this is the one that hit

app.log

@@ -54372,3 +54372,374 @@ generated_image_url_from_dalle
   Input should be a valid string [type=string_type, input_value=None, input_type=NoneType]
     For further information visit https://errors.pydantic.dev/2.10/v/string_type
 During task with name 'prompt_planning_node' and id '6a9d734e-45cb-d263-138f-1c8d99909d3c'
+2025-06-10 17:53:34:__main__:INFO: Starting the interface
+2025-06-10 17:53:48:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 17:53:57:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 17:54:06:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 17:54:14:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 17:54:25:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:19:44:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:19:44:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:20:59:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:20:59:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:24:18:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:24:25:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:24:26:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:24:34:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:24:43:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:24:43:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:24:51:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:25:28:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:26:11:__main__:INFO: Starting the interface
+2025-06-10 18:26:23:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:26:34:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:26:53:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:27:11:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:27:25:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:27:49:__main__:ERROR: Exception occurred
+Traceback (most recent call last):
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\the_backup2\dev\DIY_assistant\app.py", line 115, in chat_fn
+    async for stream_mode, chunk in graph.astream(
+    ...<56 lines>...
+                    yield output, gr.skip(), gr.skip()
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\__init__.py", line 2652, in astream
+    while loop.tick(input_keys=self.input_channels):
+          ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\loop.py", line 493, in tick
+    mv_writes, updated_channels = apply_writes(
+                                  ~~~~~~~~~~~~^
+        self.checkpoint,
+        ^^^^^^^^^^^^^^^^
+    ...<3 lines>...
+        self.trigger_to_nodes,
+        ^^^^^^^^^^^^^^^^^^^^^^
+    )
+    ^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\algo.py", line 305, in apply_writes
+    if channels[chan].update(vals) and get_next_version is not None:
+       ~~~~~~~~~~~~~~~~~~~~~^^^^^^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\channels\last_value.py", line 58, in update
+    raise InvalidUpdateError(msg)
+langgraph.errors.InvalidUpdateError: At key 'next_stage': Can receive only one value per step. Use an Annotated key to handle multiple values.
+For troubleshooting, visit: https://python.langchain.com/docs/troubleshooting/errors/INVALID_CONCURRENT_GRAPH_UPDATE
+2025-06-10 18:28:59:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:28:59:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:29:32:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:29:32:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:29:40:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:30:34:__main__:INFO: Starting the interface
+2025-06-10 18:30:39:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:30:46:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:31:01:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:31:39:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:32:06:__main__:ERROR: Exception occurred
+Traceback (most recent call last):
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\the_backup2\dev\DIY_assistant\app.py", line 115, in chat_fn
+    async for stream_mode, chunk in graph.astream(
+    ...<56 lines>...
+                    yield output, gr.skip(), gr.skip()
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\__init__.py", line 2655, in astream
+    async for _ in runner.atick(
+    ...<7 lines>...
+            yield o
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\runner.py", line 400, in atick
+    _panic_or_proceed(
+    ~~~~~~~~~~~~~~~~~^
+        futures.done.union(f for f, t in futures.items() if t is not None),
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+        timeout_exc_cls=asyncio.TimeoutError,
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+        panic=reraise,
+        ^^^^^^^^^^^^^^
+    )
+    ^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\runner.py", line 509, in _panic_or_proceed
+    raise exc
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\retry.py", line 136, in arun_with_retry
+    return await task.proc.ainvoke(task.input, config)
+           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\utils\runnable.py", line 678, in ainvoke
+    input = await step.ainvoke(input, config)
+            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\utils\runnable.py", line 440, in ainvoke
+    ret = await self.afunc(*args, **kwargs)
+          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\graph\branch.py", line 185, in _aroute
+    value = reader(config)
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\read.py", line 110, in do_read
+    return mapper(read(select, fresh))
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\graph\state.py", line 1050, in _coerce_state
+    return schema(**input)
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\pydantic\main.py", line 214, in __init__
+    validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self)
+pydantic_core._pydantic_core.ValidationError: 1 validation error for GraphProcessingState
+generated_image_url_from_dalle
+  Input should be a valid string [type=string_type, input_value=None, input_type=NoneType]
+    For further information visit https://errors.pydantic.dev/2.10/v/string_type
+During task with name 'prompt_planning_node' and id 'ba788899-a21c-7c86-6067-02aac28f178b'
+2025-06-10 18:42:10:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:42:10:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:42:10:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:42:35:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:43:17:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:43:17:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:47:25:__main__:INFO: Starting the interface
+2025-06-10 18:47:50:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:48:14:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:48:27:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:48:41:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:48:54:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:49:06:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:49:32:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:51:50:__main__:ERROR: Exception occurred
+Traceback (most recent call last):
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\the_backup2\dev\DIY_assistant\app.py", line 115, in chat_fn
+    async for stream_mode, chunk in graph.astream(
+    ...<56 lines>...
+                    yield output, gr.skip(), gr.skip()
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\__init__.py", line 2655, in astream
+    async for _ in runner.atick(
+    ...<7 lines>...
+            yield o
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\runner.py", line 400, in atick
+    _panic_or_proceed(
+    ~~~~~~~~~~~~~~~~~^
+        futures.done.union(f for f, t in futures.items() if t is not None),
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+        timeout_exc_cls=asyncio.TimeoutError,
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+        panic=reraise,
+        ^^^^^^^^^^^^^^
+    )
+    ^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\runner.py", line 509, in _panic_or_proceed
+    raise exc
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\retry.py", line 136, in arun_with_retry
+    return await task.proc.ainvoke(task.input, config)
+           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\utils\runnable.py", line 678, in ainvoke
+    input = await step.ainvoke(input, config)
+            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\utils\runnable.py", line 440, in ainvoke
+    ret = await self.afunc(*args, **kwargs)
+          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\graph\branch.py", line 185, in _aroute
+    value = reader(config)
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\read.py", line 110, in do_read
+    return mapper(read(select, fresh))
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\graph\state.py", line 1050, in _coerce_state
+    return schema(**input)
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\pydantic\main.py", line 214, in __init__
+    validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self)
+pydantic_core._pydantic_core.ValidationError: 1 validation error for GraphProcessingState
+generated_image_url_from_dalle
+  Input should be a valid string [type=string_type, input_value=None, input_type=NoneType]
+    For further information visit https://errors.pydantic.dev/2.10/v/string_type
+During task with name 'prompt_planning_node' and id '6eac4045-a372-ef04-7eff-3052a9c5e7f9'
+2025-06-10 18:53:34:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:54:43:__main__:INFO: Starting the interface
+2025-06-10 18:54:48:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 18:54:53:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:55:15:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:55:38:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:55:44:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:56:13:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:56:31:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 18:57:23:__main__:ERROR: Exception occurred
+Traceback (most recent call last):
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\the_backup2\dev\DIY_assistant\app.py", line 115, in chat_fn
+    async for stream_mode, chunk in graph.astream(
+    ...<56 lines>...
+                    yield output, gr.skip(), gr.skip()
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\__init__.py", line 2655, in astream
+    async for _ in runner.atick(
+    ...<7 lines>...
+            yield o
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\runner.py", line 400, in atick
+    _panic_or_proceed(
+    ~~~~~~~~~~~~~~~~~^
+        futures.done.union(f for f, t in futures.items() if t is not None),
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+        timeout_exc_cls=asyncio.TimeoutError,
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+        panic=reraise,
+        ^^^^^^^^^^^^^^
+    )
+    ^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\runner.py", line 509, in _panic_or_proceed
+    raise exc
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\retry.py", line 136, in arun_with_retry
+    return await task.proc.ainvoke(task.input, config)
+           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\utils\runnable.py", line 678, in ainvoke
+    input = await step.ainvoke(input, config)
+            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\utils\runnable.py", line 440, in ainvoke
+    ret = await self.afunc(*args, **kwargs)
+          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\graph\branch.py", line 185, in _aroute
+    value = reader(config)
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\read.py", line 110, in do_read
+    return mapper(read(select, fresh))
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\graph\state.py", line 1050, in _coerce_state
+    return schema(**input)
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\pydantic\main.py", line 214, in __init__
+    validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self)
+pydantic_core._pydantic_core.ValidationError: 1 validation error for GraphProcessingState
+generated_image_url_from_dalle
+  Input should be a valid string [type=string_type, input_value=None, input_type=NoneType]
+    For further information visit https://errors.pydantic.dev/2.10/v/string_type
+During task with name 'prompt_planning_node' and id 'c9117536-3169-af11-e785-1c7cea3c2c62'
+2025-06-10 19:00:21:__main__:INFO: Starting the interface
+2025-06-10 19:00:44:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 19:01:29:__main__:INFO: Starting the interface
+2025-06-10 19:01:45:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 19:02:00:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:02:14:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:02:24:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:02:46:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:03:38:__main__:ERROR: Exception occurred
+Traceback (most recent call last):
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\the_backup2\dev\DIY_assistant\app.py", line 115, in chat_fn
+    async for stream_mode, chunk in graph.astream(
+    ...<56 lines>...
+                    yield output, gr.skip(), gr.skip()
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\__init__.py", line 2655, in astream
+    async for _ in runner.atick(
+    ...<7 lines>...
+            yield o
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\runner.py", line 400, in atick
+    _panic_or_proceed(
+    ~~~~~~~~~~~~~~~~~^
+        futures.done.union(f for f, t in futures.items() if t is not None),
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+        timeout_exc_cls=asyncio.TimeoutError,
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+        panic=reraise,
+        ^^^^^^^^^^^^^^
+    )
+    ^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\runner.py", line 509, in _panic_or_proceed
+    raise exc
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\retry.py", line 136, in arun_with_retry
+    return await task.proc.ainvoke(task.input, config)
+           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\utils\runnable.py", line 678, in ainvoke
+    input = await step.ainvoke(input, config)
+            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\utils\runnable.py", line 440, in ainvoke
+    ret = await self.afunc(*args, **kwargs)
+          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\graph\branch.py", line 185, in _aroute
+    value = reader(config)
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\read.py", line 110, in do_read
+    return mapper(read(select, fresh))
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\graph\state.py", line 1050, in _coerce_state
+    return schema(**input)
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\pydantic\main.py", line 214, in __init__
+    validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self)
+pydantic_core._pydantic_core.ValidationError: 1 validation error for GraphProcessingState
+generated_image_url_from_dalle
+  Input should be a valid string [type=string_type, input_value=None, input_type=NoneType]
+    For further information visit https://errors.pydantic.dev/2.10/v/string_type
+During task with name 'prompt_planning_node' and id '0b2c5f03-8dbb-6f3d-d087-e32905c66861'
+2025-06-10 19:13:18:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 19:13:18:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 19:14:35:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 19:14:35:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 19:17:48:__main__:INFO: Starting the interface
+2025-06-10 19:18:03:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 19:18:03:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 19:18:39:__main__:INFO: Starting the interface
+2025-06-10 19:18:51:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 19:19:06:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:19:25:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:19:44:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:19:58:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:20:06:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:20:21:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:21:07:__main__:ERROR: Exception occurred
+Traceback (most recent call last):
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\the_backup2\dev\DIY_assistant\app.py", line 115, in chat_fn
+    async for stream_mode, chunk in graph.astream(
+    ...<56 lines>...
+                    yield output, gr.skip(), gr.skip()
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\__init__.py", line 2655, in astream
+    async for _ in runner.atick(
+    ...<7 lines>...
+            yield o
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\runner.py", line 400, in atick
+    _panic_or_proceed(
+    ~~~~~~~~~~~~~~~~~^
+        futures.done.union(f for f, t in futures.items() if t is not None),
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+        timeout_exc_cls=asyncio.TimeoutError,
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+        panic=reraise,
+        ^^^^^^^^^^^^^^
+    )
+    ^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\runner.py", line 509, in _panic_or_proceed
+    raise exc
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\retry.py", line 136, in arun_with_retry
+    return await task.proc.ainvoke(task.input, config)
+           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\utils\runnable.py", line 678, in ainvoke
+    input = await step.ainvoke(input, config)
+            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\utils\runnable.py", line 440, in ainvoke
+    ret = await self.afunc(*args, **kwargs)
+          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\graph\branch.py", line 185, in _aroute
+    value = reader(config)
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\pregel\read.py", line 110, in do_read
+    return mapper(read(select, fresh))
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\langgraph\graph\state.py", line 1050, in _coerce_state
+    return schema(**input)
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\site-packages\pydantic\main.py", line 214, in __init__
+    validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self)
+pydantic_core._pydantic_core.ValidationError: 1 validation error for GraphProcessingState
+generated_image_url_from_dalle
+  Input should be a valid string [type=string_type, input_value=None, input_type=NoneType]
+    For further information visit https://errors.pydantic.dev/2.10/v/string_type
+During task with name 'prompt_planning_node' and id '334bcc8d-b6ee-7499-28ac-091333bdcb02'
+2025-06-10 19:27:35:__main__:INFO: Starting the interface
+2025-06-10 19:27:42:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 19:28:25:__main__:INFO: Starting the interface
+2025-06-10 19:28:28:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 19:29:38:__main__:INFO: Starting the interface
+2025-06-10 19:29:43:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 19:30:15:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:30:25:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:30:39:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:31:20:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:31:54:__main__:ERROR: Exception occurred
+Traceback (most recent call last):
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\the_backup2\dev\DIY_assistant\app.py", line 115, in chat_fn
+    async for stream_mode, chunk in graph.astream(
+    ...<56 lines>...
+                    yield output, gr.skip(), gr.skip()
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\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
+2025-06-10 19:32:17:__main__:INFO: Starting the interface
+2025-06-10 19:32:23:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 19:33:05:__main__:INFO: Starting the interface
+2025-06-10 19:33:12:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-10 19:33:27:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:33:39:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:33:59:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:34:10:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:34:46:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-10 19:37:15:__main__:ERROR: Exception occurred
+Traceback (most recent call last):
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\the_backup2\dev\DIY_assistant\app.py", line 115, in chat_fn
+    async for stream_mode, chunk in graph.astream(
+    ...<56 lines>...
+                    yield output, gr.skip(), gr.skip()
+  File "C:\myworkspace\huggingface_agents\mcp-hackthon\dev\DIY_assistant\env\Lib\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
+2025-06-10 19:41:16:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.

graph.py

@@ -6,6 +6,9 @@ import uuid
 import aiohttp
 import json
 import httpx
+import io 
+import requests
+from urllib.parse import quote
 
 from typing import Annotated
 from typing import TypedDict, List, Optional, Literal
@@ -14,6 +17,8 @@ from typing_extensions import TypedDict
 from pydantic import BaseModel, Field
 from trafilatura import extract
 
+from huggingface_hub import InferenceClient
+
 from langchain_core.messages import AIMessage, HumanMessage, AnyMessage, ToolCall, SystemMessage, ToolMessage
 from langchain_core.prompts import ChatPromptTemplate, MessagesPlaceholder
 from langchain_core.tools import tool
@@ -178,6 +183,11 @@ threed_object_gen_model = ChatOpenAI(
         # other params...
     )
 
+huggingfaceclient = InferenceClient(
+    provider="hf-inference",
+    api_key=os.environ["HF_TOKEN"],
+)
+
 model = weak_model
 assistant_model = weak_model
 
@@ -764,6 +774,117 @@ ACCURATE PROMPT FOR MODEL GENERATING: [Your final single-paragraph prompt here]
                 print("Error: OPENAI_API_KEY environment variable not set.")
                 updates["messages"].append(AIMessage(content="OpenAI API key not configured. Cannot generate image."))
             else:
+
+                # try:
+                    # --- Your existing client setup ---
+
+                #     prompt = dalle_prompt_text
+                #     model_id = "black-forest-labs/FLUX.1-dev" # or any other model
+
+                #     print(f"Generating image for prompt: '{prompt}' with model '{model_id}'...")
+                #     # output is a PIL.Image object
+                #     image = huggingfaceclient.text_to_image(
+                #         prompt,
+                #         model=model_id,
+                #     )
+                #     print("Image generated successfully.")
+
+                #     # --- Code to save the image ---
+
+                #     # 1. Define the directory name
+                #     output_directory = "files"
+
+                #     os.makedirs(output_directory, exist_ok=True)
+                #     print(f"Ensured directory '{output_directory}' exists.")
+
+                #     image_filename = "astronaut_horse.png" 
+
+                #     full_save_path = os.path.join(output_directory, image_filename)
+
+                #     # 5. Save the PIL.Image object
+                #     # The image object (if it's a PIL.Image) has a .save() method
+                #     image.save(full_save_path)
+
+                #     print(f"Image saved successfully to: {full_save_path}")
+
+                #     if image:
+                #         print("\nAttempting to upload generated image to Supabase...")
+
+                #         # Define the filename for Supabase (can include a path prefix)
+                #         supabase_target_filename = f"hf_generated_{uuid}" # Example: put in a 'hf_generated' folder
+
+                #         # 1. Save the PIL image to a temporary in-memory buffer
+                #         img_byte_arr = io.BytesIO()
+                #         image.save(img_byte_arr, format='JPEG') # Match Dart's 'image/jpeg'
+                #         img_byte_arr.seek(0) # Reset buffer's position to the beginning
+
+                #         # Prepare the file for the multipart/form-data request
+                #         # The field name 'file' and 'filename' should match what your Edge Function expects.
+                #         files_payload = {
+                #             'file': (supabase_target_filename, img_byte_arr, 'image/jpeg')
+                #         }
+
+                #         # Headers (Content-Type for multipart/form-data is set automatically by requests
+                #         # when using the `files` parameter, but you can set other headers if your edge function needs them)
+                #         upload_headers = {
+                #             # 'Authorization': 'Bearer YOUR_SUPABASE_ANON_KEY_OR_SERVICE_KEY_IF_EDGE_FUNCTION_NEEDS_IT'
+                #         }
+
+                #         print(f"Uploading image to Supabase Edge Function: as {supabase_target_filename}...")
+                #         supabase_public_url = None
+                #         try:
+                #             upload_response = requests.post(
+                #                 'https://yqewezudxihyadvmfovd.supabase.co/functions/v1/storage-upload',
+                #                 files=files_payload,
+                #                 headers=upload_headers
+                #             )
+                #             upload_response.raise_for_status()  # Raise an HTTPError for bad responses (4XX or 5XX)
+
+                #             # 2. Parse the response from the Edge Function
+                #             #    The Dart code expects: imgresponse.data['data']['path']
+                #             response_json = upload_response.json()
+                #             if 'data' in response_json and 'path' in response_json['data']:
+                #                 raw_path = response_json['data']['path']
+                #                 print(f"Edge function returned raw path: {raw_path}")
+
+                #                 # 3. Construct the public URL
+                #                 #    The public URL format for Supabase Storage is:
+                #                 #    SUPABASE_URL/storage/v1/object/public/BUCKET_NAME/FILE_PATH
+                #                 #    The FILE_PATH needs to be URL encoded.
+                #                 encoded_path = quote(raw_path)
+                #                 # generated_image_url = f"{encoded_path}"'https://yqewezudxihyadvmfovd.supabase.co/storage/v1/object/public/product_images/$encodedPath';
+                #                 generated_image_url =f"https://yqewezudxihyadvmfovd.supabase.co/storage/v1/object/public/product_images/{encoded_path}"
+
+                #                 print(f"\nSuccessfully uploaded to Supabase!")
+                #                 print(f"Public URL: {generated_image_url}")
+                #             else:
+                #                 print(f"Error: Unexpected response format from Edge Function: {response_json}")
+                #                 print("\nFailed to upload image to Supabase.")
+
+                #         except requests.exceptions.RequestException as e_upload:
+                #             print(f"Error uploading to Supabase: {e_upload}")
+                #             if hasattr(e_upload, 'response') and e_upload.response is not None:
+                #                 print(f"Supabase Response status: {e_upload.response.status_code}")
+                #                 print(f"Supabase Response text: {e_upload.response.text}")
+                #             print("\nFailed to upload image to Supabase.")
+                #         except Exception as e_upload_generic:
+                #             print(f"An unexpected error occurred during Supabase upload: {e_upload_generic}")
+                #             print("\nFailed to upload image to Supabase.")
+                #     else:
+                #         print("No image was generated, skipping Supabase upload.")
+
+                # except KeyError:
+                #     print("Error: The HF_TOKEN environment variable is not set.")
+                #     print("Please set it before running the script. For example:")
+                #     print("  export HF_TOKEN='your_hugging_face_api_token'")
+                # except ImportError:
+                #     print("Error: The Pillow (PIL) library might not be installed correctly.")
+                #     print("If 'image' is a PIL.Image object, Pillow is required to save it.")
+                #     print("You might need to install it: pip install Pillow huggingface_hub")
+                # except Exception as e:
+                #     print(f"An error occurred: {e}")
+                #     print("Make sure your API token is valid, has the necessary permissions,")
+                #     print(f"and the model '{model_id}' is accessible and compatible.")
                 # 1. Call DALL-E API
                 dalle_api_url = "https://api.openai.com/v1/images/generations"
                 dalle_headers = {