Add pull request summary to associated task record

Pull requests reference task IDs but often lack concise context, leaving sales reps without briefing-ready feature notes. The workflow appends an AI-organized summary to the task so reps have notes before release.

Overview

When pull requests land that reference task IDs but lack context, reps waste time hunting for feature details and miss timely outreach. This flow extracts the task ID, summarizes the PR body with AI, and appends a briefing-ready comment to the task so sales enablement and reps have notes within minutes ahead of release.