fix: clear error state when navigating generation carousel

Error overlay persisted on nodes when cycling through history to
previous successful generations. Now resets status/error on carousel
navigation in image, video, and audio generation nodes.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/components/nodes/GenerateAudioNode.tsx

@@ -160,6 +160,8 @@ export function GenerateAudioNode({ id, data, selected }: NodeProps<GenerateAudi
       updateNodeData(id, {
         outputAudio: audio,
         selectedAudioHistoryIndex: newIndex,
+        status: "idle",
+        error: null,
       });
     }
   }, [id, nodeData.audioHistory, nodeData.selectedAudioHistoryIndex, isLoadingCarouselAudio, loadAudioById, updateNodeData]);
@@ -180,6 +182,8 @@ export function GenerateAudioNode({ id, data, selected }: NodeProps<GenerateAudi
       updateNodeData(id, {
         outputAudio: audio,
         selectedAudioHistoryIndex: newIndex,
+        status: "idle",
+        error: null,
       });
     }
   }, [id, nodeData.audioHistory, nodeData.selectedAudioHistoryIndex, isLoadingCarouselAudio, loadAudioById, updateNodeData]);

src/components/nodes/GenerateImageNode.tsx

@@ -357,6 +357,8 @@ export function GenerateImageNode({ id, data, selected }: NodeProps<NanoBananaNo
       updateNodeData(id, {
         outputImage: image,
         selectedHistoryIndex: newIndex,
+        status: "idle",
+        error: null,
       });
     }
   }, [id, nodeData.imageHistory, nodeData.selectedHistoryIndex, isLoadingCarouselImage, loadImageById, updateNodeData]);
@@ -377,6 +379,8 @@ export function GenerateImageNode({ id, data, selected }: NodeProps<NanoBananaNo
       updateNodeData(id, {
         outputImage: image,
         selectedHistoryIndex: newIndex,
+        status: "idle",
+        error: null,
       });
     }
   }, [id, nodeData.imageHistory, nodeData.selectedHistoryIndex, isLoadingCarouselImage, loadImageById, updateNodeData]);

src/components/nodes/GenerateVideoNode.tsx

@@ -274,6 +274,8 @@ export function GenerateVideoNode({ id, data, selected }: NodeProps<GenerateVide
       updateNodeData(id, {
         outputVideo: video,
         selectedVideoHistoryIndex: newIndex,
+        status: "idle",
+        error: null,
       });
     }
   }, [id, nodeData.videoHistory, nodeData.selectedVideoHistoryIndex, isLoadingCarouselVideo, loadVideoById, updateNodeData]);
@@ -294,6 +296,8 @@ export function GenerateVideoNode({ id, data, selected }: NodeProps<GenerateVide
       updateNodeData(id, {
         outputVideo: video,
         selectedVideoHistoryIndex: newIndex,
+        status: "idle",
+        error: null,
       });
     }
   }, [id, nodeData.videoHistory, nodeData.selectedVideoHistoryIndex, isLoadingCarouselVideo, loadVideoById, updateNodeData]);