v1.2.0

🔧 Centralized Monorepo Management: - packages.json - New centralized package configuration - Scripts modernized: - load-packages.sh - Loads centralized config - generate-split-matrix.sh - Generates GitHub Actions matrix - update-split-yml.sh - Updates split.yml automatically - sync-ver.sh & publish-ver.sh - Now use centralized config

⚙️ GitHub Actions: - split.yml - Now triggers on main branch pushes + tags (was tags only) - Matrix generation - Auto-generated from packages.json

📦 New Package: - instructor-doctor - Added to monorepo

📚 Documentation: - Doc generation - Split from hub to separate system - Codeblocks - Many new HTTP examples added - CONTENTS.md & CONTRIBUTOR_GUIDE.md - Updated for new workflows

Key Impact: Eliminates manual package list maintenance across scripts and GitHub Actions.