fix(mrkdwn): strip Slack angle-bracket URL syntax from model output#502
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…kets When the model formats a bold PR link, it sometimes generates `**<https://url**>` instead of `**<https://url>**`, absorbing the closing bold marker inside the angle brackets. Slack then parses the URL as `https://url**` — a broken link. Add a post-processing regex in `renderSlackMrkdwn` that detects and repairs this pattern before the message is sent. Also add a prompt rule to explicitly tell the model not to place bold markers inside Slack angle-bracket URLs. Refs: https://sentry.slack.com/archives/C03USURCFBJ/p1780496988280239 Co-authored-by: Nick Meisenheimer <nicholas.meisenheimer@sentry.io> Co-authored-by: David Cramer <david@sentry.io>
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Problem
The model sometimes outputs Slack mrkdwn
<URL>syntax instead of bare URLs or Markdown links. This collides with bold markers —**<https://url**>gets the closing**absorbed inside the angle brackets, so Slack parses the URL ashttps://url**.Observed in production: this thread.
Fix
Strip
<URL>syntax inrenderSlackMrkdwnbefore delivery:<https://url>→https://url<https://url|label>→[label](https://url)Bare URLs auto-link in the Slack markdown block. Removing the angle-bracket syntax eliminates the collision surface entirely.
Verification
27 unit tests pass. Typecheck clean.
View Session in Sentry
Action taken on behalf of Nick Meisenheimer.