Files
lerobot-clone/src/lerobot
pepijn 1e7c0d6aa1 annotate(plan): force composite-action subtasks; ban ultra-fine splits
Tighten ``module_1_subtasks.txt`` so the VLM emits one composite
atomic action per subtask instead of decomposing every pick into
``move to X`` / ``grasp X`` / ``lift X``:

- Lock the verb vocabulary to the composite set the low-level
  policy actually learns end-to-end: ``pick up`` (approach + grasp +
  lift), ``put``/``place`` (transport + release), ``push``, ``pull``,
  ``turn``, ``press``, ``open``, ``close``, ``pour``, ``insert``.
  ``go to`` is allowed only as a pure relocation between phases.
- Add an explicit ``Forbidden ultra-fine splits`` block enumerating
  the patterns the VLM was tempted to emit (``move to X``,
  ``reach for X``, ``grasp X``, ``lift X``, ``release X``) and
  instructing it to fold each into its parent composite.
- Rewrite the Good/Bad examples to match the composite contract;
  the previous ``"move to blue cube" / "grasp blue cube" / "lift
  blue cube"`` Good list was actively encouraging the over-
  segmentation pattern this prompt is supposed to prevent.
- Tighten the duration rule: candidates shorter than
  ``min_subtask_seconds`` must be merged into a neighbour rather
  than emitted. Pairs with bumping the runtime floor to 3 s so
  composites have room to land.

Pure prompt change — no code or schema change. Existing canonical-
vocabulary retry path is unaffected (the new verb whitelist lives
in prose, not in the validator).

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-05-26 05:14:30 +00:00
..
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