feat : comment feature

lib/comments/events.test.ts

@@ -0,0 +1,17 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+vi.mock("server-only", () => ({}));
+const redis = vi.hoisted(() => ({ publish: vi.fn(), get: vi.fn() }));
+vi.mock("@/lib/redis/client", () => ({ getRedisClient: redis.get, redisEventChannel: (topic: string) => `test:${topic}` }));
+import { notifyCommentChange } from "./events";
+
+describe("comment invalidation events", () => {
+  beforeEach(() => { redis.publish.mockReset().mockResolvedValue(1); redis.get.mockReset().mockResolvedValue(redis); });
+  it("notifies the target and admin inbox without exposing comment content", async () => {
+    await notifyCommentChange("stygian:123");
+    expect(redis.publish.mock.calls).toEqual([["test:comments:stygian:123", "changed"], ["test:comments:admin", "changed"]]);
+  });
+  it("does not fail a committed mutation when Redis is unavailable", async () => {
+    redis.get.mockRejectedValue(new Error("offline"));
+    await expect(notifyCommentChange("stygian:123")).resolves.toBeUndefined();
+  });
+});