Create PR Skill

Create a Pull Request from current work with automatic branch creation, commit creation, intelligent remote detection, and PR content generation.

Prerequisites Check (MUST verify first)

Before proceeding, verify:

# 1. Check if in a git repository
git rev-parse --is-inside-work-tree

# 2. Check if gh CLI is available and authenticated
gh auth status

# 3. Record the current working tree state
git status --porcelain