"""
MCLogger – Rate-Limiter Singleton
Shared across app.py and all blueprints to avoid circular imports.
"""
from flask_limiter import Limiter
from flask_limiter.util import get_remote_address

# In-memory storage is fine for single-process / single-worker deployments.
# For multi-worker gunicorn, set RATELIMIT_STORAGE_URI=redis://... in ENV.
limiter = Limiter(
    key_func=get_remote_address,
    storage_uri="memory://",
    default_limits=[],
)