Add 'last_7' (Last 7 days) as a selectable period for all trends.
Changes are minimal since the period system is driven by PERIOD_CHOICES
and PERIOD_DAYS dicts — the rest of the infrastructure (views, templates,
Celery tasks, management commands) picks it up automatically.
- Add ('last_7', 'Last 7 days') to PERIOD_CHOICES in models.py
- Add 'last_7': 7 to PERIOD_DAYS in utils.py
- Migration 0004_alter_trendresult_period_add_last_7