Create PR Skill

Create a Pull Request from the current branch with 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. Check current branch is not main/master
CURRENT_BRANCH=$(git branch --show-current)
DEFAULT_BRANCH=$(git remote show origin | grep 'HEAD branch' | cut -d' ' -f5)
if [ "$CURRENT_BRANCH" = "$DEFAULT_BRANCH" ]; then