chore: import upstream snapshot with attribution

apps/sim/hooks/queries/copilot-chat-selection.ts

@@ -0,0 +1,38 @@
+import { useCallback } from 'react'
+import { skipToken, useQuery, useQueryClient } from '@tanstack/react-query'
+
+export const copilotChatSelectionKeys = {
+  all: ['copilot-chat-selection'] as const,
+  workflows: () => [...copilotChatSelectionKeys.all, 'workflow'] as const,
+  workflow: (workflowId?: string) =>
+    [...copilotChatSelectionKeys.workflows(), workflowId ?? ''] as const,
+}
+
+/**
+ * Reactive per-workflow copilot chat selection. Values are written via the
+ * returned setter; queryFn is `skipToken` so the cache only ever holds
+ * what setQueryData puts there.
+ */
+export function useCopilotChatSelection(workflowId?: string) {
+  const queryClient = useQueryClient()
+
+  const { data: chatId } = useQuery<string | null>({
+    queryKey: copilotChatSelectionKeys.workflow(workflowId),
+    queryFn: skipToken,
+    staleTime: Number.POSITIVE_INFINITY,
+    initialData: null,
+  })
+
+  const setChatId = useCallback(
+    (next: string | undefined) => {
+      if (!workflowId) return
+      queryClient.setQueryData<string | null>(
+        copilotChatSelectionKeys.workflow(workflowId),
+        next ?? null
+      )
+    },
+    [workflowId, queryClient]
+  )
+
+  return { chatId: chatId ?? undefined, setChatId }
+}