feat(rag): add document parsing structures

src/main/java/com/bruce/common/config/MybatisPlusConfig.java

@@ -0,0 +1,17 @@
+package com.bruce.common.config;
+
+import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
+import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class MybatisPlusConfig {
+
+    @Bean
+    public MybatisPlusInterceptor mybatisPlusInterceptor() {
+        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
+        interceptor.addInnerInterceptor(new OptimisticLockerInnerInterceptor());
+        return interceptor;
+    }
+}