feat: Gemini生图时自动补充文章标签到ai_image_tags表

- 新增default_tag_id和default_tag_name字段，与tag_id和tag_name保持一致
- 设置status字段为'generate'，确保生成的图片可被后续匹配使用
- 确保标签数据的一致性和完整性

article_auto_image_matching.py

@@ -994,18 +994,20 @@ class ArticleImageMatcher:
                     image_id = cursor.lastrowid
                     logger.info(f"图片信息已插入ai_images表，image_id: {image_id}")
                     
-                    # 插入ai_image_tags表
+                    # 插入ai_image_tags表（default_tag_id和default_tag_name与tag_id和tag_name保持一致）
                     insert_tag_query = """
                     INSERT INTO ai_image_tags 
                     (image_id, image_name, image_url, image_thumb_url, tag_id, tag_name, 
                      keywords_id, keywords_name, department_id, department_name, 
-                     image_source, created_user_id, image_attached_article_count)
-                    VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
+                     default_tag_id, default_tag_name, image_source, created_user_id, image_attached_article_count, status)
+                    VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
                     """
                     cursor.execute(insert_tag_query, (
                         image_id, image_name, image_url, '', tag_id, tag_name,
                         keywords_id, keywords, department_id, department,
-                        3, 1, 0  # image_source: 3表示AI生成
+                        tag_id, tag_name,  # default_tag_id和default_tag_name与tag_id和tag_name一致
+                        3, 1, 0,  # image_source: 3表示AI生成
+                        'generate'  # status字段设置为generate
                     ))
                     tag_image_id = cursor.lastrowid
                     logger.info(f"图片标签信息已插入ai_image_tags表，tag_image_id: {tag_image_id}")