From b62926cf6ef780d3f9cf1ccb1f052aea3bf462e8 Mon Sep 17 00:00:00 2001
From: Your Name <your.email@example.com>
Date: Wed, 25 Mar 2026 17:33:11 +0800
Subject: [PATCH] fix: prevent ai detail sync render loop

---
 .../agents/AgentGenerationWorkspaceDarkV2.tsx | 45 +++++++++++++++++--
 1 file changed, 42 insertions(+), 3 deletions(-)

diff --git a/components/agents/AgentGenerationWorkspaceDarkV2.tsx b/components/agents/AgentGenerationWorkspaceDarkV2.tsx
index ca178bc1c..d0a97d0d2 100644
--- a/components/agents/AgentGenerationWorkspaceDarkV2.tsx
+++ b/components/agents/AgentGenerationWorkspaceDarkV2.tsx
@@ -236,6 +236,36 @@ function arePickedAttachmentsEqual(
   return true;
 }
 
+function areAttachmentValuesEqual(
+  left:
+    | PickedAttachment
+    | {
+        url?: string | null;
+        name?: string | null;
+        contentType?: string | null;
+        assetId?: string | null;
+      }
+    | null
+    | undefined,
+  right:
+    | PickedAttachment
+    | {
+        url?: string | null;
+        name?: string | null;
+        contentType?: string | null;
+        assetId?: string | null;
+      }
+    | null
+    | undefined
+) {
+  return (
+    String(left?.url || "").trim() === String(right?.url || "").trim() &&
+    String(left?.name || "").trim() === String(right?.name || "").trim() &&
+    String(left?.contentType || "").trim() === String(right?.contentType || "").trim() &&
+    String(left?.assetId || "").trim() === String(right?.assetId || "").trim()
+  );
+}
+
 function mergePersistedHistoryMessages(
   currentMessages: ChatMessage[],
   persistedMessages: ChatMessage[]
@@ -2639,7 +2669,10 @@ export function AgentGenerationWorkspaceDarkV2({
             contentType: attachment.contentType || "image/jpeg",
             assetId: attachment.assetId || null,
           };
-          if (!currentSlot || currentIsPreviousAutoSelection) {
+          if (
+            (!currentSlot || currentIsPreviousAutoSelection) &&
+            !areAttachmentValuesEqual(currentSlot, nextAttachment)
+          ) {
             nextSlots[slotIndex] = nextAttachment;
             changed = true;
           }
@@ -2667,7 +2700,10 @@ export function AgentGenerationWorkspaceDarkV2({
           contentType: selectedModelAttachment.contentType || "image/jpeg",
           assetId: selectedModelAttachment.assetId || null,
         };
-        if (!currentSlot || currentIsPreviousAutoSelection) {
+        if (
+          (!currentSlot || currentIsPreviousAutoSelection) &&
+          !areAttachmentValuesEqual(currentSlot, nextAttachment)
+        ) {
           nextSlots[AGENT_DETAIL_MODEL_SLOT_INDEX] = nextAttachment;
           changed = true;
         }
@@ -2701,7 +2737,10 @@ export function AgentGenerationWorkspaceDarkV2({
             contentType: image.mimeType || "image/jpeg",
             assetId: image.assetId || null,
           };
-          if (!currentSlot || currentIsPreviousAutoSelection) {
+          if (
+            (!currentSlot || currentIsPreviousAutoSelection) &&
+            !areAttachmentValuesEqual(currentSlot, nextAttachment)
+          ) {
             nextSlots[slotIndex] = nextAttachment;
             changed = true;
           }