"""Shared pytest fixtures for mgf-vm-forensics.

Per TESTING.md:
  * tier 1 (unit) — pure functions over in-memory pcap bytes; no
    network capture, no daemons.
  * tier 1 (fixtures) — replay against pre-recorded pcap files under
    tests/fixtures/ with the @pytest.mark.fixtures marker.
"""

from __future__ import annotations
