from __future__ import annotations

WHATSAPP_LEGACY_FALLBACK_TENANT_SLUGS = frozenset(
    {
        "baco-lounge-bar",
    }
)


def uses_legacy_whatsapp_fallback_for_tenant_slug(tenant_slug: str | None) -> bool:
    normalized = str(tenant_slug or "").strip().lower()
    return normalized in WHATSAPP_LEGACY_FALLBACK_TENANT_SLUGS
