SimAB: Simulating A/B Tests with Persona-Conditioned AI Agents for Rapid Design Evaluation. - Tim Rieder; Marian Schneider; Mario Truss; Vitaly Tsaplin; Alina Rublea; Sinem Dere; Francisco Chicharro Sanz; Tobias Reiss; Mustafa Doga Dogan (CoRR, 2026)