feat: 重构信息提取模块，移除LLMClient依赖，改为使用LLMRequest，优化数据加载和处理逻辑

src/config/official_configs.py

@@ -627,3 +627,12 @@ class ModelConfig(ConfigBase):
 
     embedding: dict[str, Any] = field(default_factory=lambda: {})
     """嵌入模型配置"""
+
+    lpmm_entity_extract: dict[str, Any] = field(default_factory=lambda: {})
+    """LPMM实体提取模型配置"""
+
+    lpmm_rdf_build: dict[str, Any] = field(default_factory=lambda: {})
+    """LPMM RDF构建模型配置"""
+
+    lpmm_qa: dict[str, Any] = field(default_factory=lambda: {})
+    """LPMM问答模型配置"""