Repair retrieval top-k validation consistently across functional and stateful TorchMetrics evaluation APIs.

Repair retrieval top-k validation consistently across functional and stateful TorchMetrics evaluation APIs.: a task in MiMo-V2.6-RL-harbor-terminal: MiMo-V2.6-RL Terminal (Harbor) (Harbor dataset). Repair the frozen TorchMetrics retrieval source tree under /app/vendor/torchmetrics so all four…

The task

Repair the frozen TorchMetrics retrieval source tree under `/app/vendor/torchmetrics` so all four public evaluation paths enforce one consistent `top_k` contract:

Part of FineEnvs/MiMo-V2.6-RL-harbor-terminal.