  }
+  catch (error) {
+    const message = error instanceof Error ? error.message : "Switch back failed";
+    return { success: false, message };
+  }
+});