diff --git a/packages/dashboard/app/components/__tests__/ChatView.autosize.test.tsx b/packages/dashboard/app/components/__tests__/ChatView.autosize.test.tsx
index 694987746d..cbe9a45cfb 100644
--- a/packages/dashboard/app/components/__tests__/ChatView.autosize.test.tsx
+++ b/packages/dashboard/app/components/__tests__/ChatView.autosize.test.tsx
@@ -155,7 +155,9 @@ describe("ChatView composer autosize", () => {
     await userEvent.click(screen.getAllByTestId("chat-send-btn")[0]);
 
     await waitFor(() => {
-      expect(sendMessage).toHaveBeenCalledWith("line one\nline two\nline three", []);
+      // FNXC:ChatAttachments 2026-07-23-23:59:
+      // FN-8502 (1cd06746f) added the delivery-callback bag as sendMessage's third argument.
+      expect(sendMessage).toHaveBeenCalledWith("line one\nline two\nline three", [], expect.objectContaining({ onDelivered: expect.any(Function), onFailed: expect.any(Function) }));
       expect(textarea).toHaveValue("");
       const resetHeight = Number.parseInt(textarea.style.height, 10);
       expect(resetHeight).toBeLessThan(expandedHeight);
diff --git a/packages/dashboard/app/components/__tests__/ChatView.draft.test.tsx b/packages/dashboard/app/components/__tests__/ChatView.draft.test.tsx
index 9830c65db2..8639d4e047 100644
--- a/packages/dashboard/app/components/__tests__/ChatView.draft.test.tsx
+++ b/packages/dashboard/app/components/__tests__/ChatView.draft.test.tsx
@@ -200,7 +200,9 @@ describe("ChatView draft persistence", () => {
     await userEvent.click(screen.getAllByTestId("chat-send-btn")[0]);
 
     await waitFor(() => {
-      expect(sendMessage).toHaveBeenCalledWith("send me", []);
+      // FNXC:ChatAttachments 2026-07-23-23:59:
+      // FN-8502 (1cd06746f) added the delivery-callback bag as sendMessage's third argument.
+      expect(sendMessage).toHaveBeenCalledWith("send me", [], expect.objectContaining({ onDelivered: expect.any(Function), onFailed: expect.any(Function) }));
       expect(screen.getByPlaceholderText("Type a message...")).toHaveValue("");
       expect(localStorage.getItem("fusion:chat-draft:direct:session-001")).toBeNull();
     });