diff --git a/src/cron/isolated-agent.delivery.test-helpers.ts b/src/cron/isolated-agent.delivery.test-helpers.ts
new file mode 100644
index 00000000000..be3bf03136c
--- /dev/null
+++ b/src/cron/isolated-agent.delivery.test-helpers.ts
@@ -0,0 +1,29 @@
+import { vi } from "vitest";
+import { runEmbeddedPiAgent } from "../agents/pi-embedded.js";
+import type { CliDeps } from "../cli/deps.js";
+
+export function createCliDeps(overrides: Partial<CliDeps> = {}): CliDeps {
+  return {
+    sendMessageSlack: vi.fn(),
+    sendMessageWhatsApp: vi.fn(),
+    sendMessageTelegram: vi.fn(),
+    sendMessageDiscord: vi.fn(),
+    sendMessageSignal: vi.fn(),
+    sendMessageIMessage: vi.fn(),
+    ...overrides,
+  };
+}
+
+export function mockAgentPayloads(
+  payloads: Array<Record<string, unknown>>,
+  extra: Partial<Awaited<ReturnType<typeof runEmbeddedPiAgent>>> = {},
+): void {
+  vi.mocked(runEmbeddedPiAgent).mockResolvedValue({
+    payloads,
+    meta: {
+      durationMs: 5,
+      agentMeta: { sessionId: "s", provider: "p", model: "m" },
+    },
+    ...extra,
+  });
+}
diff --git a/src/cron/isolated-agent.direct-delivery-forum-topics.test.ts b/src/cron/isolated-agent.direct-delivery-forum-topics.test.ts
index eda441b2001..a96ffdeb754 100644
--- a/src/cron/isolated-agent.direct-delivery-forum-topics.test.ts
+++ b/src/cron/isolated-agent.direct-delivery-forum-topics.test.ts
@@ -1,8 +1,7 @@
 import "./isolated-agent.mocks.js";
-import { beforeEach, describe, expect, it, vi } from "vitest";
-import { runEmbeddedPiAgent } from "../agents/pi-embedded.js";
+import { beforeEach, describe, expect, it } from "vitest";
 import { runSubagentAnnounceFlow } from "../agents/subagent-announce.js";
-import type { CliDeps } from "../cli/deps.js";
+import { createCliDeps, mockAgentPayloads } from "./isolated-agent.delivery.test-helpers.js";
 import { runCronIsolatedAgentTurn } from "./isolated-agent.js";
 import {
   makeCfg,
@@ -12,28 +11,6 @@ import {
 } from "./isolated-agent.test-harness.js";
 import { setupIsolatedAgentTurnMocks } from "./isolated-agent.test-setup.js";
 
-function createCliDeps(overrides: Partial<CliDeps> = {}): CliDeps {
-  return {
-    sendMessageSlack: vi.fn(),
-    sendMessageWhatsApp: vi.fn(),
-    sendMessageTelegram: vi.fn(),
-    sendMessageDiscord: vi.fn(),
-    sendMessageSignal: vi.fn(),
-    sendMessageIMessage: vi.fn(),
-    ...overrides,
-  };
-}
-
-function mockAgentPayloads(payloads: Array<Record<string, unknown>>) {
-  vi.mocked(runEmbeddedPiAgent).mockResolvedValue({
-    payloads,
-    meta: {
-      durationMs: 5,
-      agentMeta: { sessionId: "s", provider: "p", model: "m" },
-    },
-  });
-}
-
 describe("runCronIsolatedAgentTurn forum topic delivery", () => {
   beforeEach(() => {
     setupIsolatedAgentTurnMocks();
diff --git a/src/cron/isolated-agent.skips-delivery-without-whatsapp-recipient-besteffortdeliver-true.test.ts b/src/cron/isolated-agent.skips-delivery-without-whatsapp-recipient-besteffortdeliver-true.test.ts
index 065e5aaa3c8..3e0a30d34f4 100644
--- a/src/cron/isolated-agent.skips-delivery-without-whatsapp-recipient-besteffortdeliver-true.test.ts
+++ b/src/cron/isolated-agent.skips-delivery-without-whatsapp-recipient-besteffortdeliver-true.test.ts
@@ -1,9 +1,9 @@
 import "./isolated-agent.mocks.js";
 import fs from "node:fs/promises";
 import { beforeEach, describe, expect, it, vi } from "vitest";
-import { runEmbeddedPiAgent } from "../agents/pi-embedded.js";
 import { runSubagentAnnounceFlow } from "../agents/subagent-announce.js";
 import type { CliDeps } from "../cli/deps.js";
+import { createCliDeps, mockAgentPayloads } from "./isolated-agent.delivery.test-helpers.js";
 import { runCronIsolatedAgentTurn } from "./isolated-agent.js";
 import {
   makeCfg,
@@ -13,32 +13,6 @@ import {
 } from "./isolated-agent.test-harness.js";
 import { setupIsolatedAgentTurnMocks } from "./isolated-agent.test-setup.js";
 
-function createCliDeps(overrides: Partial<CliDeps> = {}): CliDeps {
-  return {
-    sendMessageSlack: vi.fn(),
-    sendMessageWhatsApp: vi.fn(),
-    sendMessageTelegram: vi.fn(),
-    sendMessageDiscord: vi.fn(),
-    sendMessageSignal: vi.fn(),
-    sendMessageIMessage: vi.fn(),
-    ...overrides,
-  };
-}
-
-function mockAgentPayloads(
-  payloads: Array<Record<string, unknown>>,
-  extra: Partial<Awaited<ReturnType<typeof runEmbeddedPiAgent>>> = {},
-): void {
-  vi.mocked(runEmbeddedPiAgent).mockResolvedValue({
-    payloads,
-    meta: {
-      durationMs: 5,
-      agentMeta: { sessionId: "s", provider: "p", model: "m" },
-    },
-    ...extra,
-  });
-}
-
 async function runTelegramAnnounceTurn(params: {
   home: string;
   storePath: string;