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Job: ask for an outcome, then make Claude Code prove the play is valid before it runs.

Operating checklist

Before running:
  1. Confirm workspace with deepline auth status --json; for automation, run from a folder with .env.deepline.
  2. If using a prebuilt play, run deepline plays search and deepline plays describe.
  3. If authoring or editing a .play.ts, run deepline plays check <file>.
  4. Pilot with 1-3 rows or one JSON input.
  5. Inspect output and failures.
  6. Run the full job with --watch, then export the completed rows with deepline runs export <run-id> --out <output.csv>.
  7. Report input, output path, row counts, failures, and workspace.

Good prompt shape

This gives Claude Code the job, the input, and the safety gate.

Ask for checks by name

If the play changes, check it again.

Keep the story visible

Ask Claude Code to summarize the result like this:

Skills are optional

Skills help agents choose better provider paths. The Deepline CLI is still the execution layer.
Use the skill for judgment. Use plays check for proof.