simstudioai · waleedlatif1 · Aug 24, 2026 · Aug 23, 2026
diff --git a/apps/sim/lib/copilot/application/execute-platform-context-use-case.ts b/apps/sim/lib/copilot/application/execute-platform-context-use-case.ts
diff --git a/apps/sim/lib/copilot/chat/effective-transcript.ts b/apps/sim/lib/copilot/chat/effective-transcript.ts
@@ -134,7 +134,6 @@ function buildLiveAssistantMessage(params: {
   const toolIndexById = new Map<string, number>()
   const subagentByParentToolCallId = new Map<string, string>()
   const subagentBySpanId = new Map<string, string>()
-  let activeSubagent: string | undefined
   let activeSubagentParentToolCallId: string | undefined
   const activeCompactionIdByLane = new Map<string, string>()
   let runningText = ''
@@ -143,8 +142,8 @@ function buildLiveAssistantMessage(params: {
   let lastTimestamp: string | undefined
 
   // Scope-only resolution (mirrors the live browser stream loop): with
-  // concurrent subagents the legacy activeSubagent fallback / name-match scan
-  // would mis-attribute interleaved replayed events to the wrong lane.
+  // concurrent subagents the legacy name-match scan would mis-attribute
+  // interleaved replayed events to the wrong lane.
   const resolveScopedSubagent = (
     agentId: string | undefined,
     parentToolCallId: string | undefined,
@@ -404,7 +403,6 @@ function buildLiveAssistantMessage(params: {
           if (parentToolCallId) {
             subagentByParentToolCallId.set(parentToolCallId, name)
           }
-          activeSubagent = name
           activeSubagentParentToolCallId = parentToolCallId
           blocks.push({
             type: MothershipStreamV1EventType.span,
@@ -431,7 +429,6 @@ function buildLiveAssistantMessage(params: {
           // or an unscoped end — never by agent name, which would tear down a
           // concurrent same-name sibling that is still open.
           if (!parentToolCallId || parentToolCallId === activeSubagentParentToolCallId) {
-            activeSubagent = undefined
             activeSubagentParentToolCallId = undefined
           }
           blocks.push({

diff --git a/apps/sim/lib/copilot/chat/process-contents.ts b/apps/sim/lib/copilot/chat/process-contents.ts
@@ -558,46 +558,6 @@ async function processWorkflowFromDb(
   }
 }
 
-async function processPastChat(chatId: string, tagOverride?: string): Promise<AgentContext | null> {
-  try {
-    // boundary-raw-fetch: GET /api/mothership/chat?chatId=... has no defineRouteContract;
-    // the route forwards to the copilot chat handler and emits a free-form chat envelope
-    // that isn't covered by mothershipChatGetQuerySchema or copilotChatGetContract.
-    const resp = await fetch(`/api/mothership/chat?chatId=${encodeURIComponent(chatId)}`)
-    if (!resp.ok) {
-      logger.error('Failed to fetch past chat', { chatId, status: resp.status })
-      return null
-    }
-    const data = await resp.json()
-    const messages = Array.isArray(data?.chat?.messages) ? data.chat.messages : []
-    const content = messages
-      .map((m: any) => {
-        const role = m.role || 'user'
-        // Prefer contentBlocks text if present (joins text blocks), else use content
-        let text = ''
-        if (Array.isArray(m.contentBlocks) && m.contentBlocks.length > 0) {
-          text = m.contentBlocks
-            .filter((b: any) => b?.type === 'text')
-            .map((b: any) => String(b.content || ''))
-            .join('')
-            .trim()
-        }
-        if (!text && typeof m.content === 'string') text = m.content
-        return `${role}: ${text}`.trim()
-      })
-      .filter((s: string) => s.length > 0)
-      .join('\n')
-    logger.info('Processed past_chat context via API', { chatId, length: content.length })
-
-    return { type: 'past_chat', tag: tagOverride || '@', content }
-  } catch (error) {
-    logger.error('Error processing past chat', { chatId, error })
-    return null
-  }
-}
-
-// Back-compat alias; used by processContexts above
-
 async function processKnowledgeFromDb(
   knowledgeBaseId: string,
   userId: string | undefined,

diff --git a/apps/sim/lib/copilot/request/lifecycle/headless.ts b/apps/sim/lib/copilot/request/lifecycle/headless.ts
@@ -1,4 +1,3 @@
-import { createLogger } from '@sim/logger'
 import { generateId } from '@sim/utils/id'
 import type { RequestTraceV1Outcome as RequestTraceOutcome } from '@/lib/copilot/generated/request-trace-v1'
 import {
@@ -12,8 +11,6 @@ import { withCopilotOtelContext } from '@/lib/copilot/request/otel'
 import { TraceCollector } from '@/lib/copilot/request/trace'
 import type { OrchestratorResult } from '@/lib/copilot/request/types'
 
-const logger = createLogger('CopilotHeadlessLifecycle')
-
 export async function runHeadlessCopilotLifecycle(
   requestPayload: Record<string, unknown>,
   options: CopilotLifecycleOptions

diff --git a/apps/sim/lib/copilot/tool-executor/router.ts b/apps/sim/lib/copilot/tool-executor/router.ts
@@ -1,7 +1,5 @@
 import { TOOL_CATALOG, type ToolCatalogEntry } from '@/lib/copilot/generated/tool-catalog-v1'
 
-export type ToolRouteTarget = ToolCatalogEntry['route']
-
 export function isToolInCatalog(toolId: string): boolean {
   return toolId in TOOL_CATALOG
 }
@@ -10,18 +8,6 @@ export function getToolEntry(toolId: string): ToolCatalogEntry | undefined {
   return TOOL_CATALOG[toolId]
 }
 
-export type ToolRoute = {
-  route: ToolRouteTarget
-  mode: ToolCatalogEntry['mode']
-  subagentId?: string
-}
-
-export function routeToolCall(toolId: string): ToolRoute | null {
-  const entry = getToolEntry(toolId)
-  if (!entry) return null
-  return { route: entry.route, mode: entry.mode, subagentId: entry.subagentId }
-}
-
 export function isSimExecuted(toolId: string): boolean {
   return getToolEntry(toolId)?.route === 'sim'
 }

diff --git a/apps/sim/lib/copilot/tools/handlers/vfs.ts b/apps/sim/lib/copilot/tools/handlers/vfs.ts
@@ -564,7 +564,6 @@ export async function executeVfsRead(
       }
     }
 
-    let resolvedReadPath = path
     let result = await vfs.read(path, offset, limit)
     if (!result) {
       // Same name, wrong encoding (spaces instead of %20) is the most common
@@ -576,7 +575,6 @@ export async function executeVfsRead(
           requested: path,
           resolved: decodedEquivalent,
         })
-        resolvedReadPath = decodedEquivalent
         result = await vfs.read(decodedEquivalent, offset, limit)
       }
     }

diff --git a/apps/sim/lib/copilot/tools/handlers/workflow/queries.ts b/apps/sim/lib/copilot/tools/handlers/workflow/queries.ts
@@ -1,4 +1,3 @@
-import { createLogger } from '@sim/logger'
 import { executeCopilotCustomToolUseCase } from '@/lib/copilot/application/execute-custom-tool-use-case'
 import { executeCopilotFileUseCase } from '@/lib/copilot/application/execute-file-use-case'
 import { executeCopilotMcpServerUseCase } from '@/lib/copilot/application/execute-mcp-server-use-case'
@@ -26,8 +25,6 @@ import type {
   GetWorkflowRunOptionsParams,
 } from '../param-types'
 
-const logger = createLogger('WorkflowQueries')
-
 export async function executeGetWorkflowRunOptions(
   params: GetWorkflowRunOptionsParams,
   context: ExecutionContext

diff --git a/apps/sim/lib/copilot/tools/server/files/download-to-workspace-file.ts b/apps/sim/lib/copilot/tools/server/files/download-to-workspace-file.ts
@@ -145,9 +145,6 @@ export const downloadToWorkspaceFileServerTool: BaseServerTool<
     params: DownloadToWorkspaceFileArgs,
     context?: ServerToolContext
   ): Promise<DownloadToWorkspaceFileResult> {
-    const withMessageId = (message: string) =>
-      context?.messageId ? `${message} [messageId:${context.messageId}]` : message
-
     if (!context?.userId) {
       throw new Error('Authentication required')
     }

diff --git a/apps/sim/lib/copilot/tools/server/image/generate-image.ts b/apps/sim/lib/copilot/tools/server/image/generate-image.ts
@@ -65,9 +65,6 @@ export const generateImageServerTool: BaseServerTool<GenerateImageArgs, Generate
     params: GenerateImageArgs,
     context?: ServerToolContext
   ): Promise<GenerateImageResult> {
-    const withMessageId = (message: string) =>
-      context?.messageId ? `${message} [messageId:${context.messageId}]` : message
-
     if (!context?.userId) {
       throw new Error('Authentication required')
     }

diff --git a/apps/sim/lib/copilot/tools/server/table/user-table.ts b/apps/sim/lib/copilot/tools/server/table/user-table.ts
@@ -164,9 +164,6 @@ function mergeViewPredicate(
 export const userTableServerTool: BaseServerTool<UserTableArgs, UserTableResult> = {
   name: UserTable.id,
   async execute(params: UserTableArgs, context?: ServerToolContext): Promise<UserTableResult> {
-    const withMessageId = (message: string) =>
-      context?.messageId ? `${message} [messageId:${context.messageId}]` : message
-
     if (!context?.userId) {
       logger.error('Unauthorized attempt to access user table - no authenticated user context')
       throw new Error('Authentication required')

diff --git a/apps/sim/lib/copilot/vfs/workspace-vfs.ts b/apps/sim/lib/copilot/vfs/workspace-vfs.ts
@@ -1879,7 +1879,6 @@ export class WorkspaceVFS {
         }
         const folderPath = wf.folderId ? folderPaths.get(wf.folderId) : null
         const prefix = `${canonicalWorkflowVfsDir({ name: wf.name, folderPath })}/`
-        const workflowPath = prefix.replace(/\/$/, '')
 
         const inheritedFolderLock = wf.folderId ? lockedFolderIds.has(wf.folderId) : false
         this.files.set(

diff --git a/apps/sim/lib/uploads/utils/validation.ts b/apps/sim/lib/uploads/utils/validation.ts
@@ -188,8 +188,6 @@ export const SUPPORTED_VIDEO_MIME_TYPES: Record<SupportedVideoExtension, string[
 }
 
 export const ACCEPTED_FILE_TYPES = Object.values(SUPPORTED_MIME_TYPES).flat()
-export const ACCEPTED_AUDIO_TYPES = Object.values(SUPPORTED_AUDIO_MIME_TYPES).flat()
-export const ACCEPTED_VIDEO_TYPES = Object.values(SUPPORTED_VIDEO_MIME_TYPES).flat()
 export const ACCEPTED_FILE_EXTENSIONS = SUPPORTED_DOCUMENT_EXTENSIONS.map((ext) => `.${ext}`)
 
 export const ACCEPT_ATTRIBUTE = [...ACCEPTED_FILE_TYPES, ...ACCEPTED_FILE_EXTENSIONS].join(',')

diff --git a/apps/sim/lib/workflows/defaults.ts b/apps/sim/lib/workflows/defaults.ts
@@ -30,8 +30,8 @@ function resolveInitialValue(subBlock: SubBlockConfig): unknown {
   if (typeof subBlock.value === 'function') {
     try {
       return cloneDefaultValue(subBlock.value({}))
-    } catch (error) {
-      // Ignore resolution errors and fall back to default/null values
+    } catch {
+      /* Ignore resolution errors and fall back to default/null values. */
     }
   }
 

diff --git a/apps/sim/lib/workflows/diff/diff-engine.ts b/apps/sim/lib/workflows/diff/diff-engine.ts
@@ -54,9 +54,9 @@ function hasBlockChanged(currentBlock: BlockState, proposedBlock: BlockState): b
   if (currentSubKeys.length !== proposedSubKeys.length) return true
 
   for (const key of currentSubKeys) {
-    if (!proposedSubKeys.includes(key)) return true
     const currentSub = currentBlock.subBlocks[key]
     const proposedSub = proposedBlock.subBlocks?.[key]
+    /* Also covers a key missing from `proposedBlock`, which reads back undefined. */
     if (!proposedSub) return true
     if (JSON.stringify(currentSub.value) !== JSON.stringify(proposedSub.value)) return true
   }

diff --git a/apps/sim/lib/workflows/executor/execution-core.ts b/apps/sim/lib/workflows/executor/execution-core.ts
@@ -396,7 +396,7 @@ async function executeWorkflowCoreImpl(
     runFromBlock,
   } = options
   loggingSession.setExecutionDeadlineAt(getExecutionDeadlineAt(abortSignal))
-  const { metadata, workflow, input, workflowVariables, selectedOutputs } = snapshot
+  const { metadata, input, workflowVariables, selectedOutputs } = snapshot
   const { requestId, workflowId, userId, triggerType, executionId, triggerBlockId, useDraftState } =
     metadata
   const { onBlockStart, onBlockComplete, onStream, onChildWorkflowInstanceReady } = callbacks

diff --git a/apps/sim/tools/error-extractors.ts b/apps/sim/tools/error-extractors.ts
@@ -532,7 +532,7 @@ export function extractErrorMessageWithId(
     if (message?.trim()) {
       return message
     }
-  } catch (error) {}
+  } catch {}
 
   return `Request failed with status ${errorInfo?.status || 'unknown'}`
 }
@@ -564,7 +564,7 @@ export function extractErrorMessage(errorInfo?: ErrorInfo, extractorId?: string)
       if (message?.trim()) {
         return message
       }
-    } catch (error) {}
+    } catch {}
   }
 
   return `Request failed with status ${errorInfo?.status || 'unknown'}`

diff --git a/apps/sim/tools/utils.ts b/apps/sim/tools/utils.ts
@@ -1,4 +1,3 @@
-import { createLogger } from '@sim/logger'
 import { stripVersionSuffix } from '@sim/utils/string'
 import {
   normalizeRecord,
@@ -12,8 +11,6 @@ import { environmentKeys } from '@/hooks/queries/environment'
 import { tools } from '@/tools/registry'
 import type { ToolConfig } from '@/tools/types'
 
-const logger = createLogger('ToolsUtils')
-
 /**
  * Strips version suffix (_v2, _v3, etc.) from a tool ID or name.
  * Re-exported from the canonical `@sim/utils/string` helper so existing

diff --git a/apps/sim/triggers/gmail/poller.ts b/apps/sim/triggers/gmail/poller.ts
@@ -1,9 +1,6 @@
-import { createLogger } from '@sim/logger'
 import { GmailIcon } from '@/components/icons'
 import type { TriggerConfig } from '@/triggers/types'
 
-const logger = createLogger('GmailPollingTrigger')
-
 export const gmailPollingTrigger: TriggerConfig = {
   id: 'gmail_poller',
   name: 'Gmail Email Trigger',

diff --git a/apps/sim/triggers/hubspot/poller.ts b/apps/sim/triggers/hubspot/poller.ts
@@ -1,10 +1,7 @@
-import { createLogger } from '@sim/logger'
 import { HubspotIcon } from '@/components/icons'
 import { getScopesForService } from '@/lib/oauth/utils'
 import type { TriggerConfig } from '@/triggers/types'
 
-const logger = createLogger('HubSpotPollingTrigger')
-
 export const hubspotPollingTrigger: TriggerConfig = {
   id: 'hubspot_poller',
   name: 'HubSpot CRM Trigger',

diff --git a/apps/sim/triggers/imap/poller.ts b/apps/sim/triggers/imap/poller.ts
@@ -1,9 +1,6 @@
-import { createLogger } from '@sim/logger'
 import { MailServerIcon } from '@/components/icons'
 import type { TriggerConfig } from '@/triggers/types'
 
-const logger = createLogger('ImapPollingTrigger')
-
 export const imapPollingTrigger: TriggerConfig = {
   id: 'imap_poller',
   name: 'IMAP Email Trigger',

diff --git a/apps/sim/triggers/outlook/poller.ts b/apps/sim/triggers/outlook/poller.ts
@@ -1,9 +1,6 @@
-import { createLogger } from '@sim/logger'
 import { OutlookIcon } from '@/components/icons'
 import type { TriggerConfig } from '@/triggers/types'
 
-const logger = createLogger('OutlookPollingTrigger')
-
 export const outlookPollingTrigger: TriggerConfig = {
   id: 'outlook_poller',
   name: 'Outlook Email Trigger',

diff --git a/apps/sim/triggers/webflow/collection_item_changed.ts b/apps/sim/triggers/webflow/collection_item_changed.ts
@@ -1,9 +1,6 @@
-import { createLogger } from '@sim/logger'
 import { WebflowIcon } from '@/components/icons'
 import type { TriggerConfig } from '../types'
 
-const logger = createLogger('webflow-collection-item-changed-trigger')
-
 export const webflowCollectionItemChangedTrigger: TriggerConfig = {
   id: 'webflow_collection_item_changed',
   name: 'Collection Item Changed',

diff --git a/apps/sim/triggers/webflow/collection_item_created.ts b/apps/sim/triggers/webflow/collection_item_created.ts
@@ -1,9 +1,6 @@
-import { createLogger } from '@sim/logger'
 import { WebflowIcon } from '@/components/icons'
 import type { TriggerConfig } from '../types'
 
-const logger = createLogger('webflow-collection-item-created-trigger')
-
 export const webflowCollectionItemCreatedTrigger: TriggerConfig = {
   id: 'webflow_collection_item_created',
   name: 'Collection Item Created',

diff --git a/apps/sim/triggers/webflow/collection_item_deleted.ts b/apps/sim/triggers/webflow/collection_item_deleted.ts
@@ -1,9 +1,6 @@
-import { createLogger } from '@sim/logger'
 import { WebflowIcon } from '@/components/icons'
 import type { TriggerConfig } from '../types'
 
-const logger = createLogger('webflow-collection-item-deleted-trigger')
-
 export const webflowCollectionItemDeletedTrigger: TriggerConfig = {
   id: 'webflow_collection_item_deleted',
   name: 'Collection Item Deleted',

diff --git a/apps/sim/triggers/webflow/form_submission.ts b/apps/sim/triggers/webflow/form_submission.ts
@@ -1,9 +1,6 @@
-import { createLogger } from '@sim/logger'
 import { WebflowIcon } from '@/components/icons'
 import type { TriggerConfig } from '../types'
 
-const logger = createLogger('webflow-form-submission-trigger')
-
 export const webflowFormSubmissionTrigger: TriggerConfig = {
   id: 'webflow_form_submission',
   name: 'Form Submission',