fix: truncate persona option text to 75 chars for Slack views.open limit#42
Merged
Sarath1018 merged 1 commit intofeature/darwinfrom May 7, 2026
Merged
fix: truncate persona option text to 75 chars for Slack views.open limit#42Sarath1018 merged 1 commit intofeature/darwinfrom
Sarath1018 merged 1 commit intofeature/darwinfrom
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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
swati354
approved these changes
May 7, 2026
rajivml
approved these changes
May 7, 2026
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Problem
The /personas slash command in the Slack bot was failing with:
Error sending select menu: The request to the Slack API failed. (url: https://www.slack.com/api/views.open)
'error': 'invalid_arguments'
'[ERROR] must be less than 76 characters [json-pointer:/view/blocks/0/element/options/27/text/text]'
One or more personas had a combined name • description string exceeding Slack's 75-character limit for plain_text option labels in static_select modals.
Fix
Truncate the option label f"{persona.name} • {persona.description}" to 75 characters before passing it to views.open.
Root Cause
Slack's Block Kit enforces a hard 75-character limit on plain_text option text in static_select elements. Persona option 27 (0-indexed) was exceeding this limit, causing the entire modal to fail.