refactor: migrate messaging plugins to sdk

src/infra/heartbeat-runner.returns-default-unset.test.ts

@@ -1,7 +1,7 @@
 import fs from "node:fs/promises";
 import os from "node:os";
 import path from "node:path";
-import { describe, expect, it, vi } from "vitest";
+import { beforeEach, describe, expect, it, vi } from "vitest";
 import { HEARTBEAT_PROMPT } from "../auto-reply/heartbeat.js";
 import * as replyModule from "../auto-reply/reply.js";
 import type { ClawdbotConfig } from "../config/config.js";
@@ -18,10 +18,23 @@ import {
   runHeartbeatOnce,
 } from "./heartbeat-runner.js";
 import { resolveHeartbeatDeliveryTarget } from "./outbound/targets.js";
+import { setActivePluginRegistry } from "../plugins/runtime.js";
+import { createTestRegistry } from "../test-utils/channel-plugins.js";
+import { telegramPlugin } from "../../extensions/telegram/src/channel.js";
+import { whatsappPlugin } from "../../extensions/whatsapp/src/channel.js";
 
 // Avoid pulling optional runtime deps during isolated runs.
 vi.mock("jiti", () => ({ createJiti: () => () => ({}) }));
 
+beforeEach(() => {
+  setActivePluginRegistry(
+    createTestRegistry([
+      { pluginId: "whatsapp", plugin: whatsappPlugin, source: "test" },
+      { pluginId: "telegram", plugin: telegramPlugin, source: "test" },
+    ]),
+  );
+});
+
 describe("resolveHeartbeatIntervalMs", () => {
   it("returns default when unset", () => {
     expect(resolveHeartbeatIntervalMs({})).toBe(30 * 60_000);