MIRAGE: How Conversation State Shapes Historical Evidence Use in Multimodal Personal Agents
Findings show that historical evidence use should be evaluated under state variation, rather than inferred from outcome-only correctness, and that open-weight models rely heavily on context continuity and are reluctant to spontaneously switch to tool-mediated retrieval when provenance fails.
Yu Liu, Wen-Xiao Zhang, Cheng Hu et al.
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