From f824bd40127bbe2044a3b7577c4b8b9e9dccbe36 Mon Sep 17 00:00:00 2001
From: Vikhyath Mondreti <vikhyath@simstudio.ai>
Date: Tue, 20 Jan 2026 21:20:51 -0800
Subject: [PATCH 1/2] fix canonical merge

---
 apps/sim/blocks/blocks/a2a.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/apps/sim/blocks/blocks/a2a.ts b/apps/sim/blocks/blocks/a2a.ts
index 86c98ac9b5..311d79ca53 100644
--- a/apps/sim/blocks/blocks/a2a.ts
+++ b/apps/sim/blocks/blocks/a2a.ts
@@ -214,6 +214,14 @@ export const A2ABlock: BlockConfig<A2AResponse> = {
     ],
     config: {
       tool: (params) => params.operation as string,
+      params: (params) => {
+        const { fileUpload, fileReference, ...rest } = params
+        const files = fileUpload || fileReference
+        return {
+          ...rest,
+          ...(files ? { files } : {}),
+        }
+      },
     },
   },
   inputs: {

From 587c1c2f527d554b9e865fc9a73d551e124a634e Mon Sep 17 00:00:00 2001
From: Vikhyath Mondreti <vikhyath@simstudio.ai>
Date: Tue, 20 Jan 2026 21:38:34 -0800
Subject: [PATCH 2/2] fix empty array case

---
 apps/sim/blocks/blocks/a2a.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/apps/sim/blocks/blocks/a2a.ts b/apps/sim/blocks/blocks/a2a.ts
index 311d79ca53..a042c55ecb 100644
--- a/apps/sim/blocks/blocks/a2a.ts
+++ b/apps/sim/blocks/blocks/a2a.ts
@@ -216,7 +216,8 @@ export const A2ABlock: BlockConfig<A2AResponse> = {
       tool: (params) => params.operation as string,
       params: (params) => {
         const { fileUpload, fileReference, ...rest } = params
-        const files = fileUpload || fileReference
+        const hasFileUpload = Array.isArray(fileUpload) ? fileUpload.length > 0 : !!fileUpload
+        const files = hasFileUpload ? fileUpload : fileReference
         return {
           ...rest,
           ...(files ? { files } : {}),