REDSearcher: A Scalable and Cost-Efficient Framework for Long-Horizon Search Agents. - Zheng Chu; Xiao Wang; Jack Hong; Huiming Fan; Yuqi Huang; Yue Yang; Guohai Xu; Chenxiao Zhao; Cheng Xiang 007; Shengchao Hu; Dongdong Kuang; Ming Liu; et al. (CoRR, 2026)