"""Synthetic src/ fixture for code_path_audit v2 integration tests.

Defines 3 TypeAliases (Metadata, FileItems, History) + 6 functions
(2 producers, 4 consumers). The integration tests assert the
exact expected profiles per aggregate. See
conductor/tracks/code_path_audit_20260607/plan_v2.md Phase 10.
"""
from __future__ import annotations