// Migration chain across schema versions.
//// Each function rewrites a parsed TOML/JSON Value from version N → N+1.
// `migrate_to_latest` walks the chain. v1 is current, so the chain is empty.
useserde_json::Value;usesuper::ConfigError;#[allow(dead_code)]// wired in when v2 lands
pubfnmigrate_to_latest(value: Value)->Result<Value, ConfigError>{Ok(value)}