Update PR Title and Description

Read the current PR title and body, analyze what changed in the session, and draft an updated title and description that preserves the original writing style.

Step 1: Fetch Current PR

Fetch the current PR details:

gh pr view [PR_NUMBER] --json number,title,body,baseRefName,headRefName,updatedAt,commits

Omit PR_NUMBER to auto-detect from current branch.

Step 2: Analyze the Existing Style

Before drafting, study the current title and body to identify: