feat(analytics): lower maturity window to 2 days and reword about page

tests/test_config.py

@@ -132,7 +132,7 @@ def test_analytics_defaults_and_validation():
         write(path, base_config())
         cfg = load_config(path, env={})
         assert cfg.analytics.min_duration_seconds == 600
-        assert cfg.analytics.maturity_days == 14
+        assert cfg.analytics.maturity_days == 2
         assert cfg.analytics.min_view_for_efficiency == 0
         assert cfg.analytics.shrink_minutes is None