Preamble (run first)

# 1. Resolve install dir — works whether you're running from the repo,
#    from a project-local skills install, or from a global install across
#    Claude Code, Codex, Cursor, or any other agent.
# Windsurf/agents users: set VARA_AGENT_NETWORK_SKILLS_DIR explicitly.
# NOTE: this preamble assumes bash. zsh's default `nomatch` errors on the
# plugin-cache glob; the guard below uses `ls -A` to only emit the glob
# when its parent directory has children, keeping the loop portable.
_PLUGIN_PARENT="$HOME/.claude/plugins/cache/vara-agent-network-skills/vara-agent-network-skills"
if [ -d "$_PLUGIN_PARENT" ] && [ -n "$(ls -A "$_PLUGIN_PARENT" 2>/dev/null)" ]; then
  _PLUGIN_GLOB="$_PLUGIN_PARENT/*"
else
  _PLUGIN_GLOB=""
fi
_VAN_DIR=""
for _d in \
  "${VARA_AGENT_NETWORK_SKILLS_DIR:-}" \