Use YYLO workflow Records

Treat Ledger as the source of truth for workflow identity, validated definition, and revision history. Use yy ledger in a YYLO controller or yylo-ledger standalone. Inspect COMMAND workflow --help; if the namespace is absent, do not invent it or edit Ledger storage directly.

Keep three boundaries distinct

1. Ledger stores and validates workflow data. It does not execute workflows.
2. A separately selected YYLO runner executes reviewed workflow data. Storage does not grant execution, network, mutation, release, or deployment authority.
3. Artifact Records retain run evidence. Do not overwrite the workflow definition with stdout, logs, model output, reports, or receipts.

The read-only Ledger host also has no workflow execution endpoint.

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