feat: add imessage rpc adapter

src/imessage/send.test.ts

@@ -0,0 +1,64 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+import { sendMessageIMessage } from "./send.js";
+
+const requestMock = vi.fn();
+const stopMock = vi.fn();
+
+vi.mock("../config/config.js", () => ({
+  loadConfig: () => ({}),
+}));
+
+vi.mock("./client.js", () => ({
+  createIMessageRpcClient: vi.fn().mockResolvedValue({
+    request: (...args: unknown[]) => requestMock(...args),
+    stop: (...args: unknown[]) => stopMock(...args),
+  }),
+}));
+
+vi.mock("../web/media.js", () => ({
+  loadWebMedia: vi.fn().mockResolvedValue({
+    buffer: Buffer.from("data"),
+    contentType: "image/jpeg",
+  }),
+}));
+
+vi.mock("../media/store.js", () => ({
+  saveMediaBuffer: vi.fn().mockResolvedValue({
+    path: "/tmp/imessage-media.jpg",
+    contentType: "image/jpeg",
+  }),
+}));
+
+describe("sendMessageIMessage", () => {
+  beforeEach(() => {
+    requestMock.mockReset().mockResolvedValue({ ok: true });
+    stopMock.mockReset().mockResolvedValue(undefined);
+  });
+
+  it("sends to chat_id targets", async () => {
+    await sendMessageIMessage("chat_id:123", "hi");
+    const params = requestMock.mock.calls[0]?.[1] as Record<string, unknown>;
+    expect(requestMock).toHaveBeenCalledWith(
+      "send",
+      expect.any(Object),
+      expect.any(Object),
+    );
+    expect(params.chat_id).toBe(123);
+    expect(params.text).toBe("hi");
+  });
+
+  it("applies sms service prefix", async () => {
+    await sendMessageIMessage("sms:+1555", "hello");
+    const params = requestMock.mock.calls[0]?.[1] as Record<string, unknown>;
+    expect(params.service).toBe("sms");
+    expect(params.to).toBe("+1555");
+  });
+
+  it("adds file attachment with placeholder text", async () => {
+    await sendMessageIMessage("chat_id:7", "", { mediaUrl: "http://x/y.jpg" });
+    const params = requestMock.mock.calls[0]?.[1] as Record<string, unknown>;
+    expect(params.file).toBe("/tmp/imessage-media.jpg");
+    expect(params.text).toBe("<media:image>");
+  });
+});