"""Guard: `state_file` is a vestigial registry field (the old JSON-tracker-on-PVC path, superseded by the
single-DB-SSOT forward engine — spec sub-project A). It must never come back onto a `STRATEGY_REGISTRY`
entry (Phase 0b Task 8)."""
from __future__ import annotations

from fxhnt.registry import STRATEGY_REGISTRY


def test_no_state_file_field() -> None:
    assert all("state_file" not in e for e in STRATEGY_REGISTRY.values())
