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 0ee64e789fc..c82ee2015eb 100644
--- a/src/cron/isolated-agent.direct-delivery-forum-topics.test.ts
+++ b/src/cron/isolated-agent.direct-delivery-forum-topics.test.ts
@@ -61,4 +61,46 @@ describe("runCronIsolatedAgentTurn forum topic delivery", () => {
       });
     });
   });
+
+  it('suppresses exact "NO_REPLY" for plain announce delivery', async () => {
+    await withTempCronHome(async (home) => {
+      const storePath = await writeSessionStore(home, { lastProvider: "webchat", lastTo: "" });
+      const deps = createCliDeps();
+      mockAgentPayloads([{ text: "NO_REPLY" }]);
+
+      const res = await runTelegramAnnounceTurn({
+        home,
+        storePath,
+        deps,
+        delivery: { mode: "announce", channel: "telegram", to: "123" },
+      });
+
+      expect(res.status).toBe("ok");
+      expect(res.delivered).toBe(false);
+      expect(res.deliveryAttempted).toBe(true);
+      expect(runSubagentAnnounceFlow).not.toHaveBeenCalled();
+      expect(deps.sendMessageTelegram).not.toHaveBeenCalled();
+    });
+  });
+
+  it('suppresses exact "NO_REPLY" for forum-topic announce delivery', async () => {
+    await withTempCronHome(async (home) => {
+      const storePath = await writeSessionStore(home, { lastProvider: "webchat", lastTo: "" });
+      const deps = createCliDeps();
+      mockAgentPayloads([{ text: "NO_REPLY" }]);
+
+      const res = await runTelegramAnnounceTurn({
+        home,
+        storePath,
+        deps,
+        delivery: { mode: "announce", channel: "telegram", to: "123:topic:42" },
+      });
+
+      expect(res.status).toBe("ok");
+      expect(res.delivered).toBe(false);
+      expect(res.deliveryAttempted).toBe(true);
+      expect(runSubagentAnnounceFlow).not.toHaveBeenCalled();
+      expect(deps.sendMessageTelegram).not.toHaveBeenCalled();
+    });
+  });
 });
diff --git a/src/cron/isolated-agent/delivery-dispatch.ts b/src/cron/isolated-agent/delivery-dispatch.ts
index aea9174d721..d4f056e1a12 100644
--- a/src/cron/isolated-agent/delivery-dispatch.ts
+++ b/src/cron/isolated-agent/delivery-dispatch.ts
@@ -112,6 +112,24 @@ export type DispatchCronDeliveryState = {
   deliveryPayloads: ReplyPayload[];
 };
 
+function isDirectSilentReplyOnly(payloads: readonly ReplyPayload[]): boolean {
+  if (payloads.length !== 1) {
+    return false;
+  }
+  const [payload] = payloads;
+  if (!payload || !isSilentReplyText(payload.text, SILENT_REPLY_TOKEN)) {
+    return false;
+  }
+  return !(
+    payload.mediaUrl ||
+    (payload.mediaUrls?.length ?? 0) > 0 ||
+    payload.interactive ||
+    payload.btw ||
+    payload.audioAsVoice === true ||
+    Object.keys(payload.channelData ?? {}).length > 0
+  );
+}
+
 const TRANSIENT_DIRECT_CRON_DELIVERY_ERROR_PATTERNS: readonly RegExp[] = [
   /\berrorcode=unavailable\b/i,
   /\bstatus\s*[:=]\s*"?unavailable\b/i,
@@ -340,6 +358,18 @@ export async function dispatchCronDelivery(
       if (payloadsForDelivery.length === 0) {
         return null;
       }
+      if (isDirectSilentReplyOnly(payloadsForDelivery)) {
+        deliveryAttempted = true;
+        delivered = false;
+        return params.withRunSession({
+          status: "ok",
+          summary,
+          outputText,
+          delivered: false,
+          deliveryAttempted: true,
+          ...params.telemetry,
+        });
+      }
       if (params.isAborted()) {
         return params.withRunSession({
           status: "error",