{"status":"running","environment":"negotiation-env","version":"1.0.0","tasks":[{"name":"task_a_easy","difficulty":"easy","description":"Easy negotiation: fair opponent, wide ZOPA, plenty of rounds","success_threshold":0.2},{"name":"task_b_medium","difficulty":"medium","description":"Medium negotiation: greedy opponent, narrow ZOPA, fewer rounds","success_threshold":0.3},{"name":"task_c_hard","difficulty":"hard","description":"Hard negotiation: impatient opponent, tight margins, very few rounds","success_threshold":0.4}]}