From 8be4041335c193e073f890018ac73b67bda71f21 Mon Sep 17 00:00:00 2001
From: Waleed Latif <walif6@gmail.com>
Date: Sun, 17 May 2026 11:02:10 -0700
Subject: [PATCH 1/3] fix(knowledge): preserve scroll position when toggling
 tokenizer in chunk viewer

---
 .../components/chunk-editor/chunk-editor.tsx  | 25 ++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/apps/sim/app/workspace/[workspaceId]/knowledge/[id]/[documentId]/components/chunk-editor/chunk-editor.tsx b/apps/sim/app/workspace/[workspaceId]/knowledge/[id]/[documentId]/components/chunk-editor/chunk-editor.tsx
index d0f241f1fdc..92bb3bdf92d 100644
--- a/apps/sim/app/workspace/[workspaceId]/knowledge/[id]/[documentId]/components/chunk-editor/chunk-editor.tsx
+++ b/apps/sim/app/workspace/[workspaceId]/knowledge/[id]/[documentId]/components/chunk-editor/chunk-editor.tsx
@@ -1,6 +1,6 @@
 'use client'
 
-import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react'
+import React, { useCallback, useEffect, useLayoutEffect, useMemo, useRef, useState } from 'react'
 import { Label, Switch } from '@/components/emcn'
 import { isApiClientError } from '@/lib/api/client/errors'
 import { requestJson } from '@/lib/api/client/request'
@@ -50,6 +50,8 @@ export function ChunkEditor({
   onCreated,
 }: ChunkEditorProps) {
   const textareaRef = useRef<HTMLTextAreaElement>(null)
+  const tokenizedScrollRef = useRef<HTMLDivElement>(null)
+  const preservedScrollTopRef = useRef(0)
   const { mutateAsync: updateChunk } = useUpdateChunk()
   const { mutateAsync: createChunk } = useCreateChunk()
 
@@ -170,6 +172,20 @@ export function ChunkEditor({
     [saveRef]
   )
 
+  const handleTokenizerChange = useCallback(
+    (value: boolean) => {
+      const source = tokenizerOn ? tokenizedScrollRef.current : textareaRef.current
+      preservedScrollTopRef.current = source?.scrollTop ?? 0
+      setTokenizerOn(value)
+    },
+    [tokenizerOn]
+  )
+
+  useLayoutEffect(() => {
+    const target = tokenizerOn ? tokenizedScrollRef.current : textareaRef.current
+    if (target) target.scrollTop = preservedScrollTopRef.current
+  }, [tokenizerOn])
+
   const tokenStrings = useMemo(() => {
     if (!tokenizerOn || !editedContent) return []
     return getTokenStrings(editedContent)
@@ -196,7 +212,10 @@ export function ChunkEditor({
         }}
       >
         {tokenizerOn ? (
-          <div className='h-full w-full cursor-default overflow-y-auto whitespace-pre-wrap break-words p-6 font-sans text-[var(--text-body)] text-sm'>
+          <div
+            ref={tokenizedScrollRef}
+            className='h-full w-full cursor-default overflow-y-auto whitespace-pre-wrap break-words p-6 font-sans text-[var(--text-body)] text-sm'
+          >
             {tokenStrings.map((token, index) => (
               <span
                 key={index}
@@ -232,7 +251,7 @@ export function ChunkEditor({
       <div className='flex items-center justify-between border-[var(--border)] border-t px-6 py-2.5'>
         <TokenizerToggle
           checked={tokenizerOn}
-          onCheckedChange={setTokenizerOn}
+          onCheckedChange={handleTokenizerChange}
           hoveredTokenIndex={tokenizerOn ? hoveredTokenIndex : null}
         />
         <span className='text-[var(--text-secondary)] text-caption'>

From 0e1e331f5800df7b9e7e6d1d0b1e6016beac520e Mon Sep 17 00:00:00 2001
From: Waleed Latif <walif6@gmail.com>
Date: Sun, 17 May 2026 11:19:33 -0700
Subject: [PATCH 2/3] fix(knowledge): skip scroll restore on initial mount of
 chunk editor

---
 .../[documentId]/components/chunk-editor/chunk-editor.tsx     | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/apps/sim/app/workspace/[workspaceId]/knowledge/[id]/[documentId]/components/chunk-editor/chunk-editor.tsx b/apps/sim/app/workspace/[workspaceId]/knowledge/[id]/[documentId]/components/chunk-editor/chunk-editor.tsx
index 92bb3bdf92d..0656d632bf5 100644
--- a/apps/sim/app/workspace/[workspaceId]/knowledge/[id]/[documentId]/components/chunk-editor/chunk-editor.tsx
+++ b/apps/sim/app/workspace/[workspaceId]/knowledge/[id]/[documentId]/components/chunk-editor/chunk-editor.tsx
@@ -172,16 +172,20 @@ export function ChunkEditor({
     [saveRef]
   )
 
+  const hasToggledTokenizerRef = useRef(false)
+
   const handleTokenizerChange = useCallback(
     (value: boolean) => {
       const source = tokenizerOn ? tokenizedScrollRef.current : textareaRef.current
       preservedScrollTopRef.current = source?.scrollTop ?? 0
+      hasToggledTokenizerRef.current = true
       setTokenizerOn(value)
     },
     [tokenizerOn]
   )
 
   useLayoutEffect(() => {
+    if (!hasToggledTokenizerRef.current) return
     const target = tokenizerOn ? tokenizedScrollRef.current : textareaRef.current
     if (target) target.scrollTop = preservedScrollTopRef.current
   }, [tokenizerOn])

From 0ff4b45125b62071410972053b55ac5106dbe90e Mon Sep 17 00:00:00 2001
From: waleed <walif6@gmail.com>
Date: Mon, 18 May 2026 09:58:52 -0700
Subject: [PATCH 3/3] chore(dev): add dev:clean script to purge Turbopack cache

---
 apps/sim/package.json | 1 +
 1 file changed, 1 insertion(+)

diff --git a/apps/sim/package.json b/apps/sim/package.json
index f175df18d51..dc6f615477a 100644
--- a/apps/sim/package.json
+++ b/apps/sim/package.json
@@ -9,6 +9,7 @@
   },
   "scripts": {
     "dev": "next dev --port 3000",
+    "dev:clean": "rm -rf .next/dev/cache",
     "dev:webpack": "next dev --webpack",
     "load:workflow": "bun run load:workflow:baseline",
     "load:workflow:baseline": "BASE_URL=${BASE_URL:-http://localhost:3000} WARMUP_DURATION=${WARMUP_DURATION:-10} WARMUP_RATE=${WARMUP_RATE:-2} PEAK_RATE=${PEAK_RATE:-8} HOLD_DURATION=${HOLD_DURATION:-20} bunx artillery run scripts/load/workflow-concurrency.yml",