"""billing — DEPRECATED shim. Use app.domains.billing.

Phase 4.1 of AUDIT-2026-Q3.md moved app/billing/ to app/domains/billing/.
This shim re-exports the canonical surface and aliases submodules so that
`from app.billing.x402.router import router` keeps working.

MIGRATION: replace `from app.billing.x402 import ...` with
`from app.domains.billing.x402 import ...`.
"""
import sys as _sys
from app.domains.billing import x402 as _x402
from app.domains.billing.x402 import router as _router

# Public re-exports
from app.domains.billing.x402 import (  # noqa: F401
    X402Enforcer,
    TOOL_PRICES,
    CHAIN_USDC,
)

# Alias submodules so `from app.billing.x402.router import router` works
_sys.modules["app.billing.x402"] = _x402
_sys.modules["app.billing.x402.router"] = _router