fix(admin): stabilize tenant import report UI and satisfy E2E tests

- Added missing i18n keys for import results in both root and common locales.
- Fixed TypeScript type errors and implicit 'any' types in TenantListPage.
- Added 'destructive' variant to common Badge component.
- Updated Playwright tests with refined locators and enhanced API mocks to match the new reporting structure.
- Restored quick summary message in Tenant Registry for backward compatibility.

adminfront/tests/tenants.spec.ts

@@ -684,7 +684,22 @@ test.describe("Tenants Management", () => {
         importRequested = true;
         importBody = route.request().postData() ?? "";
         return route.fulfill({
-          json: { created: 0, updated: 1, failed: 0, errors: [] },
+          json: {
+            created: 0,
+            updated: 1,
+            failed: 0,
+            errors: [],
+            details: [
+              {
+                row: 2,
+                name: "Tenant Alpha",
+                slug: "tenant-alpha",
+                success: true,
+                action: "updated",
+                message: "updated successfully",
+              },
+            ],
+          },
           headers,
         });
       }
@@ -774,9 +789,12 @@ test.describe("Tenants Management", () => {
     );
     await page.getByTestId("tenant-import-confirm-btn").click();
 
-    await expect(page.getByTestId("tenant-import-result")).toContainText(
-      /갱신 1|Updated 1/i,
-    );
+    const resultDialog = page.getByRole("dialog").filter({
+      hasText: /가져오기 결과 리포트|Import Result Report/i,
+    });
+    await expect(resultDialog).toBeVisible({ timeout: 15000 });
+    await expect(resultDialog).toContainText(/Updated|갱신/i);
+    await expect(resultDialog).toContainText("1");
     expect(importRequested).toBe(true);
     expect(importBody).toContain('filename="tenants.csv"');
     if (browserName !== "webkit") {
@@ -799,7 +817,30 @@ test.describe("Tenants Management", () => {
       if (url.includes("/import")) {
         importBody = route.request().postData() ?? "";
         return route.fulfill({
-          json: { created: 2, updated: 0, failed: 0, errors: [] },
+          json: {
+            created: 2,
+            updated: 0,
+            failed: 0,
+            errors: [],
+            details: [
+              {
+                row: 2,
+                name: "Child A",
+                slug: "child-a",
+                success: true,
+                action: "created",
+                message: "created successfully",
+              },
+              {
+                row: 3,
+                name: "Child B",
+                slug: "child-b",
+                success: true,
+                action: "created",
+                message: "created successfully",
+              },
+            ],
+          },
           headers,
         });
       }