feat: support human in the loop

src/graph/builder.py

@@ -8,6 +8,7 @@ from .nodes import (
     research_team_node,
     researcher_node,
     coder_node,
+    human_feedback_node,
 )
 
 
@@ -26,5 +27,6 @@ def build_graph():
     builder.add_node("research_team", research_team_node)
     builder.add_node("researcher", researcher_node)
     builder.add_node("coder", coder_node)
+    builder.add_node("human_feedback", human_feedback_node)
     builder.add_edge("reporter", END)
     return builder.compile(checkpointer=memory)