feat:统一公共审计填充并调整系统枚举接口风格

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

@@ -0,0 +1,36 @@
+package com.bruce.common.config;
+
+import com.bruce.rag.entity.RagStore;
+import org.apache.ibatis.reflection.SystemMetaObject;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+class EntityAuditMetaObjectHandlerTests {
+
+    @Test
+    void insertFillShouldPopulateAuditFields() {
+        EntityAuditMetaObjectHandler handler = new EntityAuditMetaObjectHandler();
+        RagStore entity = new RagStore();
+
+        handler.insertFill(SystemMetaObject.forObject(entity));
+
+        assertNotNull(entity.getCreateTime());
+        assertNotNull(entity.getUpdateTime());
+        assertEquals("system", entity.getCreateBy());
+        assertEquals("system", entity.getUpdateBy());
+    }
+
+    @Test
+    void updateFillShouldRefreshUpdateAuditFields() {
+        EntityAuditMetaObjectHandler handler = new EntityAuditMetaObjectHandler();
+        RagStore entity = new RagStore();
+        entity.setUpdateBy("oldUser");
+
+        handler.updateFill(SystemMetaObject.forObject(entity));
+
+        assertNotNull(entity.getUpdateTime());
+        assertEquals("system", entity.getUpdateBy());
+    }
+}

src/test/java/com/bruce/common/entity/EntityStructureTests.java

@@ -1,6 +1,8 @@
 package com.bruce.common.entity;
 
+import com.baomidou.mybatisplus.annotation.FieldFill;
 import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.Version;
 import com.bruce.common.domain.model.BaseEntity;
@@ -65,4 +67,21 @@ class EntityStructureTests {
         assertTrue(Arrays.stream(SysEnum.class.getDeclaredFields()).noneMatch(field -> "version".equals(field.getName())));
         assertTrue(Arrays.stream(SysAttachment.class.getDeclaredFields()).noneMatch(field -> "version".equals(field.getName())));
     }
+
+    @Test
+    void auditFieldsShouldUseMybatisPlusAutoFill() throws NoSuchFieldException {
+        TableField createBy = BaseEntity.class.getDeclaredField("createBy").getAnnotation(TableField.class);
+        TableField createTime = BaseEntity.class.getDeclaredField("createTime").getAnnotation(TableField.class);
+        TableField updateBy = BaseEntity.class.getDeclaredField("updateBy").getAnnotation(TableField.class);
+        TableField updateTime = BaseEntity.class.getDeclaredField("updateTime").getAnnotation(TableField.class);
+
+        assertNotNull(createBy);
+        assertNotNull(createTime);
+        assertNotNull(updateBy);
+        assertNotNull(updateTime);
+        assertEquals(FieldFill.INSERT, createBy.fill());
+        assertEquals(FieldFill.INSERT, createTime.fill());
+        assertEquals(FieldFill.INSERT_UPDATE, updateBy.fill());
+        assertEquals(FieldFill.INSERT_UPDATE, updateTime.fill());
+    }
 }

src/test/java/com/bruce/common/handler/GlobalExceptionHandlerTests.java

@@ -0,0 +1,25 @@
+package com.bruce.common.handler;
+
+import com.bruce.common.domain.model.RequestResult;
+import org.junit.jupiter.api.Test;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+class GlobalExceptionHandlerTests {
+
+    @Test
+    void shouldReturnStructuredBadRequestForIllegalArgumentException() {
+        GlobalExceptionHandler handler = new GlobalExceptionHandler();
+        ResponseEntity<RequestResult<Void>> response = handler.handleIllegalArgumentException(
+                new IllegalArgumentException("知识库编码已存在: TEST-1"));
+
+        assertEquals(HttpStatus.BAD_REQUEST, response.getStatusCode());
+        assertNotNull(response.getBody());
+        assertEquals("400", response.getBody().getResultcode());
+        assertEquals("知识库编码已存在: TEST-1", response.getBody().getMessage());
+        assertEquals(null, response.getBody().getData());
+    }
+}