v2.0.0

Features

• Add decree agents install and decree agents status for Codex and Claude
  Code skill onboarding.
• Add decree init --with-agents to scaffold a project and install
  project-local Codex/Claude Code skills in one command.
• Add document markdown overlays to the generated HTML board.
• Require buckets for new documents and add a decree generate-html static
  sprint board export.

Bug Fixes

• Speed up CLI startup by loading command modules only for the command being
  run.