The final report agent has been largely completed.

ReportEngine/nodes/__init__.py

@@ -0,0 +1,15 @@
+"""
+Report Engine节点处理模块
+实现报告生成的各个处理步骤
+"""
+
+from .base_node import BaseNode, StateMutationNode
+from .template_selection_node import TemplateSelectionNode
+from .html_generation_node import HTMLGenerationNode
+
+__all__ = [
+    "BaseNode",
+    "StateMutationNode", 
+    "TemplateSelectionNode",
+    "HTMLGenerationNode"
+]