File writes

apps/sim/app/workspace/[workspaceId]/files/components/file-viewer/file-viewer.tsx

@@ -255,7 +255,26 @@ function TextEditor({
             ? fetchedContent
             : `${fetchedContent}\n${streamingContent}`
       // #region agent log
-      fetch('http://127.0.0.1:7774/ingest/b056eec6-a1ee-457f-8556-85f94314ca06',{method:'POST',headers:{'Content-Type':'application/json','X-Debug-Session-Id':'6f10b0'},body:JSON.stringify({sessionId:'6f10b0',location:'file-viewer.tsx:TextEditor-merge',message:'streaming merge',data:{streamingMode,fetchedContentLen:fetchedContent?.length,streamingContentLen:streamingContent.length,nextContentLen:nextContent.length,fetchedUndefined:fetchedContent===undefined,usedReplace:streamingMode==='replace'||fetchedContent===undefined,nextPreview:nextContent.slice(0,200)},timestamp:Date.now(),hypothesisId:'H2-H3'})}).catch(()=>{});
+      fetch('http://127.0.0.1:7774/ingest/b056eec6-a1ee-457f-8556-85f94314ca06', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json', 'X-Debug-Session-Id': '6f10b0' },
+        body: JSON.stringify({
+          sessionId: '6f10b0',
+          location: 'file-viewer.tsx:TextEditor-merge',
+          message: 'streaming merge',
+          data: {
+            streamingMode,
+            fetchedContentLen: fetchedContent?.length,
+            streamingContentLen: streamingContent.length,
+            nextContentLen: nextContent.length,
+            fetchedUndefined: fetchedContent === undefined,
+            usedReplace: streamingMode === 'replace' || fetchedContent === undefined,
+            nextPreview: nextContent.slice(0, 200),
+          },
+          timestamp: Date.now(),
+          hypothesisId: 'H2-H3',
+        }),
+      }).catch(() => {})
       // #endregion
       setContent(nextContent)
       contentRef.current = nextContent
@@ -264,8 +283,8 @@ function TextEditor({
     }
 
     if (wasStreamingRef.current) {
-      wasStreamingRef.current = false
-      if (fetchedContent !== undefined) {
+      if (fetchedContent !== undefined && fetchedContent !== savedContentRef.current) {
+        wasStreamingRef.current = false
         setContent(fetchedContent)
         setSavedContent(fetchedContent)
         savedContentRef.current = fetchedContent
@@ -377,7 +396,8 @@ function TextEditor({
   )
 
   const isStreaming = streamingContent !== undefined
-  const revealedContent = useStreamingText(content, isStreaming)
+  const shouldAnimateStreaming = isStreaming && streamingMode === 'append'
+  const revealedContent = useStreamingText(content, shouldAnimateStreaming)
 
   const textareaStuckRef = useRef(true)
 

apps/sim/app/workspace/[workspaceId]/home/components/mothership-view/components/resource-content/resource-content.tsx

@@ -122,7 +122,30 @@ export const ResourceContent = memo(function ResourceContent({
 
   // #region agent log
   if (streamingFile) {
-    fetch('http://127.0.0.1:7774/ingest/b056eec6-a1ee-457f-8556-85f94314ca06',{method:'POST',headers:{'Content-Type':'application/json','X-Debug-Session-Id':'6f10b0'},body:JSON.stringify({sessionId:'6f10b0',location:'resource-content.tsx:streaming-context',message:'streaming state',data:{resourceId:resource.id,resourceType:resource.type,streamOp:streamOperation,isPatch:isPatchStream,isWrite:isWriteStream,isUpdate:isUpdateStream,hasActiveFileRecord:!!activeFileRecord,hasFetchedContent:!!fetchedFileContent,fetchedContentLen:fetchedFileContent?.length,streamingFileContentLen:streamingFile.content.length,streamingFileName:streamingFile.fileName,streamingFileMode:isWriteStream?'append':'replace'},timestamp:Date.now()})}).catch(()=>{});
+    fetch('http://127.0.0.1:7774/ingest/b056eec6-a1ee-457f-8556-85f94314ca06', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json', 'X-Debug-Session-Id': '6f10b0' },
+      body: JSON.stringify({
+        sessionId: '6f10b0',
+        location: 'resource-content.tsx:streaming-context',
+        message: 'streaming state',
+        data: {
+          resourceId: resource.id,
+          resourceType: resource.type,
+          streamOp: streamOperation,
+          isPatch: isPatchStream,
+          isWrite: isWriteStream,
+          isUpdate: isUpdateStream,
+          hasActiveFileRecord: !!activeFileRecord,
+          hasFetchedContent: !!fetchedFileContent,
+          fetchedContentLen: fetchedFileContent?.length,
+          streamingFileContentLen: streamingFile.content.length,
+          streamingFileName: streamingFile.fileName,
+          streamingFileMode: isWriteStream ? 'append' : 'replace',
+        },
+        timestamp: Date.now(),
+      }),
+    }).catch(() => {})
   }
   // #endregion
   const streamingExtractedContent = useMemo(() => {
@@ -132,13 +155,41 @@ export const ResourceContent = memo(function ResourceContent({
     if (isPatchStream) {
       if (!fetchedFileContent) {
         // #region agent log
-        fetch('http://127.0.0.1:7774/ingest/b056eec6-a1ee-457f-8556-85f94314ca06',{method:'POST',headers:{'Content-Type':'application/json','X-Debug-Session-Id':'6f10b0'},body:JSON.stringify({sessionId:'6f10b0',location:'resource-content.tsx:patch-no-fetched',message:'patch but no fetchedFileContent',data:{resourceId:resource.id,activeFileRecordId:activeFileRecord?.id},timestamp:Date.now(),hypothesisId:'H1'})}).catch(()=>{});
+        fetch('http://127.0.0.1:7774/ingest/b056eec6-a1ee-457f-8556-85f94314ca06', {
+          method: 'POST',
+          headers: { 'Content-Type': 'application/json', 'X-Debug-Session-Id': '6f10b0' },
+          body: JSON.stringify({
+            sessionId: '6f10b0',
+            location: 'resource-content.tsx:patch-no-fetched',
+            message: 'patch but no fetchedFileContent',
+            data: { resourceId: resource.id, activeFileRecordId: activeFileRecord?.id },
+            timestamp: Date.now(),
+            hypothesisId: 'H1',
+          }),
+        }).catch(() => {})
         // #endregion
         return undefined
       }
       const patchResult = extractPatchPreview(streamingFile, fetchedFileContent)
       // #region agent log
-      fetch('http://127.0.0.1:7774/ingest/b056eec6-a1ee-457f-8556-85f94314ca06',{method:'POST',headers:{'Content-Type':'application/json','X-Debug-Session-Id':'6f10b0'},body:JSON.stringify({sessionId:'6f10b0',location:'resource-content.tsx:patch-result',message:'extractPatchPreview result',data:{hasPatchResult:!!patchResult,patchResultLen:patchResult?.length,fetchedLen:fetchedFileContent.length,contentPreview:streamingFile.content.slice(0,200),edit:streamingFile.edit},timestamp:Date.now(),hypothesisId:'H4'})}).catch(()=>{});
+      fetch('http://127.0.0.1:7774/ingest/b056eec6-a1ee-457f-8556-85f94314ca06', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json', 'X-Debug-Session-Id': '6f10b0' },
+        body: JSON.stringify({
+          sessionId: '6f10b0',
+          location: 'resource-content.tsx:patch-result',
+          message: 'extractPatchPreview result',
+          data: {
+            hasPatchResult: !!patchResult,
+            patchResultLen: patchResult?.length,
+            fetchedLen: fetchedFileContent.length,
+            contentPreview: streamingFile.content.slice(0, 200),
+            edit: streamingFile.edit,
+          },
+          timestamp: Date.now(),
+          hypothesisId: 'H4',
+        }),
+      }).catch(() => {})
       // #endregion
       return patchResult
     }
@@ -147,14 +198,36 @@ export const ResourceContent = memo(function ResourceContent({
     if (extracted.length === 0) return undefined
 
     // #region agent log
-    fetch('http://127.0.0.1:7774/ingest/b056eec6-a1ee-457f-8556-85f94314ca06',{method:'POST',headers:{'Content-Type':'application/json','X-Debug-Session-Id':'6f10b0'},body:JSON.stringify({sessionId:'6f10b0',location:'resource-content.tsx:write-update-content',message:'extracted content for write/update',data:{streamOp:streamOperation,extractedLen:extracted.length,extractedPreview:extracted.slice(0,150)},timestamp:Date.now(),hypothesisId:'H2'})}).catch(()=>{});
+    fetch('http://127.0.0.1:7774/ingest/b056eec6-a1ee-457f-8556-85f94314ca06', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json', 'X-Debug-Session-Id': '6f10b0' },
+      body: JSON.stringify({
+        sessionId: '6f10b0',
+        location: 'resource-content.tsx:write-update-content',
+        message: 'extracted content for write/update',
+        data: {
+          streamOp: streamOperation,
+          extractedLen: extracted.length,
+          extractedPreview: extracted.slice(0, 150),
+        },
+        timestamp: Date.now(),
+        hypothesisId: 'H2',
+      }),
+    }).catch(() => {})
     // #endregion
 
     if (isUpdateStream) return extracted
     if (isWriteStream) return extracted
 
     return undefined
-  }, [streamingFile, streamOperation, isWriteStream, isPatchStream, isUpdateStream, fetchedFileContent])
+  }, [
+    streamingFile,
+    streamOperation,
+    isWriteStream,
+    isPatchStream,
+    isUpdateStream,
+    fetchedFileContent,
+  ])
   const syntheticFile = useMemo(() => {
     const ext = getFileExtension(streamFileName)
     const SOURCE_MIME_MAP: Record<string, string> = {
@@ -176,17 +249,14 @@ export const ResourceContent = memo(function ResourceContent({
     }
   }, [workspaceId, streamFileName])
 
-  const streamingFileMode: 'append' | 'replace' =
-    isWriteStream ? 'append' : 'replace'
+  const streamingFileMode: 'append' | 'replace' = isWriteStream ? 'append' : 'replace'
 
   // For existing file resources (not streaming-file), only pass streaming
   // content for patch operations where the preview splices new content into
   // the displayed file. Update operations re-stream the entire file from
   // scratch which causes visual duplication of already-visible content.
   const embeddedStreamingContent =
-    resource.id !== 'streaming-file' && isUpdateStream
-      ? undefined
-      : streamingExtractedContent
+    resource.id !== 'streaming-file' && isUpdateStream ? undefined : streamingExtractedContent
 
   if (streamingFile && resource.id === 'streaming-file') {
     return (
@@ -513,7 +583,13 @@ interface EmbeddedFileProps {
   streamingMode?: 'append' | 'replace'
 }
 
-function EmbeddedFile({ workspaceId, fileId, previewMode, streamingContent, streamingMode }: EmbeddedFileProps) {
+function EmbeddedFile({
+  workspaceId,
+  fileId,
+  previewMode,
+  streamingContent,
+  streamingMode,
+}: EmbeddedFileProps) {
   const { canEdit } = useUserPermissionsContext()
   const { data: files = [], isLoading, isFetching } = useWorkspaceFiles(workspaceId)
   const file = useMemo(() => files.find((f) => f.id === fileId), [files, fileId])
@@ -638,9 +714,7 @@ function extractPatchPreview(
   const strategy = typeof edit.strategy === 'string' ? edit.strategy : undefined
   const lines = existingContent.split('\n')
   const occurrence =
-    typeof edit.occurrence === 'number' && Number.isFinite(edit.occurrence)
-      ? edit.occurrence
-      : 1
+    typeof edit.occurrence === 'number' && Number.isFinite(edit.occurrence) ? edit.occurrence : 1
 
   if (strategy === 'search_replace') {
     const search = typeof edit.search === 'string' ? edit.search : ''
@@ -651,7 +725,9 @@ function extractPatchPreview(
     }
     const firstIdx = existingContent.indexOf(search)
     if (firstIdx === -1) return undefined
-    return existingContent.slice(0, firstIdx) + replace + existingContent.slice(firstIdx + search.length)
+    return (
+      existingContent.slice(0, firstIdx) + replace + existingContent.slice(firstIdx + search.length)
+    )
   }
 
   const mode = typeof edit.mode === 'string' ? edit.mode : undefined

apps/sim/app/workspace/[workspaceId]/home/components/mothership-view/components/resource-tabs/resource-tabs.tsx

@@ -9,8 +9,8 @@ import {
 } from 'react'
 import { Button, Tooltip } from '@/components/emcn'
 import { Columns3, Eye, PanelLeft, Pencil } from '@/components/emcn/icons'
-import { isEphemeralResource } from '@/lib/copilot/resources/types'
 import { SIM_RESOURCE_DRAG_TYPE } from '@/lib/copilot/resource-types'
+import { isEphemeralResource } from '@/lib/copilot/resources/types'
 import { cn } from '@/lib/core/utils/cn'
 import type { PreviewMode } from '@/app/workspace/[workspaceId]/files/components/file-viewer'
 import { AddResourceDropdown } from '@/app/workspace/[workspaceId]/home/components/mothership-view/components/add-resource-dropdown'

apps/sim/app/workspace/[workspaceId]/home/components/mothership-view/mothership-view.tsx

@@ -58,17 +58,15 @@ interface MothershipViewProps {
   onCollapse: () => void
   isCollapsed: boolean
   className?: string
-  streamingFile?:
-    | {
-        toolCallId?: string
-        fileName: string
-        fileId?: string
-        targetKind?: 'new_file' | 'file_id'
-        operation?: string
-        edit?: Record<string, unknown>
-        content: string
-      }
-    | null
+  streamingFile?: {
+    toolCallId?: string
+    fileName: string
+    fileId?: string
+    targetKind?: 'new_file' | 'file_id'
+    operation?: string
+    edit?: Record<string, unknown>
+    content: string
+  } | null
   genericResourceData?: GenericResourceData
 }
 

apps/sim/app/workspace/[workspaceId]/home/hooks/use-chat.ts

@@ -904,13 +904,15 @@ export function useChat(
                   const target = asPayloadRecord(payload.target)
                   const nextSession: StreamingFilePreview = {
                     ...prevSession,
-                    operation: typeof payload.operation === 'string' ? payload.operation : prevSession.operation,
+                    operation:
+                      typeof payload.operation === 'string'
+                        ? payload.operation
+                        : prevSession.operation,
                     targetKind:
                       target?.kind === 'new_file' || target?.kind === 'file_id'
                         ? (target.kind as 'new_file' | 'file_id')
                         : prevSession.targetKind,
-                    fileId:
-                      typeof target?.fileId === 'string' ? target.fileId : prevSession.fileId,
+                    fileId: typeof target?.fileId === 'string' ? target.fileId : prevSession.fileId,
                     fileName:
                       typeof target?.fileName === 'string' ? target.fileName : prevSession.fileName,
                   }
@@ -954,13 +956,11 @@ export function useChat(
                   break
                 }
 
-                if (previewPhase === 'file_preview_content_delta') {
-                  const delta =
-                    typeof payload.delta === 'string' ? payload.delta : ''
-                  if (!delta) break
+                if (previewPhase === 'file_preview_content') {
+                  const content = typeof payload.content === 'string' ? payload.content : ''
                   const nextSession: StreamingFilePreview = {
                     ...prevSession,
-                    content: (prevSession.content ?? '') + delta,
+                    content,
                   }
                   sessions.set(id, nextSession)
                   activeFilePreviewToolCallIdRef.current = id

apps/sim/lib/copilot/request/go/stream.ts

@@ -32,7 +32,7 @@ type FilePreviewServerState = {
   title?: string
   editMetaKey?: string
   targetKey?: string
-  emittedContentLength: number
+  lastContentSnapshot?: string
 }
 
 function extractJsonString(raw: string, key: string): string | undefined {
@@ -74,6 +74,70 @@ function extractJsonNumber(raw: string, key: string): number | undefined {
   return Number.parseInt(match[1], 10)
 }
 
+function decodeJsonStringPrefix(input: string): string {
+  let output = ''
+  for (let i = 0; i < input.length; i++) {
+    const ch = input[i]
+    if (ch !== '\\') {
+      output += ch
+      continue
+    }
+    const next = input[i + 1]
+    if (!next) break
+    if (next === 'n') {
+      output += '\n'
+      i++
+      continue
+    }
+    if (next === 't') {
+      output += '\t'
+      i++
+      continue
+    }
+    if (next === 'r') {
+      output += '\r'
+      i++
+      continue
+    }
+    if (next === '"') {
+      output += '"'
+      i++
+      continue
+    }
+    if (next === '\\') {
+      output += '\\'
+      i++
+      continue
+    }
+    if (next === '/') {
+      output += '/'
+      i++
+      continue
+    }
+    if (next === 'b') {
+      output += '\b'
+      i++
+      continue
+    }
+    if (next === 'f') {
+      output += '\f'
+      i++
+      continue
+    }
+    if (next === 'u') {
+      const hex = input.slice(i + 2, i + 6)
+      if (hex.length < 4 || !/^[0-9a-fA-F]{4}$/.test(hex)) {
+        break
+      }
+      output += String.fromCharCode(Number.parseInt(hex, 16))
+      i += 5
+      continue
+    }
+    break
+  }
+  return output
+}
+
 function extractStreamedContent(raw: string, preferredKey: 'content' | 'replace'): string {
   const marker = `"${preferredKey}":`
   const idx = raw.indexOf(marker)
@@ -92,13 +156,7 @@ function extractStreamedContent(raw: string, preferredKey: 'content' | 'replace'
     }
   }
   const inner = end === -1 ? rest.slice(1) : rest.slice(1, end)
-  return inner
-    .replace(/\\n/g, '\n')
-    .replace(/\\t/g, '\t')
-    .replace(/\\r/g, '\r')
-    .replace(/\\"/g, '"')
-    .replace(/\\u([0-9a-fA-F]{4})/g, (_, hex) => String.fromCharCode(Number.parseInt(hex, 16)))
-    .replace(/\\\\/g, '\\')
+  return decodeJsonStringPrefix(inner)
 }
 
 function buildPreviewContent(raw: string, strategy?: string): string {
@@ -235,7 +293,6 @@ export async function runStreamLoop(
         const state = filePreviewState.get(toolCallId) ?? {
           raw: '',
           started: false,
-          emittedContentLength: 0,
         }
         state.raw += delta
 
@@ -343,16 +400,15 @@ export async function runStreamLoop(
         }
 
         const streamedContent = buildPreviewContent(state.raw, strategy)
-        if (streamedContent.length > state.emittedContentLength) {
-          const contentDelta = streamedContent.slice(state.emittedContentLength)
-          state.emittedContentLength = streamedContent.length
+        if (streamedContent !== (state.lastContentSnapshot ?? '')) {
+          state.lastContentSnapshot = streamedContent
           await options.onEvent?.({
             type: MothershipStreamV1EventType.tool,
             payload: {
               toolCallId,
               toolName: 'workspace_file',
-              previewPhase: 'file_preview_content_delta',
-              delta: contentDelta,
+              previewPhase: 'file_preview_content',
+              content: streamedContent,
             },
             ...(streamEvent.scope ? { scope: streamEvent.scope } : {}),
           })

apps/sim/lib/copilot/request/handlers/tool.ts

@@ -21,7 +21,7 @@ import type {
   StreamingContext,
   ToolCallState,
 } from '@/lib/copilot/request/types'
-import { isSimExecuted, getToolEntry } from '@/lib/copilot/tool-executor'
+import { getToolEntry, isSimExecuted } from '@/lib/copilot/tool-executor'
 import { isWorkflowToolName } from '@/lib/copilot/tools/workflow-tools'
 import type { ToolScope } from './types'
 import {

apps/sim/lib/copilot/resources/extraction.ts

@@ -42,7 +42,9 @@ function getOperation(params: Record<string, unknown> | undefined): string | und
   return (args.operation ?? params?.operation) as string | undefined
 }
 
-function getWorkspaceFileTarget(params: Record<string, unknown> | undefined): Record<string, unknown> {
+function getWorkspaceFileTarget(
+  params: Record<string, unknown> | undefined
+): Record<string, unknown> {
   return asRecord(params?.target)
 }
 
@@ -255,10 +257,7 @@ export function extractDeletedResourcesFromToolResult(
     case WorkspaceFile.id: {
       if (operation !== 'delete') return []
       const target = getWorkspaceFileTarget(params)
-      const fileId =
-        (data.id as string) ??
-        (target.fileId as string) ??
-        (args.fileId as string)
+      const fileId = (data.id as string) ?? (target.fileId as string) ?? (args.fileId as string)
       if (fileId) {
         return [{ type: resourceType, id: fileId, title: (data.name as string) || 'File' }]
       }

apps/sim/lib/copilot/tools/server/files/workspace-file.ts

@@ -70,8 +70,6 @@ type WorkspaceFileArgs = {
   contentType?: string
   newName?: string
   edit?: WorkspaceFileEdit
-  // Legacy nested shape kept temporarily for compatibility during migration.
-  args?: Record<string, unknown>
 }
 
 type WorkspaceFileResult = {
@@ -140,102 +138,6 @@ function getDocumentFormatInfo(fileName: string): {
   return { isDoc: false }
 }
 
-function normalizeWorkspaceFileParams(params: WorkspaceFileArgs): {
-  operation: WorkspaceFileOperation
-  target?: WorkspaceFileTarget
-  title?: string
-  content?: string
-  contentType?: string
-  newName?: string
-  edit?: WorkspaceFileEdit
-} {
-  if (params.target || params.edit || params.content !== undefined || params.newName !== undefined) {
-    return {
-      operation: params.operation,
-      target: params.target,
-      title: params.title,
-      content: params.content,
-      contentType: params.contentType,
-      newName: params.newName,
-      edit: params.edit,
-    }
-  }
-
-  const legacyArgs = (params.args ?? {}) as Record<string, unknown>
-  const legacyOperation = params.operation
-  const legacyTarget: WorkspaceFileTarget | undefined =
-    legacyOperation === 'create'
-      ? ({
-          kind: 'new_file',
-          fileName: String(legacyArgs.fileName ?? ''),
-        } as WorkspaceFileTarget)
-      : legacyArgs.fileId
-        ? ({
-            kind: 'file_id',
-            fileId: String(legacyArgs.fileId),
-            ...(legacyArgs.fileName ? { fileName: String(legacyArgs.fileName) } : {}),
-          } as WorkspaceFileTarget)
-        : legacyArgs.fileName
-          ? ({
-              kind: 'new_file',
-              fileName: String(legacyArgs.fileName),
-            } as WorkspaceFileTarget)
-          : undefined
-
-  const legacyEdit = (() => {
-    const structured = legacyArgs.edit as Record<string, unknown> | undefined
-    if (structured && typeof structured.mode === 'string') {
-      return {
-        strategy: 'anchored',
-        mode: structured.mode as 'replace_between' | 'insert_after' | 'delete_between',
-        occurrence:
-          typeof structured.occurrence === 'number' ? structured.occurrence : undefined,
-        before_anchor:
-          typeof structured.before_anchor === 'string' ? structured.before_anchor : undefined,
-        after_anchor:
-          typeof structured.after_anchor === 'string' ? structured.after_anchor : undefined,
-        start_anchor:
-          typeof structured.start_anchor === 'string' ? structured.start_anchor : undefined,
-        end_anchor:
-          typeof structured.end_anchor === 'string' ? structured.end_anchor : undefined,
-        anchor: typeof structured.anchor === 'string' ? structured.anchor : undefined,
-        content: typeof structured.content === 'string' ? structured.content : undefined,
-      } satisfies WorkspaceFileEdit
-    }
-
-    const edits = legacyArgs.edits as Array<{ search?: unknown; replace?: unknown }> | undefined
-    if (Array.isArray(edits) && edits.length > 0) {
-      const first = edits[0]
-      if (typeof first?.search === 'string' && typeof first?.replace === 'string') {
-        return {
-          strategy: 'search_replace',
-          search: first.search,
-          replace: first.replace,
-        } satisfies WorkspaceFileEdit
-      }
-    }
-
-    return undefined
-  })()
-
-  const normalizedOperation: WorkspaceFileOperation =
-    (legacyOperation as string) === 'write'
-      ? legacyTarget?.kind === 'new_file'
-        ? 'create'
-        : 'append'
-      : (legacyOperation as WorkspaceFileOperation)
-
-  return {
-    operation: normalizedOperation,
-    target: legacyTarget,
-    title: typeof legacyArgs.title === 'string' ? legacyArgs.title : undefined,
-    content: typeof legacyArgs.content === 'string' ? legacyArgs.content : undefined,
-    contentType: typeof legacyArgs.contentType === 'string' ? legacyArgs.contentType : undefined,
-    newName: typeof legacyArgs.newName === 'string' ? legacyArgs.newName : undefined,
-    edit: legacyEdit,
-  }
-}
-
 export const workspaceFileServerTool: BaseServerTool<WorkspaceFileArgs, WorkspaceFileResult> = {
   name: WorkspaceFile.id,
   async execute(
@@ -250,7 +152,7 @@ export const workspaceFileServerTool: BaseServerTool<WorkspaceFileArgs, Workspac
       throw new Error('Authentication required')
     }
 
-    const normalized = normalizeWorkspaceFileParams(params)
+    const normalized = params
     const { operation } = normalized
     const workspaceId = context.workspaceId
 
@@ -262,7 +164,7 @@ export const workspaceFileServerTool: BaseServerTool<WorkspaceFileArgs, Workspac
       switch (operation) {
         case 'create': {
           const target = normalized.target
-          if (!target || target.kind != 'new_file') {
+          if (!target || target.kind !== 'new_file') {
             return {
               success: false,
               message: 'create requires target.kind=new_file with target.fileName',
@@ -342,7 +244,7 @@ export const workspaceFileServerTool: BaseServerTool<WorkspaceFileArgs, Workspac
           if (!existingFile) {
             return { success: false, message: `File with ID "${target.fileId}" not found` }
           }
-          if (target.fileName && target.fileName != existingFile.name) {
+          if (target.fileName && target.fileName !== existingFile.name) {
             return {
               success: false,
               message: `Target mismatch: fileId "${target.fileId}" is "${existingFile.name}", not "${target.fileName}"`,
@@ -369,7 +271,8 @@ export const workspaceFileServerTool: BaseServerTool<WorkspaceFileArgs, Workspac
 
           const combinedBuffer = Buffer.from(combined, 'utf-8')
           assertServerToolNotAborted(context)
-          const appendMime = docInfo.sourceMime || inferContentType(existingFile.name, normalized.contentType)
+          const appendMime =
+            docInfo.sourceMime || inferContentType(existingFile.name, normalized.contentType)
           await updateWorkspaceFileContent(
             workspaceId,
             existingFile.id,
@@ -414,7 +317,7 @@ export const workspaceFileServerTool: BaseServerTool<WorkspaceFileArgs, Workspac
           if (!fileRecord) {
             return { success: false, message: `File with ID "${target.fileId}" not found` }
           }
-          if (target.fileName && target.fileName != fileRecord.name) {
+          if (target.fileName && target.fileName !== fileRecord.name) {
             return {
               success: false,
               message: `Target mismatch: fileId "${target.fileId}" is "${fileRecord.name}", not "${target.fileName}"`,
@@ -436,7 +339,8 @@ export const workspaceFileServerTool: BaseServerTool<WorkspaceFileArgs, Workspac
 
           const fileBuffer = Buffer.from(normalized.content, 'utf-8')
           assertServerToolNotAborted(context)
-          const updateMime = docInfo.sourceMime || inferContentType(fileRecord.name, normalized.contentType)
+          const updateMime =
+            docInfo.sourceMime || inferContentType(fileRecord.name, normalized.contentType)
           await updateWorkspaceFileContent(
             workspaceId,
             target.fileId,
@@ -589,7 +493,11 @@ export const workspaceFileServerTool: BaseServerTool<WorkspaceFileArgs, Workspac
               }
               const before = findAnchorLine(normalized.edit.before_anchor)
               if (before.error) return { success: false, message: `Patch failed: ${before.error}` }
-              const after = findAnchorLine(normalized.edit.after_anchor, defaultOccurrence, before.index)
+              const after = findAnchorLine(
+                normalized.edit.after_anchor,
+                defaultOccurrence,
+                before.index
+              )
               if (after.error) return { success: false, message: `Patch failed: ${after.error}` }
               if (after.index <= before.index) {
                 return {
@@ -599,7 +507,7 @@ export const workspaceFileServerTool: BaseServerTool<WorkspaceFileArgs, Workspac
               }
               const newLines = [
                 ...lines.slice(0, before.index + 1),
-                ...((normalized.edit.content ?? '').split('\n')),
+                ...(normalized.edit.content ?? '').split('\n'),
                 ...lines.slice(after.index),
               ]
               content = newLines.join('\n')
@@ -611,7 +519,7 @@ export const workspaceFileServerTool: BaseServerTool<WorkspaceFileArgs, Workspac
               if (found.error) return { success: false, message: `Patch failed: ${found.error}` }
               const newLines = [
                 ...lines.slice(0, found.index + 1),
-                ...((normalized.edit.content ?? '').split('\n')),
+                ...(normalized.edit.content ?? '').split('\n'),
                 ...lines.slice(found.index + 1),
               ]
               content = newLines.join('\n')

apps/sim/lib/copilot/tools/server/generated-schema.ts

@@ -16,7 +16,10 @@ function formatErrors(errors: ErrorObject[] | null | undefined): string {
     .join('; ')
 }
 
-function getValidator(toolName: string, schemaKind: 'parameters' | 'resultSchema'): ValidateFunction | null {
+function getValidator(
+  toolName: string,
+  schemaKind: 'parameters' | 'resultSchema'
+): ValidateFunction | null {
   const cacheKey = `${toolName}:${schemaKind}`
   const cached = validatorCache.get(cacheKey)
   if (cached) return cached

apps/sim/lib/copilot/tools/server/router.ts

@@ -1,4 +1,5 @@
 import { createLogger } from '@sim/logger'
+import { z } from 'zod'
 import {
   DownloadToWorkspaceFile,
   GenerateImage,
@@ -21,6 +22,7 @@ import { getTriggerBlocksServerTool } from '@/lib/copilot/tools/server/blocks/ge
 import { searchDocumentationServerTool } from '@/lib/copilot/tools/server/docs/search-documentation'
 import { downloadToWorkspaceFileServerTool } from '@/lib/copilot/tools/server/files/download-to-workspace-file'
 import { workspaceFileServerTool } from '@/lib/copilot/tools/server/files/workspace-file'
+import { validateGeneratedToolPayload } from '@/lib/copilot/tools/server/generated-schema'
 import { generateImageServerTool } from '@/lib/copilot/tools/server/image/generate-image'
 import { getJobLogsServerTool } from '@/lib/copilot/tools/server/jobs/get-job-logs'
 import { knowledgeBaseServerTool } from '@/lib/copilot/tools/server/knowledge/knowledge-base'
@@ -33,8 +35,6 @@ import { generateVisualizationServerTool } from '@/lib/copilot/tools/server/visu
 import { editWorkflowServerTool } from '@/lib/copilot/tools/server/workflow/edit-workflow'
 import { getExecutionSummaryServerTool } from '@/lib/copilot/tools/server/workflow/get-execution-summary'
 import { getWorkflowLogsServerTool } from '@/lib/copilot/tools/server/workflow/get-workflow-logs'
-import { z } from 'zod'
-import { validateGeneratedToolPayload } from '@/lib/copilot/tools/server/generated-schema'
 
 export { ExecuteResponseSuccessSchema }
 export type ExecuteResponseSuccess = (typeof ExecuteResponseSuccessSchema)['_type']