From c801a0c8548fa127b890be99adaa420e7726d254 Mon Sep 17 00:00:00 2001
From: Chenlei Hu <huchenlei@proton.me>
Date: Thu, 10 Apr 2025 14:19:54 -0400
Subject: [PATCH] Attach frontend version metadata on workflow export (#3386)

---
 src/schemas/comfyWorkflowSchema.ts | 1 +
 src/utils/executionUtil.ts         | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/src/schemas/comfyWorkflowSchema.ts b/src/schemas/comfyWorkflowSchema.ts
index 2b67dcf0c7..74f7c7a8d0 100644
--- a/src/schemas/comfyWorkflowSchema.ts
+++ b/src/schemas/comfyWorkflowSchema.ts
@@ -224,6 +224,7 @@ const zConfig = z
 const zExtra = z
   .object({
     ds: zDS.optional(),
+    frontendVersion: z.string().optional(),
     linkExtensions: z.array(zComfyLinkExtension).optional(),
     reroutes: z.array(zReroute).optional()
   })
diff --git a/src/utils/executionUtil.ts b/src/utils/executionUtil.ts
index 018e3b1c07..b630be5398 100644
--- a/src/utils/executionUtil.ts
+++ b/src/utils/executionUtil.ts
@@ -41,6 +41,8 @@ export const graphToPrompt = async (
   }
 
   compressWidgetInputSlots(workflow)
+  workflow.extra ??= {}
+  workflow.extra.frontendVersion = __COMFYUI_FRONTEND_VERSION__
 
   const output: ComfyApiWorkflow = {}
   // Process nodes in order of execution