diff --git a/packages/build/src/config.ts b/packages/build/src/config.ts
index 73877b4a..0192978c 100644
--- a/packages/build/src/config.ts
+++ b/packages/build/src/config.ts
@@ -1,7 +1,7 @@
 import { join } from 'node:path'
 import { root } from './root.ts'
 
-export const threshold = 600_000
+export const threshold = 620_000
 
 export const instantiations = 200_000
 
diff --git a/packages/chat-debug-view/src/parts/HandlePreviewTextScrollBarPointerMove/HandlePreviewTextScrollBarPointerMove.ts b/packages/chat-debug-view/src/parts/HandlePreviewTextScrollBarPointerMove/HandlePreviewTextScrollBarPointerMove.ts
index 6fa90a06..f5f08a5a 100644
--- a/packages/chat-debug-view/src/parts/HandlePreviewTextScrollBarPointerMove/HandlePreviewTextScrollBarPointerMove.ts
+++ b/packages/chat-debug-view/src/parts/HandlePreviewTextScrollBarPointerMove/HandlePreviewTextScrollBarPointerMove.ts
@@ -3,16 +3,17 @@ import { getPreviewTextBodyY } from '../PreviewTextBodyY/PreviewTextBodyY.ts'
 import { getPreviewTextViewportHeight, getPreviewVirtualizationState, setPreviewTextDeltaY } from '../PreviewVirtualization/PreviewVirtualization.ts'
 
 export const handlePreviewTextScrollBarPointerMove = (state: ChatDebugViewState, eventY: number): ChatDebugViewState => {
-  if (!state.previewTextScrollBarPointerActive) {
+  const { previewTextDeltaY, previewTextScrollBarHandleOffset, previewTextScrollBarPointerActive, selectedEvent } = state
+  if (!previewTextScrollBarPointerActive) {
     return state
   }
   const viewportHeight = getPreviewTextViewportHeight(state)
-  const virtualization = getPreviewVirtualizationState(state.selectedEvent, viewportHeight, state.previewTextDeltaY)
+  const virtualization = getPreviewVirtualizationState(selectedEvent, viewportHeight, previewTextDeltaY)
   if (viewportHeight === 0 || virtualization.scrollBarHeight === 0) {
     return state
   }
   const relativeY = eventY - getPreviewTextBodyY(state)
-  const nextHandleTop = Math.max(0, Math.min(viewportHeight - virtualization.scrollBarHeight, relativeY - state.previewTextScrollBarHandleOffset))
+  const nextHandleTop = Math.max(0, Math.min(viewportHeight - virtualization.scrollBarHeight, relativeY - previewTextScrollBarHandleOffset))
   const percent = nextHandleTop / Math.max(1, viewportHeight - virtualization.scrollBarHeight)
   const nextState = setPreviewTextDeltaY(state, percent * virtualization.maxDeltaY)
   return {