fix(aihr): bind SOP reviews to pilot identity

backend/script/sql/aihr_practice_mysql8.sql

@@ -237,6 +237,7 @@ CREATE TABLE IF NOT EXISTS `aihr_sop_answer_review` (
   `reference_text` varchar(1000) DEFAULT NULL COMMENT '引用',
   `snippet_count` int DEFAULT 0 COMMENT '命中片段数',
   `source` varchar(50) DEFAULT 'knowledge_search' COMMENT '来源',
+  `requester_ext_party_id` varchar(100) DEFAULT NULL COMMENT '提问员工外部主体ID',
   `prompt_version` varchar(80) DEFAULT NULL COMMENT '答案生成提示词版本',
   `usable` tinyint DEFAULT NULL COMMENT '人工评审是否可用',
   `reviewer` varchar(100) DEFAULT NULL COMMENT '评审人',