Agents inherit model from parent session instead of hardcoding sonnet

bump version to v2.0.0

Add LICENSE, .gitignore, fix review.md numbering

Add async-reasoning skill and layered scope assessment to /plan

Remove cost estimation from /review

Defer PID file cleanup to end of orchestration

Update README with git clone install and review description

Rewrite /review to use spawn/monitor pattern with --only flag

Fix monitor.sh macOS compatibility

Move review into 05_progress/, free 10+ for refactoring templates

Initial release of zforge plugin