Temporal Auditing of Social Interaction Networks R package socialdrift version 0.1.0 Tools for constructing, auditing, and visualizing temporal social interaction networks from event-log data. Supports graph construction from raw user-to-user interaction logs, longitudinal tracking of network structure, community dynamics, user role trajectories, and concentration of engagement over time. Designed for computational social science, platform analytics, and digital community health monitoring. Includes four longitudinal audit indices: the Network Drift Index ('NDI'), Community Fragmentation Index ('CFI'), Visibility Concentration Index ('VCI'), and Role Mobility Index ('RMI'). 'NDI', 'CFI', 'VCI', and 'RMI' are purpose-built composite scores for longitudinal platform auditing. Software Depends: R (>= 4.1.0) Imports: dplyr (>= 1.1.0), tibble (>= 3.2.0), tidyr (>= 1.3.0), purrr (>= 1.0.0), ggplot2 (>= 3.4.0), igraph (>= 1.5.0), stats Suggests: testthat (>= 3.0.0), knitr, rmarkdown, patchwork Subir Hait <haitsubi@msu.edu> Comprehensive R Archive Network (CRAN) Subir Hait [aut, cre] (ORCID: <https://orcid.org/0009-0004-9871-9677>) GPL-3 2026-04-21 application/tgz https://CRAN.R-project.org/package=socialdrift doi:10.32614/CRAN.package.socialdrift