test(catalog): assert loadError is reported to Sentry (deduped)

Mock @sentry/nestjs and assert that a getCategoryWithParts loadError drives the
redis dedup key + Sentry.captureMessage("…drill-load-error…"), so the silent-
failure reporting can't regress unnoticed.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

apps/api/src/categories/categories.service.spec.ts

@@ -1,7 +1,12 @@
 import { NotFoundException } from "@nestjs/common";
+import * as Sentry from "@sentry/nestjs";
 import { beforeEach, describe, expect, it, vi } from "vitest";
 import { CategoriesService } from "./categories.service";
 
+// The catalog-degradation reporter calls Sentry.captureMessage; stub it so we can
+// assert silent UX failures are reported without hitting the real SDK.
+vi.mock("@sentry/nestjs", () => ({ captureMessage: vi.fn() }));
+
 function createService(db: any) {
   const redis = {
     getJson: vi.fn().mockResolvedValue(null),
@@ -293,15 +298,27 @@ describe("CategoriesService", () => {
         execute: vi.fn().mockResolvedValue([]),
       };
 
-      const { service } = createService(db);
+      const { service, redis } = createService(db);
       // Drill comes back empty (transient upstream failure).
       vi.spyOn(service, "getChildren").mockResolvedValue([] as any);
 
+      (Sentry.captureMessage as ReturnType<typeof vi.fn>).mockClear();
       const result = await service.getCategoryWithParts("psa2");
 
       expect(service.getChildren).toHaveBeenCalledWith("psa2");
       expect((result as { loadError?: boolean }).loadError).toBe(true);
       expect((result as { children?: unknown }).children).toBeUndefined();
+      // The silent loadError is reported to Sentry (deduped via redis.set) so it
+      // can't go unnoticed the way serkan's empty catalog did.
+      expect(redis.set).toHaveBeenCalledWith(
+        expect.stringContaining("sentry:cat-degraded:drill-load-error:"),
+        "1",
+        3600,
+      );
+      expect(Sentry.captureMessage).toHaveBeenCalledTimes(1);
+      expect((Sentry.captureMessage as ReturnType<typeof vi.fn>).mock.calls[0][0]).toContain(
+        "drill-load-error",
+      );
     });
   });