feat(rag): add document parsing structures

src/test/java/com/bruce/common/config/MybatisPlusConfigTests.java

@@ -0,0 +1,19 @@
+package com.bruce.common.config;
+
+import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class MybatisPlusConfigTests {
+
+    @Test
+    void mybatisPlusInterceptorShouldRegisterOptimisticLocker() {
+        MybatisPlusConfig config = new MybatisPlusConfig();
+
+        var interceptor = config.mybatisPlusInterceptor();
+
+        assertTrue(interceptor.getInterceptors().stream()
+                .anyMatch(OptimisticLockerInnerInterceptor.class::isInstance));
+    }
+}