feat: 内容数据迁移至数据库，合规审查全链路打通

- 文章 HTML 存储从文件系统迁移至 articles 表，删除 releases 目录
- 合规审查从 DB 读取 HTML，审查结果写回 DB，通过后自动推进至待发布
- 新增 todayCount 筛选按钮，与系统概览统计数据一致
- 全屏预览修复：提升 z-index 超过侧边栏，添加退出全屏/关闭按钮
- 统一 '优化' → '审查' 命名，消除前后端术语不一致
- 调度器创作完成后自动触发审查（生成 → 审查 → 待发布）
- 清理旧备份/调试文件、过期大纲和研究笔记

scripts/creator.py

@@ -14,7 +14,6 @@ sys.path.insert(0, str(PROJECT_ROOT))
 from db_helper import get_topic_by_id, get_next_topic, update_topic_status
 
 DATA_DIR = PROJECT_ROOT / "automation" / "data"
-TOPICS_FILE = DATA_DIR / "sustainability_topics.json"  # 保留用于备份
 LOGS_DIR = PROJECT_ROOT / "automation" / "logs"
 TODAY = datetime.datetime.now().strftime("%Y-%m-%d")
 
@@ -29,26 +28,30 @@ logging.basicConfig(
 logger = logging.getLogger(__name__)
 
 def select_next_topic(topic_id: str = None) -> Dict:
-    """选择并锁定要创作的选题（从数据库）"""
+    """选择并锁定要创作的选题（趋势引擎匹配 → 回退优先级）"""
     if topic_id:
-        # 指定ID，查询数据库
         topic = get_topic_by_id(topic_id)
         if not topic:
             raise ValueError(f"Topic {topic_id} not found")
-        # 检查状态：禁止已发布状态重新创作
         current_status = topic.get('status')
         if current_status in ['已发布', 'published']:
             raise ValueError(f"Topic {topic_id} is already published, cannot recreate")
-        # 更新状态为「审查中」表示已经开始处理
         update_topic_status(topic_id, 'review')
         return topic
-    
-    # 自动选择：下一个待处理的选题
+
+    try:
+        from topic_selector import select_best_topic as engine_select
+        topic = engine_select()
+        if topic:
+            logger.info(f"选题引擎推荐: {topic['id']} {topic['title']}")
+            update_topic_status(topic['id'], 'review')
+            return topic
+    except Exception as e:
+        logger.warning(f"选题引擎失效，回退简单策略: {e}")
+
     topic = get_next_topic(priority='高') or get_next_topic()
     if not topic:
         raise ValueError("No available topics to create (all locked or wrong status)")
-    
-    # 更新状态为「审查中」表示已锁定
     update_topic_status(topic['id'], 'review')
     return topic