Solar Edge production curve question

New 4.8 kW solar system installed. Inverter is a solar edge SE3800H, so 3.8kW.

I’m noticing two things. Some days the curves are flattening at around 3.92 kW – I assume this is clipping due to it being a 3.8kW inverter. Correct? Is the 3.8kW inverter undersized or are the losses minimal enough to not sweat it?

More concerning to me is what has been happening recently. The production will flat-line below the 3.8 kW max. Examples are the “Yesterday” curve and the unlabeled one I posted.

Another oddity is the “Yesterday” curve’s production is listed as only 12.1 kWh, but the integral of that curve is clearly more than 12.1 kWh. Thoughts?

I’ve reached out to the installer tech support, but I wanted to get feedback here in the meantime. Thanks!