deployment-modes.md told authors to use ${CLAUDE_PLUGIN_ROOT} in hook
commands. Hook authoring now belongs to primitive-author, which
specifies the target-neutral ${PLUGIN_ROOT}; point there instead.
Refs #94
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KkT7RSDwDbmrM9T34b6sTi