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Track F: Policy Backends

Focus: keep the same closed-loop policy contract and switch only the backend.

This is a specialized track. It makes more sense after the basics in Tracks D and G are already clear.

Shortest path: run the demo once, then compare the backend rows in the printed table.

Module

pixi run demo-policy-backends

What To Observe

  • The same example and policy interface run across openpi_pi05, lerobot, and mock.
  • Latency and action-horizon behavior differ by backend, but the closed-loop contract does not.
  • The CSV/JSON artifacts are optional evidence for later release-readiness checks.