MAT-Cell: A Multi-Agent Tree-Structured Reasoning Framework for Batch-Level Single-Cell Annotation. - Yehui Yang; Zelin Zang; Changxi Chi; Jingbo Zhou; Xienan Zheng; Yuzhe Jia; Chang Yu 001; Jinlin Wu; Fuji Yang; Jiebo Luo 001; Zhen Lei 001; Stan Z. Li (CoRR, 2026)