Add Slack notifications for workflows

[mintlify]

Summary

• Documented the new notify.slack frontmatter field for workflow files
• Added reference table for Slack notification options (channels, channel_ids, users, user_ids)
• Added example workflow demonstrating Slack notifications with auto-merge

This feature allows teams to receive Slack notifications when workflows complete or fail, without needing to check the dashboard.

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Note

Low Risk
Documentation-only changes that don’t affect runtime behavior; main risk is minor user confusion if the config details are inaccurate.

Overview
Adds documentation for a new workflow frontmatter field, notify, including a dedicated Slack notifications section describing how to configure notify.slack and what information notifications contain.

Includes a reference table for supported Slack targets (channels, channel_ids, users, user_ids) and adds an example workflow showing automerge: true combined with Slack notifications.

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