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.span.test.ts

@@ -0,0 +1,51 @@
+import { describe, it, expect } from "vitest";
+import { RecordingTracer, RecordingLogger } from "@repo/core-testing/instrumentation";
+import { MockMediaRepository } from "@/infrastructure/repositories/media.repository.mock";
+import type { Media } from "@/entities/models/media";
+
+const SAMPLE_MEDIA: Media = {
+  id: "m1",
+  alt: "Test image",
+  url: "/test/image.jpg",
+  filename: "image.jpg",
+  mimeType: "image/jpeg",
+  filesize: 1024,
+};
+
+// Mock repo also wraps in spans (R42).
+describe("MockMediaRepository emits spans (R42)", () => {
+  it("getMedia emits one span with op='repository' and found attribute", async () => {
+    const tracer = new RecordingTracer();
+    const logger = new RecordingLogger();
+    const repo = new MockMediaRepository(tracer, logger);
+    await repo._store(SAMPLE_MEDIA);
+    await repo.getMedia("m1");
+    expect(tracer.spans).toHaveLength(1);
+    const getSpan = tracer.findSpan("media.getMedia");
+    expect(getSpan).toBeDefined();
+    expect(getSpan).toMatchObject({ name: "media.getMedia", op: "repository" });
+    expect(getSpan!.attributes.found).toBe(true);
+  });
+
+  it("listMedia emits a span with count attribute", async () => {
+    const tracer = new RecordingTracer();
+    const repo = new MockMediaRepository(tracer);
+    await repo._store(SAMPLE_MEDIA);
+    tracer.reset();
+    await repo.listMedia({ limit: 10 });
+    expect(tracer.findSpan("media.listMedia")).toBeDefined();
+    expect(tracer.findSpan("media.listMedia")!.attributes.limit).toBe(10);
+    expect(tracer.findSpan("media.listMedia")!.attributes.count).toBe(1);
+  });
+
+  it("deleteMedia emits a span with deleted=true", async () => {
+    const tracer = new RecordingTracer();
+    const repo = new MockMediaRepository(tracer);
+    await repo._store(SAMPLE_MEDIA);
+    tracer.reset();
+    await repo.deleteMedia("m1");
+    expect(tracer.findSpan("media.deleteMedia")).toBeDefined();
+    expect(tracer.findSpan("media.deleteMedia")!.attributes.deleted).toBe(true);
+    expect(tracer.findSpan("media.deleteMedia")!.attributes.id).toBe("m1");
+  });
+});