HF RL Explorer

Refactor: move TxPreProcessorCreator into RunTypeComponents

Refactor: move TxPreProcessorCreator into RunTypeComponents: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). Refactor: move TxPreProcessorCreator into RunTypeComponents Right now TxPreProcessorCreator is wired into the node as a standalone field on both…

Part of XiaomiMiMo/MiMo-V2.6-RL-oss.