Sarah Chen is preparing the September 30, 2025 margin-leakage briefing for Meridian Capital's executive…

Sarah Chen is preparing the September 30, 2025 margin-leakage briefing for Meridian Capital's executive…: a task in MiMo-V2.6-RL-harbor-general: MiMo-V2.6-RL General (Harbor) (Harbor dataset). What the agent is asked, how it is graded, what it runs in, and its files.