Summary

Perform live validation in the connected Slack environment once local code/tests are ready.

Tasks

• post a direct Slack image/screenshot and ask for analysis
• post an image-only root thread message and ask in reply for inspection
• test a multi-image Slack message
• verify response formatting in Slack
• confirm no duplicate-reply regression with current non-streaming Slack settings

Acceptance

• at least one live Slack screenshot/image workflow succeeds end to end

Parent

Epic: #51349