feat(oa): switch web-admin OA APIs to initiatorSelectByNode

Co-authored-by: Cursor <cursoragent@cursor.com>

web-admin/src/api/oaApproval.ts

@@ -185,7 +185,7 @@ export function fetchOaTemplateDetail(appId: string) {
 /** 发起前审批流预览（条件齐后返回最终路径） */
 export function fetchOaFlowPreview(
   appId: string,
-  opts?: { formData?: Record<string, any>; initiatorSelectUserIds?: string[] }
+  opts?: { formData?: Record<string, any>; initiatorSelectByNode?: Record<string, string[]> }
 ) {
   return request.post<{
     resolved: boolean
@@ -195,7 +195,7 @@ export function fetchOaFlowPreview(
     url: `${BASE}/templates/${appId}/flow-preview`,
     data: {
       formData: opts?.formData || {},
-      initiatorSelectUserIds: opts?.initiatorSelectUserIds || undefined
+      initiatorSelectByNode: opts?.initiatorSelectByNode || undefined
     },
     showSuccessMessage: false
   })
@@ -217,7 +217,7 @@ export function fetchStartOaInstance(data: {
   formData?: Record<string, any>
   title?: string
   initiatorDeptId?: string
-  initiatorSelectUserIds?: string[]
+  initiatorSelectByNode?: Record<string, string[]>
   relatedInstanceIds?: string[]
 }) {
   return request.post({