scR 0.7.0

• Adds optional monotone Gaussian process extrapolation using cmdstanr.
• Moves packaged Stan source files under inst/stan.
• Removes the hard dependency on caret for binary classification metrics.
• Improves CRAN compatibility for documentation, imports, S3 methods, and no-crossing summary/plot behavior.

scR 0.6.0

• Added empirical sample-complexity workflows and documentation updates.