feat: Enhance news information query with full-text keyword search support

ruoyi-bussiness/src/main/java/com/ruoyi/cms/controller/app/AppNewsInfoController.java

@@ -26,7 +26,7 @@ public class AppNewsInfoController extends BaseController {
     @Autowired
     private INewsInfoService newsInfoService;
 
-    @ApiOperation("查询已上架新闻资讯列表")
+    @ApiOperation("查询已上架新闻资讯列表（支持标题和正文全文关键字 LIKE 查询）")
     @GetMapping("/list")
     public TableDataInfo list(NewsInfoQuery query) {
         startPage();

ruoyi-bussiness/src/main/java/com/ruoyi/cms/domain/news/NewsInfoQuery.java

@@ -17,9 +17,12 @@ public class NewsInfoQuery {
     @ApiModelProperty("每页条数")
     private Integer pageSize = 10;
 
-    @ApiModelProperty("标题关键词")
+    @ApiModelProperty("标题关键词（兼容 CMS 筛选）")
     private String title;
 
+    @ApiModelProperty("全文关键词，匹配标题和正文")
+    private String keyword;
+
     @ApiModelProperty("资讯模块字典值")
     private String module;