fix

app.log

@@ -49744,3 +49744,58 @@ Traceback (most recent call last):
     raise GraphRecursionError(msg)
 langgraph.errors.GraphRecursionError: Recursion limit of 20 reached without hitting a stop condition. You can increase the limit by setting the `recursion_limit` config key.
 For troubleshooting, visit: https://python.langchain.com/docs/troubleshooting/errors/GRAPH_RECURSION_LIMIT
+2025-06-06 09:16:45:__main__:INFO: Starting the interface
+2025-06-06 09:16:56:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-06 09:17:02:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-06 09:17:30:__main__:ERROR: Exception occurred
+Traceback (most recent call last):
+  File "/home/user/app/app.py", line 85, in chat_fn
+    async for stream_mode, chunk in graph.astream(
+  File "/usr/local/lib/python3.10/site-packages/langgraph/pregel/__init__.py", line 2677, in astream
+    raise GraphRecursionError(msg)
+langgraph.errors.GraphRecursionError: Recursion limit of 20 reached without hitting a stop condition. You can increase the limit by setting the `recursion_limit` config key.
+For troubleshooting, visit: https://python.langchain.com/docs/troubleshooting/errors/GRAPH_RECURSION_LIMIT
+2025-06-06 09:23:02:__main__:INFO: Starting the interface
+2025-06-06 09:23:14:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-06 09:23:17:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-06 09:23:20:__main__:ERROR: Exception occurred
+Traceback (most recent call last):
+  File "/home/user/app/app.py", line 85, in chat_fn
+    async for stream_mode, chunk in graph.astream(
+  File "/usr/local/lib/python3.10/site-packages/langgraph/pregel/__init__.py", line 2655, in astream
+    async for _ in runner.atick(
+  File "/usr/local/lib/python3.10/site-packages/langgraph/pregel/runner.py", line 400, in atick
+    _panic_or_proceed(
+  File "/usr/local/lib/python3.10/site-packages/langgraph/pregel/runner.py", line 509, in _panic_or_proceed
+    raise exc
+  File "/usr/local/lib/python3.10/site-packages/langgraph/pregel/retry.py", line 136, in arun_with_retry
+    return await task.proc.ainvoke(task.input, config)
+  File "/usr/local/lib/python3.10/site-packages/langgraph/utils/runnable.py", line 676, in ainvoke
+    input = await step.ainvoke(input, config, **kwargs)
+  File "/usr/local/lib/python3.10/site-packages/langgraph/utils/runnable.py", line 440, in ainvoke
+    ret = await self.afunc(*args, **kwargs)
+  File "/home/user/app/graph.py", line 194, in assistant_node
+    if isinstance(msg, HumanMessage):
+NameError: name 'HumanMessage' is not defined
+2025-06-06 09:24:10:__main__:INFO: Starting the interface
+2025-06-06 09:24:17:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-06 09:24:26:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-06 09:24:59:__main__:ERROR: Exception occurred
+Traceback (most recent call last):
+  File "/home/user/app/app.py", line 85, in chat_fn
+    async for stream_mode, chunk in graph.astream(
+  File "/usr/local/lib/python3.10/site-packages/langgraph/pregel/__init__.py", line 2677, in astream
+    raise GraphRecursionError(msg)
+langgraph.errors.GraphRecursionError: Recursion limit of 20 reached without hitting a stop condition. You can increase the limit by setting the `recursion_limit` config key.
+For troubleshooting, visit: https://python.langchain.com/docs/troubleshooting/errors/GRAPH_RECURSION_LIMIT
+2025-06-06 09:26:06:__main__:INFO: Starting the interface
+2025-06-06 09:26:11:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-06 09:26:25:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-06 09:26:59:__main__:ERROR: Exception occurred
+Traceback (most recent call last):
+  File "/home/user/app/app.py", line 85, in chat_fn
+    async for stream_mode, chunk in graph.astream(
+  File "/usr/local/lib/python3.10/site-packages/langgraph/pregel/__init__.py", line 2677, in astream
+    raise GraphRecursionError(msg)
+langgraph.errors.GraphRecursionError: Recursion limit of 20 reached without hitting a stop condition. You can increase the limit by setting the `recursion_limit` config key.
+For troubleshooting, visit: https://python.langchain.com/docs/troubleshooting/errors/GRAPH_RECURSION_LIMIT

graph.py

@@ -6,7 +6,8 @@ from typing import Annotated
 from typing_extensions import TypedDict
 
 import aiohttp
-from langchain_core.messages import AnyMessage
+from langchain_core.messages import AIMessage, HumanMessage, AnyMessage
+
 from langchain_core.prompts import ChatPromptTemplate, MessagesPlaceholder
 from langchain_core.tools import tool
 from langgraph.graph.state import CompiledStateGraph
@@ -190,7 +191,15 @@ async def assistant_node(state: GraphProcessingState, config=None):
     chain = prompt | assistant_model
     response = await chain.ainvoke({"messages": state.messages}, config=config)
 
-    print(response.content)
+    for msg in response:
+        if isinstance(msg, HumanMessage):
+            print("Human:", msg.content)
+        elif isinstance(msg, AIMessage):
+            if isinstance(msg.content, list):
+                ai_texts = [part.get("text", "") for part in msg.content if isinstance(part, dict)]
+                print("AI:", " ".join(ai_texts))
+            else:
+                print("AI:", msg.content)
 
     idea_complete = evaluate_idea_completion(response)
 
@@ -279,6 +288,16 @@ async def guidance_node(state: GraphProcessingState, config=None):
     # Get response from assistant
     response = await chain.ainvoke({"messages": state.messages}, config=config)
 
+    for msg in response:
+        if isinstance(msg, HumanMessage):
+            print("Human:", msg.content)
+        elif isinstance(msg, AIMessage):
+            if isinstance(msg.content, list):
+                ai_texts = [part.get("text", "") for part in msg.content if isinstance(part, dict)]
+                print("AI:", " ".join(ai_texts))
+            else:
+                print("AI:", msg.content)
+
     return {
         "messages": response,
         "next_stage": incomplete[0] if incomplete else None