feat(media): wire instrumentation — media repo spans + getMedia/listMedia/deleteMedia withSpan

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

packages/media/src/infrastructure/repositories/media.repository.test.ts

@@ -32,7 +32,10 @@ function buildPayloadStub() {
     findByID: vi.fn(
       async ({ id }: { collection: string; id: string; overrideAccess?: boolean }) => {
         const doc = store.get(String(id));
-        if (!doc) throw new Error(`Not found: ${id}`);
+        if (!doc) {
+          const err = Object.assign(new Error(`Not found: ${id}`), { status: 404 });
+          throw err;
+        }
         return doc;
       },
     ),
@@ -71,7 +74,9 @@ describe("MediaRepository", () => {
     it("returns undefined when Payload throws (not found)", async () => {
       const { getPayload } = await import("payload");
       (getPayload as ReturnType<typeof vi.fn>).mockResolvedValue({
-        findByID: vi.fn().mockRejectedValue(new Error("Not found")),
+        findByID: vi.fn().mockRejectedValue(
+          Object.assign(new Error("Not found"), { status: 404 }),
+        ),
       });
 
       const repo = new MediaRepository(stubPayloadConfig);