Manual Installation of Multimodal Backends

Backend status

multimodal_backend_status()
#>             backend installed     version engine_ready
#> mirt           mirt      TRUE        1.48           NA
#> cmdstanr   cmdstanr      TRUE       0.9.0         TRUE
#> posterior posterior      TRUE       1.7.1           NA
#> loo             loo      TRUE 2.10.1.9000           NA
#> TMB             TMB     FALSE        <NA>           NA
#> brms           brms      TRUE      2.23.0           NA

Custom M2/M3 engines require CmdStanR plus CmdStan. Missing engines are gated; eyeprocess does not silently substitute a simpler model.