MOCHA: Multi-Objective Chebyshev Annealing for Agent Skill Optimization. - Md. Mehrab Tanjim; Jayakumar Subramanian; Xiang Chen 010; Branislav Kveton; Subhojyoti Mukherjee; Anlan Zhang; Sungchul Kim; Somdeb Sarkhel; Sunav Choudhury (CoRR, 2026)