feat(web-admin): link system user on personnel form

Allow binding a login account on driver/escort personnel so
miniprogram driver-plan visibility can resolve by sys_user_id.

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

web-admin/src/api/pl/index.ts

@@ -162,6 +162,8 @@ export interface Personnel {
   status: string
   remark?: string
   photoUrls?: string
+  /** 关联系统用户 ID */
+  sysUserId?: string | null
   nearestExpireDate?: string
   certList?: CertRead[]
   createTime: string
@@ -181,6 +183,8 @@ export interface PersonnelPayload {
   status: string
   remark?: string
   photoUrls?: string
+  /** 关联系统用户；传空串/null 表示清空 */
+  sysUserId?: string | null
   certList?: CertRow[]
 }