Record the secondary-heating-type coding fix in the accuracy ratchet note

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Khalim Conn-Kowlessar 2026-07-15 00:28:40 +00:00
parent be1e10e337
commit 948704d7b0

View file

@ -113,6 +113,11 @@ _MIN_WITHIN_HALF: float = 0.19
# community residual — cylinder insulation label int-coded so storage loss
# bills, Table 3 primary loss + RdSAP p.59 flat-rate charging default on the
# water-only heat-network branch (+5.7 -> +3.2). Observed 20.0% / MAE 1.383.
# Held at 1.39 (not loosened) after the secondary-heating-type coding fix
# (raw "Secondary System:" label int-coded to its Table 4a room-heater code
# instead of silently defaulting to code 693 eff 1.00): correctness fix,
# 499607224524 +4.0 -> +1.2, observed MAE 1.383 -> 1.381 — too small to
# tighten the 2-decimal ceiling, within-0.5 unchanged at 20.0%.
_MAX_SAP_MAE: float = 1.39
_KNOWN_GAP_REASON = (