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[Bug]: User interface stuck in infinite loop #87999

Description

@Sszgo

Bug type

Regression (worked before, now fails)

Beta release blocker

No

Summary

UI gets stuck in infinite “responding” state after every message

I am experiencing a repeatable issue where the UI becomes stuck after sending any message.

Steps to reproduce

Start the application/user interface.
Open a new session.
Send a simple message, for example: “hello”.
The assistant responds normally.
After the response is completed, the UI still shows the message as in progress / still responding.
The in-progress indicator never stops.
The Stop button does not stop the execution.
I cannot continue using the session normally.

Expected behavior

After the assistant finishes responding, the UI should mark the message as completed, stop the in-progress indicator, and allow the next message to be sent normally.

Deleting the session removes the stuck in-progress indicator, but the issue immediately comes back as soon as I create/send another message in a new session.

Actual behavior

UI gets stuck in infinite “responding” state after every message

I am experiencing a repeatable issue where the UI becomes stuck after sending any message.

OpenClaw version

2026.05.27

Operating system

windows 11

Install method

npm

Model

chatgpt 5.5

Provider / routing chain

openclaw - codex - gpt 5.5

Additional provider/model setup details

Image

Logs, screenshots, and evidence

Impact and severity

Severity: High

Additional information

first known bad version 2026.5.20

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    P1High-priority user-facing bug, regression, or broken workflow.bugSomething isn't workingclawsweeper:needs-infoClawSweeper needs more reporter information before it can verify this issue.clawsweeper:needs-maintainer-reviewClawSweeper marked this issue as needing maintainer review before automation.clawsweeper:no-new-fix-prClawSweeper does not recommend queueing a new automated fix PR for this issue.impact:session-stateSession, memory, transcript, context, or agent state can drift or corrupt.issue-rating: 🦪 silver shellfishThin issue quality; more reproduction proof or environment detail is needed.regressionBehavior that previously worked and now failsstaleMarked as stale due to inactivity

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