feat: add AsyncNemoGymRolloutManager for gym per-prompt rollouts#2528
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Introduce `nemo_rl/experience/interfaces.py` with `Completion` and `PromptGroupRecord` dataclasses to represent per-prompt rollout results. Add `run_async_nemo_gym_rollout_by_prompt` to `rollouts.py`, which runs N generations for a single prompt via a single batched NeMo-Gym `run_rollouts` call and returns a `PromptGroupRecord`. Add unit tests verifying standalone correctness and output equivalence against the existing `run_async_nemo_gym_rollout`. Signed-off-by: Yuki Huang <yukih@nvidia.com>
…GymRolloutManager Signed-off-by: Yuki Huang <yukih@nvidia.com>
Signed-off-by: Yuki Huang <yukih@nvidia.com>
Signed-off-by: Yuki Huang <yukih@nvidia.com>
Signed-off-by: Yuki Huang <yukih@nvidia.com>
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Issue
Part of RL-729.
Summary
Introduces a per-prompt rollout abstraction for the NeMo-Gym path.
nemo_rl/experience/interfaces.pywithCompletionandPromptGroupRecorddataclassesAsyncNemoGymRolloutManagerinnemo_rl/experience/rollout_manager.py— takes oneDatumSpec, runsnum_generations_per_promptrollouts via a singlerun_rolloutscall, and returns aPromptGroupRecordAsyncNemoGymRolloutManagerstandalone behavior, and parity tests against the originalrun_async_nemo_gym_rolloutTest plan
pytest tests/unit/experience/test_rollouts.py