fix(db): V100迁移脚本移除update_time列引用，避免V103依赖问题

healthlink-his-server/healthlink-his-application/src/main/resources/db/migration/V100__sync_existing_emr_data.sql

@@ -28,11 +28,11 @@ WHERE e.id IS NOT NULL
     SELECT 1 FROM emr_revision r WHERE r.emr_id = e.id
   );
 
--- 3. 从doc_emr同步搜索索引
+-- 3. 从doc_emr同步搜索索引（不包含update_time列，因为V103才添加）
 INSERT INTO emr_search_index (
     id, emr_id, encounter_id, patient_id, patient_name,
     emr_type, emr_title, diagnosis_text,
-    doctor_name, department_name, create_time, update_time
+    doctor_name, department_name, create_time
 )
 SELECT
     nextval('emr_search_index_id_seq'),
@@ -65,8 +65,7 @@ SELECT
     ),
     COALESCE(u.name, '医生' || e.record_id),
     COALESCE(o.name, '未知科室'),
-    COALESCE(e.create_time, NOW()),
-    COALESCE(e.update_time, NOW())
+    COALESCE(e.create_time, NOW())
 FROM doc_emr e
 LEFT JOIN patient p ON e.patient_id = p.id
 LEFT JOIN sys_user u ON e.record_id = u.user_id