AI-Driven Student Support Agents in Online Learning: A Systematic Literature Review of Architectures, Design Patterns, and Effectiveness

Supplementary Materials for “AI-Driven Student Support Agents in Online Learning: A Systematic Literature Review of Architectures, Design Patterns, and Effectiveness” This supplementary package provides the detailed supporting materials underlying the systematic literature review and is intended to enhance the transparency, reproducibility, and auditability of the study. The materials include the complete list of identified and screened studies, study selection and screening records, quality assessment results, data extraction matrices, architecture and outcome classification records, thematic coding results, and supporting methodological documentation. The supplementary materials also provide detailed evidence supporting the study selection, quality-assessment procedures, and synthesis presented in the main manuscript. These files are provided separately to preserve the readability of the main article while allowing readers and reviewers to inspect the detailed evidence and analytical decisions underlying the review.