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AsyncTools can't continuously update the user while also treating tool output as a normal output

Aperta
  • Qualcosa non va?
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Valutazione

Difficoltà
3/5
Tempo stimato
1-2 giorni
Idoneità per principianti
55/100
Tipo di issue
Bug
Chiarezza
Abbastanza chiara
Stato di attività
Attiva
Stack tecnologico
python
Ambito
backend-api-design

Direzione di ricerca

No source files or tests are named in the issue. Start by reading the AsyncTool documentation and the API or implementation for ctx.update() and ctx.with_filler(), then trace how tool output is handled after execution. Done means a long-running tool can keep updating the user during execution and its returned output is also spoken as a normal result.

Scritto dal modello di indicizzazione a partire dal testo della issue.

Descrizione

bug
Bug Description

I have noticed that Livekit AsyncTools can't continuously keep updating the user during tool execution while at the same time return the tool output as a normal return/output. I see that the agent is able to either update the agent during tool execution, but not treat the tool output as a normal tool output. Or it can return the tool output as a normal output, but then it can't continuously keep updating the user during execution. It looks like these two things mutually exclusive and that we can't have both.

For more info on this, have a look at this post in Livekit community

Expected Behavior

My expectation is that a Livekit agent that has an AsyncTool should be able to continuously keep updating the agent during tool execution using ctx.update() and ctx.with_filler(). And when a tool output is returned, it should treat the tool output as a normal output and speak the result to the user.

Reproduction Steps
1. Create an AsyncTool that performs a long executing worfklow.
2. Implement ctx.update(), ctx.with_filler() and the tool output in the tool
Operating System

macOs

Models Used

Amazon Nova Sonic

Package Versions
Python 3.14
livekit 1.1.17
livekit-agents 1.8.0
livekit-api 1.2.1
livekit-plugins-aws 1.8.0
Session/Room/Call IDs

No response

Proposed Solution
AsyncTools should be able to continuously keep updating the agent during tool execution using ctx.update() and ctx.with_filler(). And when a tool output is returned, it should treat the tool output as a normal output and speak the result to the user.
Additional Context

Check this post in the Livekit community.

Screenshots and Recordings

No response

Lingua principale
Python
Stelle
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Fork
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Merge medio
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PR unite (30g)
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