feat(health): consultation_message + follow_up_record PII 加密

- 迁移 m000065/m000066: 添加 key_version 列
- consultation_message: content 加密写入 + 解密读取
- follow_up_record: result/patient_condition/medical_advice 加密
- Entity: 添加 key_version 字段

crates/erp-health/src/entity/consultation_message.rs

@@ -22,6 +22,8 @@ pub struct Model {
     #[sea_orm(skip_serializing_if = "Option::is_none")]
     pub deleted_at: Option<DateTimeUtc>,
     pub version: i32,
+    #[sea_orm(skip_serializing_if = "Option::is_none")]
+    pub key_version: Option<i32>,
 }
 
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]

crates/erp-health/src/entity/follow_up_record.rs

@@ -27,6 +27,8 @@ pub struct Model {
     #[sea_orm(skip_serializing_if = "Option::is_none")]
     pub deleted_at: Option<DateTimeUtc>,
     pub version: i32,
+    #[sea_orm(skip_serializing_if = "Option::is_none")]
+    pub key_version: Option<i32>,
 }
 
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]