fix: normalize pairing aliases and webhook guard (#991) (thanks @longmaba)

src/cli/pairing-cli.test.ts

@@ -8,10 +8,16 @@ const pairingIdLabels: Record<string, string> = {
   telegram: "telegramUserId",
   discord: "discordUserId",
 };
+const normalizeChannelId = vi.fn((raw: string) => {
+  if (!raw) return null;
+  if (raw === "imsg") return "imessage";
+  if (["telegram", "discord", "imessage"].includes(raw)) return raw;
+  return null;
+});
 const getPairingAdapter = vi.fn((channel: string) => ({
   idLabel: pairingIdLabels[channel] ?? "userId",
 }));
-const listPairingChannels = vi.fn(() => ["telegram", "discord"]);
+const listPairingChannels = vi.fn(() => ["telegram", "discord", "imessage"]);
 
 vi.mock("../pairing/pairing-store.js", () => ({
   listChannelPairingRequests,
@@ -24,6 +30,10 @@ vi.mock("../channels/plugins/pairing.js", () => ({
   getPairingAdapter,
 }));
 
+vi.mock("../channels/plugins/index.js", () => ({
+  normalizeChannelId,
+}));
+
 vi.mock("../config/config.js", () => ({
   loadConfig: vi.fn().mockReturnValue({}),
 }));
@@ -63,6 +73,32 @@ describe("pairing cli", () => {
     expect(listChannelPairingRequests).toHaveBeenCalledWith("telegram");
   });
 
+  it("normalizes channel aliases", async () => {
+    const { registerPairingCli } = await import("./pairing-cli.js");
+    listChannelPairingRequests.mockResolvedValueOnce([]);
+
+    const program = new Command();
+    program.name("test");
+    registerPairingCli(program);
+    await program.parseAsync(["pairing", "list", "imsg"], { from: "user" });
+
+    expect(normalizeChannelId).toHaveBeenCalledWith("imsg");
+    expect(listChannelPairingRequests).toHaveBeenCalledWith("imessage");
+  });
+
+  it("accepts extension channels outside the registry", async () => {
+    const { registerPairingCli } = await import("./pairing-cli.js");
+    listChannelPairingRequests.mockResolvedValueOnce([]);
+
+    const program = new Command();
+    program.name("test");
+    registerPairingCli(program);
+    await program.parseAsync(["pairing", "list", "zalo"], { from: "user" });
+
+    expect(normalizeChannelId).toHaveBeenCalledWith("zalo");
+    expect(listChannelPairingRequests).toHaveBeenCalledWith("zalo");
+  });
+
   it("labels Discord ids as discordUserId", async () => {
     const { registerPairingCli } = await import("./pairing-cli.js");
     listChannelPairingRequests.mockResolvedValueOnce([