refactor: flatten infrastructure packages

src/test/java/com/label/unit/PackageStructureMigrationTest.java

@@ -0,0 +1,39 @@
+package com.label.unit;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThatCode;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+@DisplayName("标准目录扁平化迁移守卫测试")
+class PackageStructureMigrationTest {
+
+    @Test
+    @DisplayName("基础设施类已迁移到目标目录")
+    void infrastructureTypesMoved() {
+        assertClassExists("com.label.annotation.OperationLog");
+        assertClassExists("com.label.aspect.AuditAspect");
+        assertClassExists("com.label.config.MybatisPlusConfig");
+        assertClassExists("com.label.config.OpenApiConfig");
+        assertClassExists("com.label.config.RedisConfig");
+        assertClassExists("com.label.event.ExtractionApprovedEvent");
+        assertClassExists("com.label.listener.ExtractionApprovedEventListener");
+
+        assertClassMissing("com.label.common.aop.OperationLog");
+        assertClassMissing("com.label.common.aop.AuditAspect");
+        assertClassMissing("com.label.common.config.MybatisPlusConfig");
+        assertClassMissing("com.label.common.config.OpenApiConfig");
+        assertClassMissing("com.label.common.config.RedisConfig");
+        assertClassMissing("com.label.module.annotation.event.ExtractionApprovedEvent");
+        assertClassMissing("com.label.module.annotation.service.ExtractionApprovedEventListener");
+    }
+
+    private static void assertClassExists(String fqcn) {
+        assertThatCode(() -> Class.forName(fqcn)).doesNotThrowAnyException();
+    }
+
+    private static void assertClassMissing(String fqcn) {
+        assertThatThrownBy(() -> Class.forName(fqcn)).isInstanceOf(ClassNotFoundException.class);
+    }
+}