feat : notify new update income

tests/security-redis.integration.test.ts

@@ -6,6 +6,7 @@ import { afterAll, beforeAll, describe, expect, it, vi } from "vitest";
 vi.mock("server-only", () => ({}));
 
 const { closeRedisEventStreams, createRedisEventResponse } = await import("@/lib/events/redis-stream");
+const { getLatestDeploymentStatus, publishDeploymentStatus } = await import("@/lib/deployment/repository");
 const { updateVisitorPresence } = await import("@/lib/presence");
 const { closeRedisClient, redisEventChannel } = await import("@/lib/redis/client");
 const { consumeRateLimit } = await import("@/lib/security/rate-limit");
@@ -102,4 +103,17 @@ describeWithRedis("shared Redis security paths", () => {
     second.abort();
     await Promise.all([readerA.cancel(), readerB.cancel()]);
   });
+
+  it("does not let stale deployment results replace a newer announcement", async () => {
+    const firstId = "a".repeat(40);
+    const secondId = "b".repeat(40);
+    expect((await publishDeploymentStatus(firstId, "deploying")).accepted).toBe(true);
+    expect((await publishDeploymentStatus(secondId, "deploying")).accepted).toBe(true);
+    expect((await publishDeploymentStatus(firstId, "ready")).accepted).toBe(false);
+    expect(await getLatestDeploymentStatus()).toMatchObject({
+      deploymentId: secondId,
+      status: "deploying",
+    });
+    expect((await publishDeploymentStatus(secondId, "failed")).accepted).toBe(true);
+  });
 });