refactor: unify message hook mapping and async dispatch

src/hooks/fire-and-forget.test.ts

@@ -0,0 +1,18 @@
+import { describe, expect, it, vi } from "vitest";
+import { fireAndForgetHook } from "./fire-and-forget.js";
+
+describe("fireAndForgetHook", () => {
+  it("logs rejection errors", async () => {
+    const logger = vi.fn();
+    fireAndForgetHook(Promise.reject(new Error("boom")), "hook failed", logger);
+    await Promise.resolve();
+    expect(logger).toHaveBeenCalledWith("hook failed: Error: boom");
+  });
+
+  it("does not log for resolved tasks", async () => {
+    const logger = vi.fn();
+    fireAndForgetHook(Promise.resolve("ok"), "hook failed", logger);
+    await Promise.resolve();
+    expect(logger).not.toHaveBeenCalled();
+  });
+});