Supplementary Data, Code, and Provenance Package for: When Forecast Accuracy Misleads Public Planning: Persistence Benchmarks and Structural Heterogeneity in Thai Provincial Healthcare Demand

This package provides the data, code, and provenance record supporting the diagnostic protocol and empirical results reported in the paper. All data are province-year administrative aggregates derived from publicly available Thai Ministry of Public Health (MOPH) annual reports; this is not a clinical or patient-level data release.