augment                 Augment SEM data with predictions, residuals,
                        SEs/CIs, and ordinal extras
hopper_plot             Hopper plot of the largest residual
                        correlations
item_data               Compute Empirical and Model-Based Item Curves
                        with Fit Diagnostics
item_plot               Plot model-implied vs empirical item curves by
                        latent factor (single- or multi-group)
lavPredict_parallel     Fast & robust parallel wrapper for
                        lavaan::lavPredict()
model_info              Extract compact, robust meta-information about
                        a lavaan fit
parameter_estimates     Parameter estimates from lavaan with a unified
                        schema
plot_cfa                Interactive CFA/SEM diagram via visNetwork
prepare                 Prepare smooth latent grids + model-based item
                        curves (continuous, ordinal, or mixed)
resid_cor               Residual correlations (Bentler or other types)
                        as a tidy tibble
resid_corrplot          Corrplot of residual correlations (configurable
                        type)
resid_qq                Q-Q plot of residual correlation z-statistics
