dag-library

Use this skill when the user wants to KEEP a dag definition and run it again later — the graph is an asset, not a one-off. For authoring a brand-new graph, read mass-ulw first; this skill covers the storage-and-rerun half.

The shape

A stored definition is a plain dag definition JSON file named <name>.json in one of the library dirs. First hit wins:

1. $OMO_DAG_LIBRARY (multiple dirs, separated by : — or by ; on Windows, so drive-letter paths survive)
2. $PWD/.omo/dags
3. $HOME/.omo/dags