The §2 (13) draught-lobby fix landed the +46.3 kWh space-heating over-count
on the worksheet; the tracked diagnostic's header and run-banner now reflect
the closed state (Δ +0.0036 SAP, sub-2dp-rounding) instead of the open gap.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>