diff --git a/src/cron/isolated-agent/delivery-dispatch.error-guard.test.ts b/src/cron/isolated-agent/delivery-dispatch.error-guard.test.ts
index 0df33d927e4..34ff372a75c 100644
--- a/src/cron/isolated-agent/delivery-dispatch.error-guard.test.ts
+++ b/src/cron/isolated-agent/delivery-dispatch.error-guard.test.ts
@@ -320,6 +320,22 @@ describe("dispatchCronDelivery — error output guard", () => {
     expect(deliverOutboundPayloads).not.toHaveBeenCalled();
   });
 
+  it("allows delivery when synthesizedText has error but deliveryPayloads has valid content", async () => {
+    const errorJson = JSON.stringify({
+      type: "error",
+      error: { type: "server_error", message: "fail" },
+    });
+    const params = makeBaseParams({ synthesizedText: errorJson });
+    // Override with valid structured payload — delivery path prefers these
+    params.deliveryPayloads = [{ text: "Your weekly report is attached." }];
+    const state = await dispatchCronDelivery(params);
+
+    // Valid payloads take priority; error in synthesizedText should not
+    // suppress delivery of non-error payload content.
+    expect(state.delivered).toBe(true);
+    expect(deliverOutboundPayloads).toHaveBeenCalledTimes(1);
+  });
+
   it("preserves shared-delivery flags when skipMessagingToolDelivery is true", async () => {
     const errorJson = JSON.stringify({
       type: "error",
diff --git a/src/cron/isolated-agent/delivery-dispatch.ts b/src/cron/isolated-agent/delivery-dispatch.ts
index 41248c992c7..93f652ea479 100644
--- a/src/cron/isolated-agent/delivery-dispatch.ts
+++ b/src/cron/isolated-agent/delivery-dispatch.ts
@@ -323,14 +323,17 @@ export async function dispatchCronDelivery(
   // Guard: never deliver raw error output (provider JSON errors, runtime
   // exceptions) to user-facing channels. The error is still logged internally
   // and visible via `cron runs`, but should not be posted to channels.
-  // Check both synthesizedText and deliveryPayloads — the delivery path
-  // prefers deliveryPayloads when non-empty, so error text arriving there
-  // would bypass a synthesizedText-only guard.
+  //
+  // The delivery path prefers deliveryPayloads when non-empty, so we only
+  // suppress based on synthesizedText when there are no valid payloads that
+  // would take priority (e.g., media or structured content).  When payloads
+  // exist, we check whether ALL of them contain error text instead.
   // See: https://github.com/openclaw/openclaw/issues/42243
-  const errorInSynthesized = synthesizedText && isLikelyRawErrorOutput(synthesizedText);
+  const hasActivePayloads = deliveryPayloads.length > 0;
+  const errorInSynthesized =
+    !hasActivePayloads && synthesizedText && isLikelyRawErrorOutput(synthesizedText);
   const errorInPayloads =
-    !errorInSynthesized &&
-    deliveryPayloads.length > 0 &&
+    hasActivePayloads &&
     deliveryPayloads.every((p) => typeof p.text === "string" && isLikelyRawErrorOutput(p.text));
   if (errorInSynthesized || errorInPayloads) {
     const source = errorInSynthesized ? "synthesizedText" : "deliveryPayloads";