Bug: AIAgent names are not allowed to be longer than 20 characters, when used in a Handsoff-Orchestration-Workflow. #1344
Description
In .NET:
When an AIAgent is build by a ChatClient and used afterwards in an Handoff-workflow, the name of the agent cannot be longer than 20 characters.
Otherwise an exception is thrown: HTTP 400 (invalid_request_error: string_above_max_length)
stacktrace:
Invalid 'messages[2].tool_calls[0].function.name': string too long. Expected a string with maximum length 64, but got a string with length 66 instead.
at OpenAI.ClientPipelineExtensions.ProcessMessageAsync(ClientPipeline pipeline, PipelineMessage message, RequestOptions options)
at OpenAI.Chat.ChatClient.CompleteChatAsync(BinaryContent content, RequestOptions options)
at OpenAI.Chat.ChatClient.<>c__DisplayClass19_0.<<CompleteChatStreamingAsync>b__0>d.MoveNext()
Assumed Reason:
When the agent is invoked in an orchestration workflow, then the agent name is renamed as follows:
- all
-(dashes) are replaced by_(underscores) - the agent name is prefixed with the workflow type, i.e,
handoff_to_ - the agent name is suffixed with
_agent_<some_GUID>(e.g. agent_52f607cf61294d3ea48a69778f1d2f48)
Example:
{ TurnToken = Microsoft.Agents.AI.Workflows.TurnToken, InvokedHandoff = handoff_to_my_very_special_agent_52f607cf61294d3ea48a69778f1d2f48, Messages = System.Collections.Generic.List`1[Microsoft.Extensions.AI.ChatMessage] })
The length of the InvokedHandoff-name seems to match the too-long length stated in the error message.
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