# =============================================================================
#  Project   : anomaly-atlas
#  File      : src/anomaly_atlas/stats/calendar.py
#  Purpose   : Calendar/seasonal/intraday effect tests
#  Author    : Simon-Pierre Boucher
#  Contact   : contact@spboucher.ai
#  Data src  : hfmarketdata.io (sole data source)
#  Created   : 2026-08-12
#  Modified  : 2026-08-12
#  Platform  : macOS / Apple Silicon (arm64)
#  License   : All rights reserved (research code)
# =============================================================================
"""Calendar/seasonal/intraday effect tests.

Stub scaffolded 2026-08-12; implemented in later phases (see CLAUDE.md).
"""