fix(google-drive-picker): hydration issues with drive picker + dependsOn for trigger subblocks

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel-new/components/editor/components/sub-block/components/credential-selector/credential-selector.tsx

@@ -128,14 +128,36 @@ export function CredentialSelector({
             .setDisplayNames('credentials', effectiveProviderId, credentialMap)
         }
 
-        // Do not auto-select or reset. We only show what's persisted.
+        // Check if the currently selected credential still exists
+        const selectedCredentialStillExists = (creds || []).some(
+          (cred: Credential) => cred.id === selectedId
+        )
+        const shouldClearPersistedSelection =
+          !isPreview && selectedId && !selectedCredentialStillExists && !foreignMetaFound
+
+        if (shouldClearPersistedSelection) {
+          logger.info('Clearing invalid credential selection - credential was disconnected', {
+            selectedId,
+            provider: effectiveProviderId,
+          })
+
+          // Clear via setStoreValue to trigger cascade
+          setStoreValue('')
+          setSelectedId('')
+
+          if (effectiveProviderId) {
+            useDisplayNamesStore
+              .getState()
+              .removeDisplayName('credentials', effectiveProviderId, selectedId)
+          }
+        }
       }
     } catch (error) {
       logger.error('Error fetching credentials:', { error })
     } finally {
       setIsLoading(false)
     }
-  }, [effectiveProviderId, selectedId, activeWorkflowId])
+  }, [effectiveProviderId, selectedId, activeWorkflowId, isPreview, setStoreValue])
 
   // Fetch credentials on initial mount and whenever the subblock value changes externally
   useEffect(() => {
@@ -204,6 +226,24 @@ export function CredentialSelector({
     }
   }, [fetchCredentials])
 
+  // Listen for credential disconnection events from settings modal
+  useEffect(() => {
+    const handleCredentialDisconnected = (event: Event) => {
+      const customEvent = event as CustomEvent
+      const { providerId } = customEvent.detail
+      // Re-fetch if this disconnection affects our provider
+      if (providerId && (providerId === effectiveProviderId || providerId.startsWith(provider))) {
+        fetchCredentials()
+      }
+    }
+
+    window.addEventListener('credential-disconnected', handleCredentialDisconnected)
+
+    return () => {
+      window.removeEventListener('credential-disconnected', handleCredentialDisconnected)
+    }
+  }, [fetchCredentials, effectiveProviderId, provider])
+
   // Handle popover open to fetch fresh credentials
   const handleOpenChange = (isOpen: boolean) => {
     setOpen(isOpen)

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel-new/components/editor/components/sub-block/components/file-selector/components/google-drive-picker.tsx

@@ -150,6 +150,14 @@ export function GoogleDrivePicker({
           if (data.file) {
             setSelectedFile(data.file)
             onFileInfoChange?.(data.file)
+
+            // Cache the file name
+            if (selectedCredentialId && data.file.id && data.file.name) {
+              useDisplayNamesStore.getState().setDisplayNames('files', selectedCredentialId, {
+                [data.file.id]: data.file.name,
+              })
+            }
+
             return data.file
           }
         } else {
@@ -335,6 +343,13 @@ export function GoogleDrivePicker({
               setSelectedFile(fileInfo)
               onChange(file.id, fileInfo)
               onFileInfoChange?.(fileInfo)
+
+              // Cache the selected file name
+              if (selectedCredentialId) {
+                useDisplayNamesStore
+                  .getState()
+                  .setDisplayNames('files', selectedCredentialId, { [file.id]: file.name })
+              }
             }
           }
         },

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel-new/components/editor/components/sub-block/sub-block.tsx

@@ -3,6 +3,7 @@ import { AlertTriangle } from 'lucide-react'
 import { Label, Tooltip } from '@/components/emcn/components'
 import { cn } from '@/lib/utils'
 import type { FieldDiffStatus } from '@/lib/workflows/diff/types'
+import { useDependsOnGate } from '@/app/workspace/[workspaceId]/w/[workflowId]/components/panel-new/components/editor/components/sub-block/hooks/use-depends-on-gate'
 import type { SubBlockConfig } from '@/blocks/types'
 import {
   ChannelSelectorInput,
@@ -157,7 +158,15 @@ function SubBlockComponent({
     | string[]
     | null
     | undefined
-  const isDisabled = disabled || isPreview
+
+  // Use dependsOn gating to compute final disabled state
+  const { finalDisabled: gatedDisabled } = useDependsOnGate(blockId, config, {
+    disabled,
+    isPreview,
+    previewContextValues: subBlockValues,
+  })
+
+  const isDisabled = gatedDisabled
 
   /**
    * Selects and renders the appropriate input component for the current sub-block `config.type`.

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/workflow-block/workflow-block.tsx

@@ -12,7 +12,7 @@ import {
   BLOCK_DIMENSIONS,
   useBlockDimensions,
 } from '@/app/workspace/[workspaceId]/w/[workflowId]/hooks/use-block-dimensions'
-import type { SubBlockConfig } from '@/blocks/types'
+import { SELECTOR_TYPES_HYDRATION_REQUIRED, type SubBlockConfig } from '@/blocks/types'
 import { useCollaborativeWorkflow } from '@/hooks/use-collaborative-workflow'
 import { useCredentialDisplay } from '@/hooks/use-credential-display'
 import { useDisplayName } from '@/hooks/use-display-name'
@@ -237,7 +237,10 @@ const SubBlockRow = ({
 
   const isPasswordField = subBlock?.password === true
   const maskedValue = isPasswordField && value && value !== '-' ? '•••' : null
-  const displayValue = maskedValue || credentialName || dropdownLabel || genericDisplayName || value
+
+  const isSelectorType = subBlock?.type && SELECTOR_TYPES_HYDRATION_REQUIRED.includes(subBlock.type)
+  const hydratedName = credentialName || dropdownLabel || genericDisplayName
+  const displayValue = maskedValue || hydratedName || (isSelectorType && value ? '-' : value)
 
   return (
     <div className='flex items-center gap-[8px]'>

apps/sim/blocks/types.ts

@@ -73,6 +73,20 @@ export type SubBlockType =
   | 'variables-input' // Variable assignments for updating workflow variables
   | 'text' // Read-only text display
 
+/**
+ * Selector types that require display name hydration
+ * These show IDs/keys that need to be resolved to human-readable names
+ */
+export const SELECTOR_TYPES_HYDRATION_REQUIRED: SubBlockType[] = [
+  'oauth-input',
+  'channel-selector',
+  'file-selector',
+  'folder-selector',
+  'project-selector',
+  'knowledge-base-selector',
+  'document-selector',
+] as const
+
 export type ExtractToolOutput<T> = T extends ToolResponse ? T['output'] : never
 
 export type ToolOutputToValueType<T> = T extends Record<string, any>

apps/sim/hooks/use-display-name.ts

@@ -516,6 +516,28 @@ export function useDisplayName(
         })
         .catch(() => {})
         .finally(() => setIsFetching(false))
+    }
+    // Google Drive files/folders (fetch by ID since no list endpoint via Picker API)
+    else if (
+      (provider === 'google-drive' || subBlock.serviceId === 'google-drive') &&
+      typeof value === 'string' &&
+      value
+    ) {
+      const queryParams = new URLSearchParams({
+        credentialId: context.credentialId,
+        fileId: value,
+      })
+      fetch(`/api/tools/drive/file?${queryParams.toString()}`)
+        .then((res) => res.json())
+        .then((data) => {
+          if (data.file?.id && data.file.name) {
+            useDisplayNamesStore
+              .getState()
+              .setDisplayNames('files', context.credentialId!, { [data.file.id]: data.file.name })
+          }
+        })
+        .catch(() => {})
+        .finally(() => setIsFetching(false))
     } else {
       setIsFetching(false)
     }

apps/sim/stores/display-names/store.ts

@@ -41,6 +41,11 @@ interface DisplayNamesStore {
    */
   getDisplayName: (type: keyof DisplayNamesCache, context: string, id: string) => string | null
 
+  /**
+   * Remove a single display name
+   */
+  removeDisplayName: (type: keyof DisplayNamesCache, context: string, id: string) => void
+
   /**
    * Clear all cached display names for a type/context
    */
@@ -103,6 +108,22 @@ export const useDisplayNamesStore = create<DisplayNamesStore>((set, get) => ({
     return contextCache?.[id] || null
   },
 
+  removeDisplayName: (type, context, id) => {
+    set((state) => {
+      const contextCache = { ...state.cache[type][context] }
+      delete contextCache[id]
+      return {
+        cache: {
+          ...state.cache,
+          [type]: {
+            ...state.cache[type],
+            [context]: contextCache,
+          },
+        },
+      }
+    })
+  },
+
   clearContext: (type, context) => {
     set((state) => {
       const newTypeCache = { ...state.cache[type] }

apps/sim/triggers/gmail/poller.ts

@@ -38,7 +38,8 @@ export const gmailPollingTrigger: TriggerConfig = {
           | string
           | null
         if (!credentialId) {
-          return []
+          // Return a sentinel to prevent infinite retry loops when credential is missing
+          throw new Error('No Gmail credential selected')
         }
         try {
           const response = await fetch(`/api/tools/gmail/labels?credentialId=${credentialId}`)
@@ -55,7 +56,7 @@ export const gmailPollingTrigger: TriggerConfig = {
           return []
         } catch (error) {
           logger.error('Error fetching Gmail labels:', error)
-          return []
+          throw error
         }
       },
       dependsOn: ['triggerCredentials'],

apps/sim/triggers/outlook/poller.ts

@@ -38,7 +38,7 @@ export const outlookPollingTrigger: TriggerConfig = {
           | string
           | null
         if (!credentialId) {
-          return []
+          throw new Error('No Outlook credential selected')
         }
         try {
           const response = await fetch(`/api/tools/outlook/folders?credentialId=${credentialId}`)
@@ -55,7 +55,7 @@ export const outlookPollingTrigger: TriggerConfig = {
           return []
         } catch (error) {
           logger.error('Error fetching Outlook folders:', error)
-          return []
+          throw error
         }
       },
       dependsOn: ['triggerCredentials'],