fix: normalize delivery routing context

Co-authored-by: adam91holt <adam91holt@users.noreply.github.com>

src/commands/agent.delivery.test.ts

@@ -20,9 +20,15 @@ vi.mock("../infra/outbound/deliver.js", () => ({
   deliverOutboundPayloads: mocks.deliverOutboundPayloads,
 }));
 
-vi.mock("../infra/outbound/targets.js", () => ({
-  resolveOutboundTarget: mocks.resolveOutboundTarget,
-}));
+vi.mock("../infra/outbound/targets.js", async () => {
+  const actual = await vi.importActual<typeof import("../infra/outbound/targets.js")>(
+    "../infra/outbound/targets.js",
+  );
+  return {
+    ...actual,
+    resolveOutboundTarget: mocks.resolveOutboundTarget,
+  };
+});
 
 describe("deliverAgentCommandResult", () => {
   beforeEach(() => {
@@ -178,4 +184,39 @@ describe("deliverAgentCommandResult", () => {
       expect.objectContaining({ accountId: undefined, channel: "whatsapp" }),
     );
   });
+
+  it("uses session last channel when none is provided", async () => {
+    const cfg = {} as ClawdbotConfig;
+    const deps = {} as CliDeps;
+    const runtime = {
+      log: vi.fn(),
+      error: vi.fn(),
+    } as unknown as RuntimeEnv;
+    const sessionEntry = {
+      lastChannel: "telegram",
+      lastTo: "123",
+    } as SessionEntry;
+    const result = {
+      payloads: [{ text: "hi" }],
+      meta: {},
+    };
+
+    const { deliverAgentCommandResult } = await import("./agent/delivery.js");
+    await deliverAgentCommandResult({
+      cfg,
+      deps,
+      runtime,
+      opts: {
+        message: "hello",
+        deliver: true,
+      },
+      sessionEntry,
+      result,
+      payloads: result.payloads,
+    });
+
+    expect(mocks.resolveOutboundTarget).toHaveBeenCalledWith(
+      expect.objectContaining({ channel: "telegram", to: "123" }),
+    );
+  });
 });