diff --git a/components/agents/AgentGenerationWorkspaceDarkV2.tsx b/components/agents/AgentGenerationWorkspaceDarkV2.tsx
index dcce03a97..074f6adf1 100644
--- a/components/agents/AgentGenerationWorkspaceDarkV2.tsx
+++ b/components/agents/AgentGenerationWorkspaceDarkV2.tsx
@@ -2487,6 +2487,9 @@ export function AgentGenerationWorkspaceDarkV2({
       const current = resolvedAgentModeState.detailReplacement;
       const nextDetailReplacement =
         typeof updater === "function" ? updater(current) : { ...current, ...updater };
+      if (nextDetailReplacement === current) {
+        return;
+      }
       emitAgentModeState({
         ...resolvedAgentModeState,
         detailReplacement: nextDetailReplacement,
@@ -2503,6 +2506,9 @@ export function AgentGenerationWorkspaceDarkV2({
       const current = resolvedAgentModeState.skuReplacement;
       const nextSkuReplacement =
         typeof updater === "function" ? updater(current) : { ...current, ...updater };
+      if (nextSkuReplacement === current) {
+        return;
+      }
       emitAgentModeState({
         ...resolvedAgentModeState,
         skuReplacement: nextSkuReplacement,
@@ -4203,7 +4209,7 @@ export function AgentGenerationWorkspaceDarkV2({
             </motion.section>
           ) : null}
 
-          {isDetailReplacementPreset ? (
+          {isDetailReplacementPreset && !isDetailAiGenerationMethod ? (
             <AgentDetailReferenceStitchDialog
               open={detailReferenceStitchDialogOpen}
               onOpenChange={setDetailReferenceStitchDialogOpen}
@@ -4357,7 +4363,9 @@ export function AgentGenerationWorkspaceDarkV2({
               </div>
             </div>
 
-            {isDetailReplacementPreset && activeResultModeType === currentResultModeType ? (
+            {isDetailReplacementPreset &&
+            !isDetailAiGenerationMethod &&
+            activeResultModeType === currentResultModeType ? (
               <div className="grid flex-1 min-h-0 grid-cols-1 gap-0 xl:grid-cols-[320px_repeat(2,minmax(0,1fr))]">
                 <div className="border-b border-white/10 p-4 xl:border-b-0 xl:border-r">
                   <div className="mb-3 flex items-center justify-between">