fix: standardize unavailable page responses

apps/web/tests/degradation.spec.ts

@@ -11,6 +11,10 @@ for (const path of [
   "/tackle",
   "/tackle/analytics",
   "/tackle/items/00000000-0000-0000-0000-000000000000",
+  "/records",
+  "/spots/unknown-0x0",
+  "/report",
+  "/status",
 ]) {
   test(`${path} exposes a cache-safe unavailable state`, async ({ page }) => {
     test.skip(!unavailableRun, "Run with EXPECT_UNAVAILABLE=1 and an API-unavailable web process.");
@@ -18,7 +22,8 @@ for (const path of [
     expect(response?.status(), `${path} status`).toBe(503);
     expect(response?.headers()["retry-after"], `${path} retry header`).toBe("60");
     expect(response?.headers()["cache-control"], `${path} cache header`).toBe("no-store");
-    await expect(page.getByRole("alert")).toContainText(/временно недоступ|недоступен/i);
+    await expect(page.getByRole("alert")).toContainText(/временно недоступ|недоступ/i);
+    await expect(page.locator('meta[name="robots"]')).toHaveAttribute("content", "noindex, nofollow");
     await expect(page.locator("body")).not.toContainText(/Traceback|localhost:8000|API \d+/i);
   });
 }