Feat: Make the agent dialog window exposed to the outside world fill in the begin form #3221 (#9124)

### What problem does this PR solve?
Feat: Make the agent dialog window exposed to the outside world fill in
the begin form #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/hooks/use-agent-request.ts

@@ -10,6 +10,7 @@ import { DSL, IFlow, IFlowTemplate } from '@/interfaces/database/flow';
 import { IDebugSingleRequestBody } from '@/interfaces/request/agent';
 import i18n from '@/locales/config';
 import { BeginId } from '@/pages/agent/constant';
+import { BeginQuery } from '@/pages/agent/interface';
 import { useGetSharedChatSearchParams } from '@/pages/chat/shared-hooks';
 import agentService, {
   fetchAgentLogsByCanvasId,
@@ -46,6 +47,7 @@ export const enum AgentApiAction {
   FetchVersionList = 'fetchVersionList',
   FetchVersion = 'fetchVersion',
   FetchAgentAvatar = 'fetchAgentAvatar',
+  FetchExternalAgentInputs = 'fetchExternalAgentInputs',
 }
 
 export const EmptyDsl = {
@@ -584,3 +586,28 @@ export const useFetchAgentLog = (searchParams: IAgentLogsRequest) => {
 
   return { data, loading };
 };
+
+export const useFetchExternalAgentInputs = () => {
+  const { sharedId } = useGetSharedChatSearchParams();
+
+  const {
+    data,
+    isFetching: loading,
+    refetch,
+  } = useQuery<Record<string, BeginQuery>>({
+    queryKey: [AgentApiAction.FetchExternalAgentInputs],
+    initialData: {} as Record<string, BeginQuery>,
+    refetchOnReconnect: false,
+    refetchOnMount: false,
+    refetchOnWindowFocus: false,
+    gcTime: 0,
+    enabled: !!sharedId,
+    queryFn: async () => {
+      const { data } = await agentService.fetchExternalAgentInputs(sharedId!);
+
+      return data?.data ?? {};
+    },
+  });
+
+  return { data, loading, refetch };
+};