관리자 빈 화면 진단

apps/web/e2e/admin.spec.ts

@@ -158,6 +158,9 @@ async function mockAdminSession(
     super_admin: boolean;
     onboarding_completed_at: number | null;
   }> = {},
+  options: {
+    adminUsers?: unknown[];
+  } = {},
 ) {
   const seenAdminEndpoints = new Set<string>();
   const json = (body: unknown) => JSON.stringify(body);
@@ -210,7 +213,7 @@ async function mockAdminSession(
       await fulfillJson({
         source: "database",
         durable: true,
-        users: [],
+        users: options.adminUsers ?? [],
       });
       return;
     }
@@ -659,6 +662,48 @@ test.describe("admin route guards", () => {
       .toBe(0);
     await expect(page.getByRole("heading", { name: "역할, 그룹, 접근 범위" })).toBeInViewport();
   });
+
+  test("shows admin data diagnostics instead of a blank main pane", async ({ page }) => {
+    await mockAdminSession(
+      page,
+      {
+        user_id: "diagnostic-admin",
+        email: "diagnostic-admin@twentyoz.kr",
+        display_name: "Diagnostic Admin",
+        role: "admin",
+        admin_access: true,
+        super_admin: true,
+        onboarding_completed_at: 1_782_900_000,
+      },
+      {
+        adminUsers: [
+          {
+            user_id: "bad-user",
+            email: "bad-user@hs.ac.kr",
+            display_name: "Bad User",
+            role: "learner",
+            admin_access: false,
+            super_admin: false,
+            account_status: "pending",
+            affiliation: null,
+            cohort_ids: null,
+            active_sessions: null,
+            created_at: null,
+            last_seen_at: null,
+            source: "database",
+          },
+        ],
+      },
+    );
+
+    await page.goto("/admin/users");
+
+    await expect(page.getByRole("heading", { name: "가입 승인과 권한 관리" })).toBeVisible();
+    await expect(page.locator(".ad-diagnostic")).toContainText("관리자 데이터 진단");
+    await expect(page.locator(".ad-diagnostic")).toContainText("cohort_ids");
+    await expect(page.locator(".ad-diagnostic")).toContainText("active_sessions");
+    await expect(page.getByText("Bad User")).toBeVisible();
+  });
 });
 
 test.describe("admin route", () => {