refactor(codegen): 优化代码生成模板

- 将 API路径和权限标识改为使用 kebab-case 风格- 优化了部分代码注释和命名
- 优化代码生成的注释，增加返回值解释

src/main/java/com/youlai/boot/shared/codegen/service/impl/CodegenServiceImpl.java

@@ -225,7 +225,7 @@ public class CodegenServiceImpl implements CodegenService {
         bindMap.put("tableName", genConfig.getTableName());
         bindMap.put("author", genConfig.getAuthor());
         bindMap.put("lowerFirstEntityName", StrUtil.lowerFirst(entityName)); // UserTest → userTest
-        bindMap.put("kebabCaseEntityName", StrUtil.toSymbolCase(entityName, '-')); // UserTest → user-websocket
+        bindMap.put("kebabCaseEntityName", StrUtil.toSymbolCase(entityName, '-')); // UserTest → user-test
         bindMap.put("businessName", genConfig.getBusinessName());
         bindMap.put("fieldConfigs", fieldConfigs);