Update config, core models, and web app; refresh Python 3.11 cache

This commit includes general updates to application configuration, core data models, and various web application components (knowledge base, error handling, static assets, and websocket server). It also refreshes the Python 3.11 bytecode cache, likely due to underlying code changes and environment alignment.

src/core/models.py

@@ -86,6 +86,9 @@ class KnowledgeEntry(Base):
     verified_by = Column(String(100))  # 验证人
     verified_at = Column(DateTime)  # 验证时间
     vector_embedding = Column(Text)  # 向量嵌入的JSON字符串
+    search_frequency = Column(Integer, default=0)  # 搜索频率
+    last_accessed = Column(DateTime)  # 最后访问时间
+    relevance_score = Column(Float, default=0.0)  # 相关性评分
 
 class VehicleData(Base):
     """车辆实时数据模型"""