diff --git a/src/cron/isolated-agent.direct-delivery-core-channels.test.ts b/src/cron/isolated-agent.direct-delivery-core-channels.test.ts
index 623e358c851..9fb54c41575 100644
--- a/src/cron/isolated-agent.direct-delivery-core-channels.test.ts
+++ b/src/cron/isolated-agent.direct-delivery-core-channels.test.ts
@@ -6,7 +6,12 @@ import type { CliDeps } from "../cli/deps.js";
 import { resolveOutboundSendDep } from "../infra/outbound/send-deps.js";
 import { setActivePluginRegistry } from "../plugins/runtime.js";
 import { createOutboundTestPlugin, createTestRegistry } from "../test-utils/channel-plugins.js";
-import { createCliDeps, mockAgentPayloads } from "./isolated-agent.delivery.test-helpers.js";
+import {
+  createCliDeps,
+  expectDirectTelegramDelivery,
+  mockAgentPayloads,
+  runTelegramAnnounceTurn,
+} from "./isolated-agent.delivery.test-helpers.js";
 import { runCronIsolatedAgentTurn } from "./isolated-agent.js";
 import {
   makeCfg,
@@ -175,6 +180,48 @@ const identityResolveTarget: ChannelOutboundAdapter["resolveTarget"] = ({ to })
     : { ok: false, error: new Error("target is required") };
 };
 
+function makeRunMeta(finalAssistantVisibleText: string) {
+  return {
+    durationMs: 5,
+    agentMeta: { sessionId: "s", provider: "p", model: "m" },
+    finalAssistantVisibleText,
+  };
+}
+
+async function expectTelegramAnnounceDelivery({
+  expected,
+  meta,
+  payloads,
+  to,
+}: {
+  expected: Parameters<typeof expectDirectTelegramDelivery>[1];
+  meta?: Parameters<typeof mockAgentPayloads>[1];
+  payloads: Parameters<typeof mockAgentPayloads>[0];
+  to: string;
+}): Promise<void> {
+  await withTempCronHome(async (home) => {
+    const storePath = await writeSessionStore(home, { lastProvider: "webchat", lastTo: "" });
+    const deps = createCliDeps();
+    if (meta) {
+      mockAgentPayloads(payloads, meta);
+    } else {
+      mockAgentPayloads(payloads);
+    }
+
+    const res = await runTelegramAnnounceTurn({
+      home,
+      storePath,
+      deps,
+      delivery: { mode: "announce", channel: "telegram", to },
+    });
+
+    expect(res.status).toBe("ok");
+    expect(res.delivered).toBe(true);
+    expect(runSubagentAnnounceFlow).not.toHaveBeenCalled();
+    expectDirectTelegramDelivery(deps, expected);
+  });
+}
+
 describe("runCronIsolatedAgentTurn core-channel direct delivery", () => {
   beforeEach(() => {
     setupIsolatedAgentTurnMocks({ fast: true });
@@ -266,3 +313,61 @@ describe("runCronIsolatedAgentTurn core-channel direct delivery", () => {
     });
   }
 });
+
+describe("runCronIsolatedAgentTurn telegram forum-topic direct delivery", () => {
+  beforeEach(() => {
+    setupIsolatedAgentTurnMocks();
+  });
+
+  it("routes forum-topic telegram targets through the correct delivery path", async () => {
+    await expectTelegramAnnounceDelivery({
+      to: "123:topic:42",
+      payloads: [{ text: "forum message" }],
+      expected: {
+        chatId: "123",
+        text: "forum message",
+        messageThreadId: 42,
+      },
+    });
+  });
+
+  it("delivers only the final assistant-visible text to forum-topic telegram targets", async () => {
+    await expectTelegramAnnounceDelivery({
+      to: "123:topic:42",
+      payloads: [
+        { text: "section 1" },
+        { text: "temporary error", isError: true },
+        { text: "section 2" },
+      ],
+      meta: { meta: makeRunMeta("section 1\nsection 2") },
+      expected: {
+        chatId: "123",
+        text: "section 1\nsection 2",
+        messageThreadId: 42,
+      },
+    });
+  });
+
+  it("routes plain telegram targets through the correct delivery path", async () => {
+    await expectTelegramAnnounceDelivery({
+      to: "123",
+      payloads: [{ text: "plain message" }],
+      expected: {
+        chatId: "123",
+        text: "plain message",
+      },
+    });
+  });
+
+  it("delivers only the final assistant-visible text to plain telegram targets", async () => {
+    await expectTelegramAnnounceDelivery({
+      to: "123",
+      payloads: [{ text: "Working on it..." }, { text: "Final weather summary" }],
+      meta: { meta: makeRunMeta("Final weather summary") },
+      expected: {
+        chatId: "123",
+        text: "Final weather summary",
+      },
+    });
+  });
+});
diff --git a/src/cron/isolated-agent.direct-delivery-forum-topics.test.ts b/src/cron/isolated-agent.direct-delivery-forum-topics.test.ts
deleted file mode 100644
index 7d8457d658b..00000000000
--- a/src/cron/isolated-agent.direct-delivery-forum-topics.test.ts
+++ /dev/null
@@ -1,111 +0,0 @@
-import "./isolated-agent.mocks.js";
-import { beforeEach, describe, expect, it } from "vitest";
-import { runSubagentAnnounceFlow } from "../agents/subagent-announce.js";
-import {
-  createCliDeps,
-  expectDirectTelegramDelivery,
-  mockAgentPayloads,
-  runTelegramAnnounceTurn,
-} from "./isolated-agent.delivery.test-helpers.js";
-import { withTempCronHome, writeSessionStore } from "./isolated-agent.test-harness.js";
-import { setupIsolatedAgentTurnMocks } from "./isolated-agent.test-setup.js";
-
-function makeRunMeta(finalAssistantVisibleText: string) {
-  return {
-    durationMs: 5,
-    agentMeta: { sessionId: "s", provider: "p", model: "m" },
-    finalAssistantVisibleText,
-  };
-}
-
-async function expectTelegramAnnounceDelivery({
-  expected,
-  meta,
-  payloads,
-  to,
-}: {
-  expected: Parameters<typeof expectDirectTelegramDelivery>[1];
-  meta?: Parameters<typeof mockAgentPayloads>[1];
-  payloads: Parameters<typeof mockAgentPayloads>[0];
-  to: string;
-}): Promise<void> {
-  await withTempCronHome(async (home) => {
-    const storePath = await writeSessionStore(home, { lastProvider: "webchat", lastTo: "" });
-    const deps = createCliDeps();
-    if (meta) {
-      mockAgentPayloads(payloads, meta);
-    } else {
-      mockAgentPayloads(payloads);
-    }
-
-    const res = await runTelegramAnnounceTurn({
-      home,
-      storePath,
-      deps,
-      delivery: { mode: "announce", channel: "telegram", to },
-    });
-
-    expect(res.status).toBe("ok");
-    expect(res.delivered).toBe(true);
-    expect(runSubagentAnnounceFlow).not.toHaveBeenCalled();
-    expectDirectTelegramDelivery(deps, expected);
-  });
-}
-
-describe("runCronIsolatedAgentTurn forum topic delivery", () => {
-  beforeEach(() => {
-    setupIsolatedAgentTurnMocks();
-  });
-
-  it("routes forum-topic telegram targets through the correct delivery path", async () => {
-    await expectTelegramAnnounceDelivery({
-      to: "123:topic:42",
-      payloads: [{ text: "forum message" }],
-      expected: {
-        chatId: "123",
-        text: "forum message",
-        messageThreadId: 42,
-      },
-    });
-  });
-
-  it("delivers only the final assistant-visible text to forum-topic telegram targets", async () => {
-    await expectTelegramAnnounceDelivery({
-      to: "123:topic:42",
-      payloads: [
-        { text: "section 1" },
-        { text: "temporary error", isError: true },
-        { text: "section 2" },
-      ],
-      meta: { meta: makeRunMeta("section 1\nsection 2") },
-      expected: {
-        chatId: "123",
-        text: "section 1\nsection 2",
-        messageThreadId: 42,
-      },
-    });
-  });
-
-  it("routes plain telegram targets through the correct delivery path", async () => {
-    await expectTelegramAnnounceDelivery({
-      to: "123",
-      payloads: [{ text: "plain message" }],
-      expected: {
-        chatId: "123",
-        text: "plain message",
-      },
-    });
-  });
-
-  it("delivers only the final assistant-visible text to plain telegram targets", async () => {
-    await expectTelegramAnnounceDelivery({
-      to: "123",
-      payloads: [{ text: "Working on it..." }, { text: "Final weather summary" }],
-      meta: { meta: makeRunMeta("Final weather summary") },
-      expected: {
-        chatId: "123",
-        text: "Final weather summary",
-      },
-    });
-  });
-});