feat(ai): 新增 AI 流式回答功能 V3 版本

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2025-09-02 b278f87c6e9bbd0fadfc3f7097e54cc72a162480

 src/main/java/cc/mrbird/febs/mall/dto/MallNewsInfoDto.java

@@ -19,4 +19,10 @@
     */
    private Integer type;

    private String videoUrl;

    private String thumb;

    private String categoryId;

}