Function load_runtime_server_config 

pub fn load_runtime_server_config(
    root_override: Option<&Path>,
) -> Result<ServerConfig, ProviderlessRuntimeError>

Loads the runtime server configuration and automatically bootstraps providerless local source-checkout state when the active configuration matches the .shardline/data convention and does not already provide a signing key.

Errors

Returns ProviderlessRuntimeError when configuration loading fails or when local providerless bootstrap cannot complete safely.