"""Retired object-engine IR adapter; the independent v2 schema is retained.

Current native execution is generated by native_codegen.compile_native_program.
It does not yet emit the separate System IR v2 execution-plan format.
"""


def compile_system_ir(*args, **kwargs):
    """Fail explicitly for callers of the removed GenericFluidSystem adapter."""
    raise NotImplementedError(
        "The GenericFluidSystem to System IR v2 exporter was retired with the Python "
        "numerical engine. Use native_codegen.compiler.compile_native_program(network) "
        "for the current C executable path. System IR v2 schema and validation remain available."
    )