React static luxury coffee shop changelog landing, Netflix style dark sections/cards, mock updates only…

React static luxury coffee shop changelog landing, Netflix style dark sections/cards, mock updates only…: a task in MiMo-V2.6-RL-harbor-webdev: MiMo-V2.6-RL Webdev (Harbor) (Harbor dataset). What the agent is asked, how it is graded, what it runs in, and its files.