diff --git a/src/cli/deps.ts b/src/cli/deps.ts
index a3c3c72ac49..327da49b4cc 100644
--- a/src/cli/deps.ts
+++ b/src/cli/deps.ts
@@ -5,6 +5,7 @@ import type { OutboundSendDeps } from "../infra/outbound/deliver.js";
 import type { sendMessageSignal } from "../signal/send.js";
 import type { sendMessageSlack } from "../slack/send.js";
 import type { sendMessageTelegram } from "../telegram/send.js";
+import { createOutboundSendDepsFromCliSource } from "./outbound-send-mapping.js";
 
 export type CliDeps = {
   sendMessageWhatsApp: typeof sendMessageWhatsApp;
@@ -44,16 +45,8 @@ export function createDefaultDeps(): CliDeps {
   };
 }
 
-// Provider docking: extend this mapping when adding new outbound send deps.
 export function createOutboundSendDeps(deps: CliDeps): OutboundSendDeps {
-  return {
-    sendWhatsApp: deps.sendMessageWhatsApp,
-    sendTelegram: deps.sendMessageTelegram,
-    sendDiscord: deps.sendMessageDiscord,
-    sendSlack: deps.sendMessageSlack,
-    sendSignal: deps.sendMessageSignal,
-    sendIMessage: deps.sendMessageIMessage,
-  };
+  return createOutboundSendDepsFromCliSource(deps);
 }
 
 export { logWebSelfId } from "../web/auth-store.js";
diff --git a/src/cli/outbound-send-deps.ts b/src/cli/outbound-send-deps.ts
index 242bc15dee7..81d7211bf9f 100644
--- a/src/cli/outbound-send-deps.ts
+++ b/src/cli/outbound-send-deps.ts
@@ -1,22 +1,11 @@
 import type { OutboundSendDeps } from "../infra/outbound/deliver.js";
+import {
+  createOutboundSendDepsFromCliSource,
+  type CliOutboundSendSource,
+} from "./outbound-send-mapping.js";
 
-export type CliDeps = {
-  sendMessageWhatsApp: NonNullable<OutboundSendDeps["sendWhatsApp"]>;
-  sendMessageTelegram: NonNullable<OutboundSendDeps["sendTelegram"]>;
-  sendMessageDiscord: NonNullable<OutboundSendDeps["sendDiscord"]>;
-  sendMessageSlack: NonNullable<OutboundSendDeps["sendSlack"]>;
-  sendMessageSignal: NonNullable<OutboundSendDeps["sendSignal"]>;
-  sendMessageIMessage: NonNullable<OutboundSendDeps["sendIMessage"]>;
-};
+export type CliDeps = Required<CliOutboundSendSource>;
 
-// Provider docking: extend this mapping when adding new outbound send deps.
 export function createOutboundSendDeps(deps: CliDeps): OutboundSendDeps {
-  return {
-    sendWhatsApp: deps.sendMessageWhatsApp,
-    sendTelegram: deps.sendMessageTelegram,
-    sendDiscord: deps.sendMessageDiscord,
-    sendSlack: deps.sendMessageSlack,
-    sendSignal: deps.sendMessageSignal,
-    sendIMessage: deps.sendMessageIMessage,
-  };
+  return createOutboundSendDepsFromCliSource(deps);
 }
diff --git a/src/cli/outbound-send-mapping.test.ts b/src/cli/outbound-send-mapping.test.ts
new file mode 100644
index 00000000000..0b31e21b299
--- /dev/null
+++ b/src/cli/outbound-send-mapping.test.ts
@@ -0,0 +1,29 @@
+import { describe, expect, it, vi } from "vitest";
+import {
+  createOutboundSendDepsFromCliSource,
+  type CliOutboundSendSource,
+} from "./outbound-send-mapping.js";
+
+describe("createOutboundSendDepsFromCliSource", () => {
+  it("maps CLI send deps to outbound send deps", () => {
+    const deps: CliOutboundSendSource = {
+      sendMessageWhatsApp: vi.fn() as CliOutboundSendSource["sendMessageWhatsApp"],
+      sendMessageTelegram: vi.fn() as CliOutboundSendSource["sendMessageTelegram"],
+      sendMessageDiscord: vi.fn() as CliOutboundSendSource["sendMessageDiscord"],
+      sendMessageSlack: vi.fn() as CliOutboundSendSource["sendMessageSlack"],
+      sendMessageSignal: vi.fn() as CliOutboundSendSource["sendMessageSignal"],
+      sendMessageIMessage: vi.fn() as CliOutboundSendSource["sendMessageIMessage"],
+    };
+
+    const outbound = createOutboundSendDepsFromCliSource(deps);
+
+    expect(outbound).toEqual({
+      sendWhatsApp: deps.sendMessageWhatsApp,
+      sendTelegram: deps.sendMessageTelegram,
+      sendDiscord: deps.sendMessageDiscord,
+      sendSlack: deps.sendMessageSlack,
+      sendSignal: deps.sendMessageSignal,
+      sendIMessage: deps.sendMessageIMessage,
+    });
+  });
+});
diff --git a/src/cli/outbound-send-mapping.ts b/src/cli/outbound-send-mapping.ts
new file mode 100644
index 00000000000..cf220084e3b
--- /dev/null
+++ b/src/cli/outbound-send-mapping.ts
@@ -0,0 +1,22 @@
+import type { OutboundSendDeps } from "../infra/outbound/deliver.js";
+
+export type CliOutboundSendSource = {
+  sendMessageWhatsApp: OutboundSendDeps["sendWhatsApp"];
+  sendMessageTelegram: OutboundSendDeps["sendTelegram"];
+  sendMessageDiscord: OutboundSendDeps["sendDiscord"];
+  sendMessageSlack: OutboundSendDeps["sendSlack"];
+  sendMessageSignal: OutboundSendDeps["sendSignal"];
+  sendMessageIMessage: OutboundSendDeps["sendIMessage"];
+};
+
+// Provider docking: extend this mapping when adding new outbound send deps.
+export function createOutboundSendDepsFromCliSource(deps: CliOutboundSendSource): OutboundSendDeps {
+  return {
+    sendWhatsApp: deps.sendMessageWhatsApp,
+    sendTelegram: deps.sendMessageTelegram,
+    sendDiscord: deps.sendMessageDiscord,
+    sendSlack: deps.sendMessageSlack,
+    sendSignal: deps.sendMessageSignal,
+    sendIMessage: deps.sendMessageIMessage,
+  };
+}