📄 receipt_printer.proto
syntax = "proto3";

package receipt_printer;

service ReceiptPrinter {
    rpc Print(PrintRequest) returns (PrintResponse);
}

message PrintRequest {
    oneof content {
        TypstContent typst = 1;
    }
}

message TypstContent {
    optional string content = 1;
}

message PrintResponse {
}