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Recipe: promote a bot to paper

# 1. Snapshot the bot (idempotent — same hash returns same version).
curl -X POST http://localhost:8000/bots `
    -H "Content-Type: application/json" `
    -d @configs/bots/my-bot.yaml

# 2. Backtest the bot (gates require a recent backtest_runs row).
curl -X POST http://localhost:8000/bots/<bot_id>/backtest `
    -d '{"run_name":"pre-paper-check","overrides":{"start":"2024-01-01","end":"2024-06-30"}}'

# 3. Promote to paper.
curl -X POST http://localhost:8000/bots/<bot_id>/paper/start `
    -d '{"run_name":"my-bot-paper-1","overrides":{}}'

The paper-metadata gate​

Starting a paper session runs the strict metadata gate before launching. It rejects when:

  • model_urn or pipeline_urn is missing or malformed.
  • Either URN doesn't resolve in entity_aspects (mlModelMetadata / pipelineMetadata).
  • The resolved model status isn't Production or Staging.

There is no override/force flag — the gate is strict-only. See Concept: paper metadata gate for the full check order and how to seed a new config's aspects.

Risk + kill switch​

The session inherits the bot's risk_layer block (BotSpec.risk_layer in the bot's YAML). Trigger a stop:

curl -X POST http://localhost:8000/paper/stop-all
# or use the topbar kill switch in the Vite UI

Deeper reads​