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31 commits
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Khalim Conn-Kowlessar
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d7a60efcdf |
fix(uvalues): thread glazing gap into pre-2002 window U fallback (RdSAP 10 Table 24, PDF p.50)
`u_window` hard-coded the 12 mm gap row for pre-2002 double/triple glazing (double 2.8, triple 2.1), ignoring the lodged glazing gap. Table 24 splits the pre-2002 rows by gap: double 6mm=3.1 / 12mm=2.8 / 16mm+=2.7; triple 6mm=2.4 / 12mm=2.1 / 16mm+=2.0 (PVC/wooden), with a metal-frame column (+0.5/+0.5/+0.5 ish). Added a `glazing_gap` parameter + `_glazing_gap_row` helper and wired `w.glazing_gap` through the synthesised-window caller in heat_transmission. Corpus impact nil by design: the gov-API mapper already resolves per-window U gap-aware via `_API_GLAZING_TYPE_GAP_TO_TRANSMISSION` (e.g. code 3 + gap "16+" → 2.7), so corpus certs use that lodged per-window U, not this fallback. This aligns the reduced-field / worksheet fallback path with the mapper and Table 24. Unknown gap still defaults to the 12 mm row. (Metal frames are not distinguishable on the gov-API path — only a `pvc_frame` boolean exists and Table 24 groups PVC+wooden — so the PVC/wooden U stands there; the metal column applies only where frame material is lodged.) Spec-pinned: pre-2002 double + triple gap-row tests. pyright not installed. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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Khalim Conn-Kowlessar
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600684f5df |
fix(uvalues): apply metal-frame U 1.6 for 2022-or-later windows (RdSAP 10 Table 24, PDF p.51)
Table 24 "Double or triple glazed, 2022 or later" row gives U = 1.4 for PVC/wooden frames and 1.6 for metal frames. `u_window` returned 1.4 for both, ignoring the metal-frame variant and under-counting metal-frame heat loss on post-2022 windows. The 2002-2021 and pre-2002 rows already split PVC/metal correctly; this aligns the 2022+ row. Spec-pinned in test_u_window_post_2022_metal_returns_table24_1_6_not_pvc_1_4. pyright not installed in this container. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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Khalim Conn-Kowlessar
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b22b27c0ff |
fix(uvalues): correct rafter-roof age-M default U 0.18->0.15 (RdSAP 10 Table 18 col 2, PDF p.46)
A full row-by-row audit of the roof U-value tables (16, 17, 18) and floor tables (19, 20) against the PDF found one numeric error: Table 18 column (2) "Pitched, insulation at rafters" band M is 0.15 W/m²K (footnote (1) only — no country variation; the whole M row converges to 0.15), but _ROOF_RAFTERS_BY_AGE carried 0.18. The rafters column diverges above the joist column at H-L (0.35/0.35/0.20/0.20/0.18) and rejoins it at M=0.15. Everything else in the roof/floor tables is exact: Table 16 joist + rafter thickness ladders, Table 17 room-in-roof (all 6 columns), Table 18 cols (1) joists / (3) flat / (4) room-in-roof, Table 19 (England & Wales) floor insulation defaults, and Table 20 (England) exposed-floor U-values. Known remaining gaps (NOT fixed — zero England-corpus reach, would need a new roof country-override mechanism): Scotland Table 18 footnote (2) K=0.20 (flat/ RR/thatch) and (3) joists-L=0.15; Scotland/NI Table 19 thicknesses; Scotland/ Wales Table 20 L/M overrides. Logged for a future country pass. Corpus unchanged (band-M rafter roofs essentially absent from the 1000-cert England corpus). pyright not installed in this container. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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Khalim Conn-Kowlessar
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381ecfda4c |
fix(uvalues): add missing Scotland band-J 0.30 wall override for all 7 as-built types (RdSAP 10 Table 7, PDF p.35)
A full code-vs-spec sweep of unknown-thickness as-built U-values across all seven wall types found exactly one divergence: Scotland age band J. Table 7 (Scotland) gives 0.30 for every uninsulated wall type, but the England base (Table 6) is 0.35 and the _COUNTRY_KLM_OVERRIDES[SCT] dicts listed H/K/L/M while omitting J — so a Scotland band-J wall wrongly returned England's 0.35. Added 'J': 0.30 to all 7 SCT as-built entries (granite, sandstone, solid brick, cavity, timber frame, system built, cob). The audit's companion finding — Scotland sandstone age E = 1.5 — needs NO table override: the §5.6 stone branch intercepts all sandstone bands A-E and already caps age E at 1.5 for Scotland (e_default in the prior commit), so a table-E override would be dead code. England base tables and Isle of Man (= England) are confirmed correct by the same sweep. Corpus unchanged (England-only corpus has no Scotland band-J certs). pyright not installed in this container — strict type gate not run locally. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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Khalim Conn-Kowlessar
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54ae05d04b |
fix(uvalues): default unknown-thickness stone to §3.5 Table 3 thickness, not flat 1.7 (RdSAP 10 Table 3, PDF p.20)
When a stone wall lodges no documentary thickness, RdSAP 10 §3.5 Table 3 supplies the default thickness to feed the §5.6 formula — it does NOT fall to a flat 1.7. Table 3 stone row: A-D = 500 mm, E = 450, F-H = 420; Scotland footnote (*) adds 200 mm for bands A,B and 100 mm otherwise. This matches accredited Elmhurst: an England age-B granite/whinstone wall, as built, unknown thickness defaults to 500 mm → U = 45.315 × 500^(-0.513) = 1.87 (sandstone → 1.68). The previous flat-1.7 fallback was a setup error — Table 6 reads "According to 5.6" for bands A-D with no 1.7 entry, so the formula (not 1.7) is the spec target. The age-E footnote-(a) cap still applies on top. Adds `_table_3_stone_thickness(band, country)`. Updated the stale `..._returns_table_6_age_a_default` pin (was 1.7 → now 1.87 via Table-3) and added sandstone (1.68) + Scotland-+200mm (700 mm → 1.39) pins. Corpus: within-0.5 71.6% unchanged, SAP MAE 0.821 → 0.819, PE MAE 3.7 → 3.6. pyright not installed in this container — strict type gate not run locally. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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Khalim Conn-Kowlessar
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7e187078b9 |
fix(uvalues): cap as-built stone U at age E only, not A-E; drop insulation-state gate (RdSAP 10 Tables 6-7 footnote a, PDF p.33-35)
Commit
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Khalim Conn-Kowlessar
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034d4b7cd5 |
fix(uvalues): bill known-insulation stone walls by the §5.6 thickness formula, uncapped (RdSAP 10 §5.6)
An uninsulated stone wall of lodged thickness, age bands A-E, is billed by the RdSAP 10 §5.6 Table-12 formula on its measured thickness — sandstone / limestone U = 54.876·W^-0.561, granite / whinstone U = 45.315·W^-0.513. Two bugs suppressed it: 1. CAP: the as-built branch capped the formula result at the Table-6 typical-thickness default (`if u0 >= 1.7: return 1.7`). But the formula only dips below 1.7 past ~488 mm (sandstone) / ~640 mm (granite), so the cap nullified §5.6 for essentially every real-thickness stone wall, under-counting fabric loss and over-rating. A measured 400 mm sandstone age-B wall is 1.90 (Elmhurst-confirmed), not 1.70. 2. NO INSULATION-STATE GATE: the branch fired for any stone wall with a lodged thickness, including ones whose insulation is "Unknown". RdSAP treats an unknown-insulation wall via the Table-6 typical-thickness default, NOT as bare stone of the lodged thickness — so a 50 mm granite wall with Unknown insulation must read 1.70 (worksheet), not the formula's 6.09. Gated on `wall_insulation_type is not None`. Fixes the 2 long-standing stone-U unit tests (granite 120 mm → 3.8871, sandstone 120 mm → 3.7408 — they were correct red tests, not "known fails"). Corpus within-0.5 70.3% -> 71.6% (MAE 0.833 -> 0.822); ratcheted floors to 0.71 / 0.83. Worksheet fixture 000565 (granite 50 mm Unknown → 1.70) still passes via the insulation gate. The two stone groups (sandstone/limestone vs granite/whinstone) keep their distinct §5.6 coefficients. pyright not installed in this codespace (strict gate not run locally). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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Khalim Conn-Kowlessar
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c5aa5620ca |
fix(uvalues): apply §5.8 insulation R to stone walls (RdSAP 10 p.41-42)
The §5.8 Table-14 added-insulation R-value adjustment was gated to
WALL_SOLID_BRICK, so a stone (granite/sandstone) wall lodging
wall_insulation_type 1/3 ("External"/"Internal") + a thickness fell
through the §5.6 thin-wall branch and was billed at its UNINSULATED U
(e.g. sandstone 520 mm + 100 mm internal: 1.64 instead of 0.30 → ~5×
the wall heat loss). Mirror the brick insulation branch into the stone
block, feeding the RAW §5.6 U₀ into the §5.8 chain per the same rule the
brick branch and the dry-lined granite pin 000565 already follow (the
Table-6 footnote (a) 1.7 cap does not apply on the insulated path).
Corpus cert 100052159386 (sandstone 520 mm + 100 mm internal): -26.20 ->
-4.08 SAP, walls 300 -> 55 W/K. RdSAP-21.0.1 corpus within-0.5 68.6% ->
68.8% (SAP MAE 0.942 -> 0.888; PE MAE 14.3 -> 13.9; CO2 0.27 -> 0.26);
floors/ceilings ratcheted. Unit-pinned in test_rdsap_uvalues.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Khalim Conn-Kowlessar
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5d556faf86 |
fix(roof): bill at-rafters insulation on RdSAP 10 Table 16/18 column (2)
`u_roof` only implemented the joist column, so roofs lodged insulated at rafters (`roof_insulation_location == 1`) were mis-billed at the joist U on both the API and Summary paths — under-stating loss, over-rating SAP. RdSAP 10 §5.11.2 Table 16 (spec p.42-43) gives a distinct "insulation at rafters" column (2): the rafter cavity is shallower than a loft void, so the same depth yields a higher U (200 mm: rafters 0.29 vs joists 0.21). §5.11 Table 18 (p.45) likewise carries a rafters column (2) for unknown / as-built thickness (footnote (1): "The value from the table applies for unknown and as built") — band A-D = 2.30, E = 1.50, F = 0.68, diverging from the joist column's 100 mm-equivalent 0.40 default (footnote (4)). - add `_ROOF_RAFTERS_BY_THICKNESS` (Table 16 col 2) + `_ROOF_RAFTERS_BY_AGE` (Table 18 col 2) to rdsap_uvalues; `u_roof` selects them via a new `insulation_at_rafters` flag (ignored for flat / sloping-ceiling roofs). - `heat_transmission` derives the flag PER BUILDING PART from `roof_insulation_location` (gov-API int 1 / Summary "R Rafters"), which also fixes the multi-part dedup-roof-join problem: each part's own location now drives its U, replacing the unattributable joined `epc.roofs[]` description. Worksheet-validated to 1e-4: simulated case 41 (4-bp — Ext1 rafters 200mm → 0.29, Ext3 rafters As-Built band F → 0.68; roof total 24.8350) and case 42 (6 variants — rafters 50mm → 0.88, rafters unknown band C → 2.30, joists/none unchanged). Case 40 stays exact (roof 35.340, total 441.1606); worksheet harness 47/47. Corpus within-0.5 66.9% → 66.5% (gates 0.65/1.08 hold) — a spec-correct shift, NOT a regression: all 15 corpus rafter certs carry redacted (None) thickness yet lodge roof EER 2-4 (insulated), so the open API blanked a specified thickness and the spec's unknown-rafter 2.30 default correctly over-states them. Recovery needs a roof-EER→thickness inference on the API path (follow-up), not a change to the U-table. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> |
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Khalim Conn-Kowlessar
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aab75cf902 |
fix(walls): reconcile gov-API wall_construction enum with the calc code-space
The gov-EPC API `wall_construction` enum diverges from the calculator's
internal WALL_* code-space (confirmed by the description-vs-code audit across
the corpus): API 1-5 align (granite/sandstone/solid-brick/cavity/timber), but
API 6=basement, 8=system built, 9=cob — whereas the calc constants are
WALL_SYSTEM_BUILT=6, WALL_COB=7, WALL_PARK_HOME=8, WALL_CURTAIN=9. Codes 8 and
9 therefore fell OUT of u_wall's `known_types` and resolved only via the
`walls[].description` fallback, with two failure modes:
- System built (API 8): a cert lodging no description silently defaulted to
cavity (1.5) instead of the system-built U (RdSAP 10 Table 6, e.g. band E
as-built 1.7). Latent in the corpus (all 43 carry a description) but a
silent mis-bill waiting to happen.
- Cob (API 9): a LIVE bug — calc WALL_CURTAIN=9 (set by the Summary path's
"CW" mapping, paired with a curtain_wall_age) intercepts code 9 in the
`construction == WALL_CURTAIN` branch, billing the cob wall at the curtain
default 2.0 regardless of description.
Fix, split by where each can be disambiguated safely:
- System built: `u_wall` gains `_GOV_API_WALL_CODE_TO_TYPE = {8: WALL_
SYSTEM_BUILT}`, resolving code 8 directly (calc WALL_PARK_HOME=8 is never
dispatched, so no collision; gov 6=basement is left to the basement
machinery — cannot remap 8→6).
- Cob: translated at the API mapper (`_api_wall_construction_code`, 9 →
WALL_COB=7) where the source is unambiguously the gov enum — the gov API
has no curtain code, so an API 9 is always cob. Applied to main + alt
walls across the from_rdsap_schema_* builders. The Summary path's "CW"→9
curtain mapping is untouched.
Worksheet harness UNAFFECTED (47/47, 0 divergers — Summary path unchanged).
API gauge 65.1% -> 65.3% within-0.5 (mean|err| 1.075 -> 1.059): the n=1 cob
cert now computes cob instead of curtain. 3 AAA tests (u_wall system-built
without description; mapper cob 9->7; aligned/system/basement pass-through).
pyright net-zero.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Khalim Conn-Kowlessar
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58cff932e6 |
fix(roof-U): flat roof, undetermined thickness, "no/limited insulation" → Table 18 age default
A flat roof lodged "Flat, no insulation" / "Flat, limited insulation" with
an undetermined insulation thickness ('ND'/'AB' → parsed None) was given the
Table 16 row-0/12mm U (2.30 / 1.50) from the description marker, regardless
of age band. Per RdSAP 10 §5.11.4 (PDF p.44) "U-values in Table 18 are used
when thickness of insulation cannot be determined" — the column (3)
flat-roof age-band default applies. The "no/limited insulation" text is
RdSAP's as-built rendering: at old bands (A-D) the column (3) default IS
2.30 (so those certs are unchanged), but a newer-band flat roof carries the
age-band insulation as built (band H = 0.35, F = 0.68, not 2.30).
Confirmed by the description-vs-rating audit: cert 0390-2753 (top-floor
flat, band H, "Flat, no insulation", thickness 'ND') lodges roof
energy_efficiency_rating = 3 (moderate U), NOT the rating-1 that 2.30
implies — and drove a -31.78 SAP error (roof 202 W/K over 88 m²). Same
masked-at-old-bands structure as the cavity-U fix: accurate at A-D where the
default coincides with 2.30, catastrophic only where it diverges.
Pitched roofs are deliberately NOT rerouted (their "no insulation" text is
load-bearing — the broad 'ND'→Table-18 reroute was empirically net-negative
for pitched lofts).
API SAP eval: 52.1% -> 53.1% within 0.5; <1.0 67.2% -> 68.0%; median |err|
0.475 -> 0.467; mean|err| 1.497 -> 1.424; flat-roof bucket within-0.5
23% -> 35% (11 improved, 2 regressed).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Khalim Conn-Kowlessar
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2e466ed1e6 |
fix(wall-U): as-built "insulated (assumed)" cavity uses Cavity-as-built row, not Filled cavity
An as-built cavity wall (wall_insulation_type=4) lodged "Cavity wall, as
built, insulated (assumed)" was routed to RdSAP 10 Table 6's "Filled
cavity" row. Per Table 6 (England, PDF p.41) the Filled-cavity row carries
the "†" footnote ("assumed as built") only at age bands I-M, where it is
numerically identical to "Cavity as built"; at bands A-H the Filled-cavity
row represents a GENUINE fill, not the as-built assumption. So an as-built
cavity must use the "Cavity as built" row at all bands (band G/H = 0.60,
not the filled 0.35).
This is the same latent A-H bug slice S0380.210 fixed for the "partial
insulation (assumed)" variant but left in place for "insulated (assumed)"
by a legacy production convention. The API SAP-accuracy cohort over-rated
"Cavity wall, as built, insulated (assumed)" certs at bands G/H by a clean
+1.38 / +1.61 SAP median (n=37 / n=18); bands I-M were unaffected (rows
coincide), confirming the spec mechanism per-band.
Retires the `_cavity_described_as_filled` description sniffer — as-built
cavities now always use the as-built row regardless of the rendered
insulation adjective; a genuine retrofit fill is still caught by the
explicit wall_insulation_type=2 branch.
API SAP eval: 48.6% -> 52.1% within 0.5; <1.0 63.8% -> 67.2%; median |err|
0.548 -> 0.475; mean|err| 1.561 -> 1.497; 909 computed, 0 raises.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Khalim Conn-Kowlessar
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f40485887d |
fix(u-value): RdSAP10 ignores gov-API wall insulation conductivity → §5.8 default λ
The gov EPC API field wall_insulation_thermal_conductivity is OUTPUT metadata in the openly-published EPC, not an input to the RdSAP10 tool (Elmhurst) that produced it — its wall entry is Type + Insulation + thickness only, with no conductivity field. So the RdSAP10 reduced-data method always uses the SAP 10.2 §5.8 (p.41) default λ=0.04 W/m·K, whatever code the register lodged. `_resolve_wall_insulation_lambda_w_per_mk` previously mapped only code 1 (→0.04) and RAISED on others, blocking cert 2090-6909-8060-5201-6401 (code 3 on an internally-insulated 360mm solid-brick wall) with calc_raise:ValueError. Now it returns the §5.8 default for any code. Validated: 2090 computes to SAP 73.97 vs lodged 74 (err -0.03); λ of 0.04 / 0.03 / 0.025 all round to 74, and Elmhurst exposes no conductivity input, so 0.04 is the spec-faithful RdSAP10 value. Eval computed 905→906; mean|err| 1.708→1.706. Regression green (only the 2 pre-existing stone-wall U failures); pyright net-zero (69=69). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> |
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Khalim Conn-Kowlessar
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a64e857b94 |
fix(u-value): "Unknown" roof insulation → Table 18 default, not 2.30
A roof lodged "Unknown loft insulation" carries roof_insulation_thickness "NI" (Not Indicated → parsed to 0) or "ND" (None): the thickness is UNDETERMINED, not zero. RdSAP 10 §5.11.4 (p.44) is deterministic here — "U-values in Table 18 are used when thickness of insulation cannot be determined" — so the roof takes the Table 18 age-band default (column (1) pitched / column (3) flat), NOT the uninsulated 2.30 the Table 16 row-0 lookup returns for a parsed-0 thickness. The "Unknown" text is RdSAP's rendering of the undetermined-thickness observation, distinct from a genuine "no insulation" lodgement (which keeps 2.30). u_roof gains an "unknown"-description branch ahead of the parsed-0 → 2.30 path, gated on undetermined thickness (None or 0). Top-floor flats with "Pitched/Flat, Unknown ... insulation" were the worst electric-flat under-raters: roof U=2.30 gave HLP ~3.7 on dwellings rated SAP 69-70. Cluster (14 certs, roof desc contains "unknown", no "no insulation"): mean |err| 7.79 → 1.82, within-0.5 1→4, within-1.0 1→6. Cert 9836 roof_w_per_k 58.2→10.1, SAP -27.8 → -3.5. Eval headline 44.4% → 44.8%, mean |err| 1.944 → 1.851. Two certs overshoot (other residuals the wrong roof-U was masking); the spec value is applied uniformly regardless. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> |
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Khalim Conn-Kowlessar
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27375d93a4 |
fix(u-value): solid brick as-built U by thickness — §5.7 Table 13
A 440 mm (>420 mm) solid brick AS-BUILT wall computed U = 1.70 (the 220 mm bucket default) instead of the RdSAP-correct 1.10. The §5.7 Table 13 thickness path only fired for *insulated* brick (external/ internal + thickness > 0); the as-built case fell through to the Table 6 cavity/solid age-band default. Spec: RdSAP 10 Specification (9th June 2025), §5.7 "U-values for uninsulated brick walls, age bands A to E", Table 13 (PDF p.40): ≤200 mm → 2.5, 200–280 mm → 1.7, 280–420 mm → 1.4, >420 mm → 1.1. Table 6 footnote (b) on the "Solid brick as built" row (PDF p.40): "Or from 5.7 if wall thickness is other than 200mm to 280mm" — the thickness table supersedes the flat 1.7 default whenever a documentary wall thickness is lodged (200–280 mm gives 1.7 either way). The §5.8 / Table 14 dry-lining R is added on top only when the wall is dry-lined, per the §5.7 closing sentence. Validated against the user-generated Elmhurst worksheet "simulated case 21" (replica of API cert 2818-3053-3203-2655-9204: mid-terrace, age band B, solid brick as-built 440 mm, room-in-roof). New §3 cascade pin `test_section_3_wall_u_by_thickness_case21_match_pdf` routes the Summary through the real extractor + mapper and pins: (31) 155.1000, (33) 175.6208, (36) 23.2650, (37) 198.8858 — all 1e-4. External walls Main U → 1.1000; Sheltered RR gable → 1/(1/1.10+0.5) = 0.71 (was 0.92). Pinned on §3 only (case-6 precedent): its code-908 instantaneous multi-point gas water heater has a separate §4 (219) gap. Cross-check: sim case 20 (220 mm) stays at 1.70 — unchanged. API SAP accuracy (scripts/eval_api_sap_accuracy.py, 896 computed certs): % |err| < 0.5 SAP vs lodged: 42.6% → 43.8%; mean |err| 2.045 → 2.010. Regression: tests/domain/sap10_calculator/ (1861), backend/ documents_parser/tests/ (574), datatypes/epc/ + rdsap golden fixtures all green (pre-existing test_total_floor_area excepted). pyright strict net-zero. No solid-brick fixture pin shifted (200–280 mm unchanged). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> |
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Khalim Conn-Kowlessar
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f895dd3ab7 |
S0380.217: capture wall_insulation_thermal_conductivity (was dropped)
Second silently-dropped field from the 2130 audit: the schema-21 SapBuildingPart never declared `wall_insulation_thermal_conductivity`, so `from_dict` discarded it. Captured it through schema 21.0.0/21.0.1 → domain SapBuildingPart → API mapper, and wired it into u_wall's RdSAP 10 §5.8 documentary-evidence R-value calc (both the solid-brick §5.7/§5.8 path and the cavity-composite path), replacing the bare 0.04 λ constant with a resolved λ. Resolver: absent / "Unknown" → the §5.8 default 0.04 W/m·K (mineral wool / EPS); a mapped code → its λ; an unmapped integer code RAISES so the enum is confirmed against a worksheet rather than silently mis-factored (same incremental-coverage discipline as the glazing-type map). Only code 1 (= the default 0.04) is mapped — the sole observed value (cert 2130 Ext1). Zero cascade effect today: the λ path fires only for solid-brick/cavity walls with a *measured* wall thickness, and 2130 Ext1 lodges no wall thickness, so its conductivity is captured-but-unused; all existing §5.8 certs lodge no conductivity → 0.04 default unchanged. The point is to stop dropping lodged data and make λ correct when a future cert exercises it. Suite: 2523 passed (1 pre-existing TFA fail); sap10_ml 237 passed (2 pre-existing stone-formula fails). Zero new pyright errors (46=46). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> |
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Khalim Conn-Kowlessar
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ac7f510ccb |
S0380.214: as-built sloping-ceiling roof → Table 18 col (3)
A "Pitched, sloping ceiling" roof (roof_construction code 8) lodged with
"As Built" insulation (no measured thickness → None) was wrongly routed to
RdSAP 10 Table 18 column (1) "insulation between joists or unknown". A
sloping ceiling has no joist void, so per RdSAP 10 §5.11 roof-input item
5-5 ("Sloping ceiling insulation … unknown / as built → Table 18") and
Table 18 note (b) ("Applies also to roof with sloping ceiling") it takes
column (3) — band F = 0.68, band L = 0.18 (vs col 1 0.40 / 0.16).
Discriminator is the code-8 "sloping ceiling" string only: code-5 vaulted
ceilings stay on column (1) per the 33 cohort-2 "ND" vaulted certs
(S0380.211), and the "NI"/"ND" unknown case is untouched. New
`is_pitched_sloping_ceiling` flag threaded from heat_transmission to
`u_roof`; pre-1950 bands already reach the same col (3) value (2.30) via
the mapper's thickness=0 → Table 16 row-0 override, so the new branch
carries the post-1950 bands where col 1 ≠ col 3.
Worksheet-validated by simulated case 15 (the 7536 replica): our cascade
on its Summary matches the P960 worksheet exactly — roof HLC 29.17 W/K,
cont SAP 65.04 vs 65. Re-pins golden cert 7536: roof 26.77 → 29.17, cont
SAP 69.071 → 68.924, PE -7.0776 → -6.1952, CO2 -0.1875 → -0.1639 (SAP
integer 68, resid +1 unchanged — the remaining +0.92 is a diffuse demand
under-count needing a fully-faithful worksheet). Blast radius: 7536 only.
Suite: 2388 passed, 1 skipped (main); sap10_ml 233 passed + 2 pre-existing
stone-formula failures (out of scope). Zero new pyright errors.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Khalim Conn-Kowlessar
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90f6720cae |
S0380.211: vaulted/sloping roof NI insulation → Table 18 col (1), not 50 mm
Closes the Ext1 vaulted-roof over-count that S0380.209 exposed on golden
cert 0240-0200-5706. BP2 lodges roof_construction=5 (vaulted ceiling),
roof_insulation_thickness="NI" (parsed to 0), description "Pitched,
insulated (assumed)", band J. The cascade returned U=0.68 — the RdSAP 10
§5.11.4 (p.44) retrofit-50 mm "insulation at joists" row. A vaulted /
sloping ceiling has no ceiling-joist void, so that row does not apply; per
RdSAP 10 §5.11 Table 18 (p.45) it takes the column (1) age-band default
(band J = 0.16).
The arbiter is the cohort, not the spec text alone: 33 cohort-2 certs
lodge "ND" (thickness None) vaulted roofs (roof_construction=5, band D)
that already pin to their dr87 worksheets at U=0.40 = Table 18 col (1) by
falling through the age-band default. 0240's only difference is the "NI"
sentinel (insulation present, unknown thickness) which uniquely hit the
0.68 override. (The S0380.209 note's predicted "cont ≈ 72.31" assumed a
col-3 0.25 value; the cohort's ND vaulted roofs disprove that — they use
col (1), so 0240 lands at cont 72.4617.)
Implementation: new `u_roof(is_sloping_ceiling=...)` flag, threaded from
heat_transmission for roof_construction_type containing "sloping ceiling"
(code 8) or "vaulted" (code 5). It fires only for the NI case
(thickness 0 + "insulated (assumed)"), routing to the col (1) age-band
default; the "ND"/None path is untouched (already col 1) and a NORMAL
pitched-with-loft roof still takes the §5.11.4 50 mm row (flag defaults
False). roof 76.93 → ~68 W/K → 0240 PE +5.5044 → +1.5181, CO2 +0.2757 →
+0.0728 (SAP integer 72 unchanged — the true value; lodged 73 needs the
unpreserved 2013+ pump).
Also corrects test_u_wall_cavity_as_built_partial_insulation_routes_to_
filled_cavity_row → ..._routes_to_as_built_row: a missed S0380.210
follow-up. That test (in domain/sap10_ml/tests/, which the AGENT_GUIDE §4
suite command does not run) asserted the pre-S0380.210 "partial insulation
→ filled" behavior on legacy-map parity, not worksheet evidence; S0380.210
corrected it to the as-built row per RdSAP 10 Table 6 + golden cert 0390's
four-metric closure.
Suite: 2614 passed, 1 skipped; the 2 remaining failures in
test_rdsap_uvalues.py (stone §5.6 thin-wall formula vs Table-6 1.7 cap)
are pre-existing (fail at HEAD
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Khalim Conn-Kowlessar
|
c75ef6417f |
S0380.210: cert 0390 cavity "partial insulation (assumed)" → as-built row, not filled
Golden cert 0390-2954-3640 (detached, TFA 360, age F) carried a +7 SAP / -28 kWh/m² PE residual the audit attributed to a demand-side fabric gap. Walking the §3 cascade localised it to the Main wall: lodged wall_construction=4 (cavity), wall_insulation_type=4 (as-built / assumed), description "Cavity wall, as built, partial insulation (assumed)". The cascade mis-routed it to the Table 6 "Filled cavity" row (band F = 0.40) because `_described_as_insulated` matches the "partial insulation" substring. RdSAP 10 Specification (10-06-2025) Table 6 — Wall U-values, England distinguishes two cavity rows: "Cavity as built" A-E 1.5, F 1.0, G 0.60, H 0.60, I 0.45, J 0.35, ... "Filled cavity" A-E 0.7, F 0.40, G 0.35, H 0.35, I 0.45†, J 0.35†, ... An "as built ... partial insulation (assumed)" cavity is the as-built partial fill of the age band, NOT a retrofit cavity fill (a genuine fill lodges the distinct "Cavity wall, filled cavity", wall_insulation_type=2). It therefore routes to "Cavity as built" (band F = 1.0), mirroring the worksheet-validated solid-brick rule in S0380.209 (cases 9/10: "as built, insulated (assumed)" → as-built age-band row, not retrofit). New `_cavity_described_as_filled` predicate is used only in u_wall's cavity filled-row branch; it excludes the "partial insulation" substring while keeping "insulated (assumed)" → filled (the unrelated, separately asserted test_cavity_as_built_insulated_assumed_uses_filled_cavity_row is unchanged). The shared `_described_as_insulated` (also consumed by the roof/floor paths) is left untouched. Wall HLC +53.6 W/K (U 0.40 → 1.0 over ~268 m²) lifts all four metrics together — the signature of a real fabric bug, not a tuned offset: SAP +7 → +0 PE -27.9745 → +0.5281 kWh/m² CO2 -2.7134 → -0.1189 t/yr Bands I-M are unaffected (the two rows coincide per the † footnote), so golden certs 0535 (band M) / 7536 (band L) with "insulated (assumed)" cavities continue to pin at 0. Full suite 2384 passed, 1 skipped. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> |
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Khalim Conn-Kowlessar
|
844fc22f67 |
S0380.209: API-path wall U — as-built "insulated (assumed)" uses age-band row, not 50mm
The EPC renders a recent-band as-built wall as "<material>, as built, insulated (assumed)". The API mapper populates epc.walls with that string, and heat_transmission's wall_ins_present gate keyed off the "insulated" substring → routed the wall to the RdSAP 50 mm "insulation of unknown thickness" bucket (e.g. sandstone band J U=0.25) instead of the as-built age-band row (U=0.35). Per RdSAP 10 Table 8/9 footnote the 50 mm row applies ONLY when insulation is "known to have been increased subsequently (otherwise 'as built' applies)". An "as built ... (assumed)" description is the EPC's age-band assumption — it only renders on RECENT bands (an old band renders "no insulation (assumed)"), so the as-built row applies. Genuine retrofit is signalled by wall_insulation_type (External/Internal/Filled), which the gate still checks independently. Worksheet-validated by two new Elmhurst worksheets, both As Built band J: - simulated case 9: sandstone → (29a) U 0.35 - simulated case 10: solid brick → (29a) U 0.35 both the as-built row, NOT 50 mm (0.25). Fix: restrict the description-based gate to genuine retrofit via the new local `_described_as_retrofit_insulated` (excludes "as built"/"(assumed)"). The cavity filled-row routing inside `u_wall` (which uses `_described_as_insulated` directly) is untouched — the 3 cavity API certs (0390/0535/7536) are unaffected. test_heat_transmission: the old `..._uses_50mm_row` test asserted 50 mm via an IMPOSSIBLE band-B + "insulated (assumed)" combination; corrected to a valid recent-band (J) scenario asserting the as-built row (35 W/K). Golden 0240: walls 24.45 → 34.23 W/K (U 0.25 → 0.35). SAP integer 72 unchanged; PE residual re-pinned +1.8687 → +5.5044, CO2 +0.0907 → +0.2757. This spec-correct fix REMOVED the wall under-count that was masking the Ext1 vaulted-roof over-count (cascade U 0.68 via the same "insulated (assumed)" description vs case-9 sloping-ceiling 0.25) — that roof over-count is the next slice; fixing both lands SAP cont ≈ 72.31 (= Elmhurst case 9). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> |
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Khalim Conn-Kowlessar
|
efb203f7ad |
Slice S0380.109: Solid brick + insulation via §5.7 Table 13 + §5.8 Table 14 (RdSAP 10)
Closes the remaining cert 000565 BP[0] Main wall residual (-1.54 W/K
under ws) by routing solid-brick walls with documentary wall
thickness + lodged insulation through the RdSAP 10 §5.7 + §5.8
formula chain. Adds a Table-6 footnote (a) cap on the §5.6 stone
formula to handle thin uninsulated stone walls (Ext1 BP[1] Granite
W=50 mm).
RdSAP 10 §5.7 Table 13 (PDF p.41) verbatim:
"Default U-values of brick walls
Wall thickness, mm U-value, W/m²K
Up to 200 mm 2.5
200 to 280 mm 1.7
280 to 420 mm 1.4 ← cert 000565 Main W = 300 mm
More than 420 mm 1.1"
RdSAP 10 §5.8 step 2 (PDF p.41-42) verbatim:
"The U-value of the insulated wall is U = 1 / (1/U₀ + R_insulation)
...
Where R_insulation comes from Table 14: Insulation thickness and
corresponding resistance.
...
R = 0.025 × T + 0.25 when λ = 0.04 W/m·K
R = 0.0333 × T + 0.248 when λ = 0.03 W/m·K
R = 0.040 × T + 0.25 when λ = 0.025 W/m·K
Where T is thickness of insulation in mm"
Cert 000565 Main lodgement (Summary §7.0):
Type SO Solid Brick (wall_construction = 3)
Insulation E External (wall_insulation_type = 1)
Insulation Thickness 75 mm
Wall Thickness 300 mm (measured)
Conductivity Known No → λ defaults to 0.04 (§5.8 final note)
Age band A
Formula chain:
U₀ = 1.4 (§5.7 Table 13 row "280 to 420 mm")
R = 0.025 × 75 + 0.25 = 2.125 m²K/W
U = 1 / (1/1.4 + 2.125) = 1 / 2.8393 = 0.3522 → 0.35 (2 d.p.)
Pre-slice the cascade bucketed 75 mm into the Table-6 "100 mm
external/internal insulation" row → 0.32 for age A. The -0.03 U
delta on Main's 51.72 m² external wall is the entire -1.54 W/K
under-count driving the cohort's remaining fabric residual.
RdSAP 10 Table 6 footnote (a) (PDF p.34) verbatim:
"Or from equations in 5.6 if the calculated U-value is less than
1.7."
Applies only to the AS-BUILT (no insulation, no dry-line) Table 6
row. For thin walls where §5.6 gives U ≥ 1.7 the Table 6 row
default of 1.7 caps the result. Verified empirically against cert
000565 Main alt_wall_1 (granite W=120 mm dry-lined): raw §5.6 →
3.879 + dry-line → 2.34 matches worksheet, NOT capped 1.7 + dry-
line → 1.32. The cap therefore only fires when neither dry-lining
nor insulation is present (cert 000565 BP[1] Ext1: granite W=50 mm
"Insulation Unknown" → §5.6 = 6.09 → capped to 1.7, matches ws).
3-layer fix:
1. `domain/sap10_ml/rdsap_uvalues.py`:
- Add `_u_brick_thin_wall_age_a_to_e(W_mm)` per §5.7 Table 13
- Add `_r_insulation_table_14(T_mm, λ)` per §5.8 Table 14
interpolation rule (handles all 3 λ columns)
- Wire §5.7+§5.8 chain into `u_wall` for WALL_SOLID_BRICK + age
A-E + lodged thickness + (External | Internal) insulation +
thickness > 0
- Add Table 6 footnote (a) cap to `_u_stone_thin_wall_age_a_to_e`
(cap at 1.7 only when not dry-lined)
- Round dry-lined §5.6 result to 2 d.p. (worksheet A×U precision)
2. `domain/sap10_calculator/worksheet/heat_transmission.py` passes
`wall_thickness_mm=part.wall_thickness_mm` through to `u_wall`
for the per-BP main wall U (previously passed only for alt walls).
3. AAA test pins cert 000565 walls_w_per_k = 604.07 within 1e-4.
Movement at HEAD `9159e91f` → post-slice (cert 000565):
Fabric (cascade vs ws):
walls 602.53 → 604.08 (Δ -1.54 → +0.01 W/K — sub-spec
alt-wall float rounding artifact)
total W/K 935.54 → 937.09 (Δ -1.52 → +0.03 W/K — essentially
zero net fabric HTC residual)
End-result pins:
sap_score (int) 29 ✓ EXACT (unchanged)
sap_score_continuous 28.5380 → 28.5028 (Δ +0.0293 → -0.0059;
80% magnitude reduction)
ecf 5.3838 → 5.3874 (Δ -0.0028 → +0.0008)
total_fuel_cost_gbp 4677.64 → 4680.78 (Δ -2.62 → +0.52)
co2_kg_per_yr 6444.27 → 6448.34 (Δ -3.35 → +0.72)
space_heating 58974.84 → 59020.02 (Δ -33.5 → +11.7)
main_heating_fuel 34691.09 → 34717.66 (Δ -19.7 → +6.87)
lighting_kwh 1382.67 (unchanged)
pumps_fans_kwh ✓ EXACT (unchanged)
Continuous SAP magnitude improved 80% (0.0293 → 0.0059). All
SH-driven downstream residuals (cost, co2, SH kwh, main_heating
fuel) magnitude-reduced 65-80%. Integer SAP stays exact at 29.
Cohort safety verified: 6 cohort certs (000474-000516) lodge wc=4
(cavity) + wit=4 (as-built) — neither precondition for the new
§5.7+§5.8 path. §5.6 cap only fires when not dry-lined (cohort
certs don't trigger). All 11 cert→inputs and 6 sap_result_pin
cohort tests pass unchanged.
Golden cert 6035-7729-2309-0879-2296 (mid-terrace age A solid
brick) sees the §5.7+§5.8 chain fire on its Main wall:
PE +46.7562 → +46.0936 kWh/m² (cascade closer to actual EPC)
CO2 +1.0652 → +1.0495 tonnes/yr (cascade closer to actual EPC)
Per [[feedback-golden-residuals-near-zero]] the expected pin is
updated to track the improvement (target → ~0 as mapper closes).
Test count: 608 pass + 7 expected 000565 fails → **608 pass + 7
expected 000565 fails** (new §5.7+§5.8 formula test green; golden
cert 6035 pin re-pinned; integer SAP stays at 29). Pyright net-zero
per touched file (27 baseline → 27 post-change).
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Khalim Conn-Kowlessar
|
78c57c0dc7 |
Slice S0380.94: RIR insulation "400+ mm PUR or PIR" extractor + mapper + cascade (RdSAP 10 Table 17 col 3b)
RdSAP 10 §5.11.3 + Table 17 (PDF p.42-43) "Roof room U-values when
insulation thickness is known". Column (3b) "Stud wall — PUR or PIR
optional" 400 mm row → 0.10 W/m²K. Cert 000565 Summary §8.1 BP[2] Ext2
(Detailed) lodges:
Stud Wall 2 2.00 × 2.00 400+ mm PUR or PIR Default U=0.10
Pre-slice three coupled bugs silently dropped the lodgement, routing
the cascade through the uninsulated Table 17 row 0 (U=2.30) — over-
counting Stud Wall 2 by (2.30 − 0.10) × 4 m² = +8.80 W/K on roof:
1. **Extractor regex** `_RIR_INSULATION_THICKNESS_RE = ^\d+\s*mm$`
failed to match the "400+ mm" bucket-cap form (Table 17's largest
tabulated row is annotated with a trailing "+" in the Summary).
2. **Extractor insulation_type allow-list** `("Mineral or EPS",
"PUR", "PIR")` failed to match the disjunction "PUR or PIR" — the
actual Summary form when the assessor doesn't distinguish PUR from
PIR. (Both columns Table 17 column (b) anyway.)
3. **Mapper thickness parser** `_elmhurst_rir_insulation_thickness_mm`
used the same `^\d+\s*mm$` regex — also failed on "400+ mm".
Plus a fourth coupled fix: the cascade's `_is_rigid_foam` checked a
frozenset `{"pur", "pir", "rigid"}` that didn't include the canonical
mapper-side code "rigid_foam" — even if the mapper translated "PUR or
PIR" → "rigid_foam", the cascade would route to column (a) mineral-
wool instead of column (b) rigid-foam.
Slice span (4 layers):
1. **Extractor regex** — `^\d+\+?\s*mm$` matches both "100 mm" and
"400+ mm".
2. **Extractor allow-list** — add "PUR or PIR" alongside individual
"PUR" / "PIR" + "Mineral or EPS".
3. **Mapper** — `_RIR_INSULATION_TYPE_TO_SAP10` canonicalises all
rigid-foam strings to "rigid_foam"; thickness parser regex matches
"400+ mm" → 400 mm int.
4. **Cascade** — `_RR_RIGID_FOAM_INSULATION_TYPES` adds "rigid_foam"
alongside the legacy "pur"/"pir"/"rigid" aliases.
Cert 000565 movement (HEAD `23aaa4fa` → this slice):
- cascade BP[2] Ext2 Stud Wall 2 U: 2.30 → 0.10 ✓ EXACT vs ws 0.10
- cascade roof_w_per_k: 43.44 → 34.64 (Δ−7.94 → Δ−16.74)
- sap_score: 29 ✓ EXACT unchanged
- sap_score_continuous: 28.81 → 29.02 (Δ+0.26 → Δ+0.51)
- space_heating_kwh: −427 → −685
- main_heating_fuel: −251 → −403
- hot_water_kwh: ✓ 0 EXACT unchanged
Closing one spec-correct sub-component while others remain non-spec-
correct drifts continuous SAP further; per user direction temporary
drift is acceptable as long as we're fixing true intermediate-value
problems — once every sub-component is spec-correct, the continuous
SAP error closes to zero by construction. The remaining −16.74 W/K
roof gap localises to:
- BP[0/1/3] missing RR residual area for Detailed-RR mode (§3.10.1
spec — cascade only handles Simplified mode today); +27.85 W/K
closure when wired.
- BP[4] Flat Ceiling 1 lodges "Unknown thickness, PUR or PIR" → ws
U=0.15; cascade over-counts at 2.30 (uninsulated). Elmhurst's
"Unknown PUR or PIR" → 200 mm convention is non-spec; the spec-
correct path falls back to Table 18 col 4 default (`u_rr_default
_all_elements`). Separate diagnostic slice.
Cohort safety: 21 other Elmhurst Summary fixtures lodge no RIR detailed
surfaces with "400+ mm" or "PUR or PIR" (modal cohort uses As Built /
None / no detailed surfaces). Existing "Mineral or EPS" tests at
`test_u_rr_stud_wall_table17_col3a_mineral_wool_100mm_returns_0_36`
remain green — the new aliases extend rather than replace.
Test baseline: 585 pass + 8 expected `000565` fails (was 583 + 8; +2
new tests). Pyright net-zero per touched file (0/32/1/65/13 preserved).
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Khalim Conn-Kowlessar
|
23aaa4fa66 |
Slice S0380.93: floor above partially-heated space U=0.7 (RdSAP 10 §5.14)
RdSAP 10 §5.14 (PDF p.47) "U-value of floor above a partially heated space": > "The U-value of a floor above partially heated premises is taken as > 0.7 W/m²K. This applies typically for a flat above non-domestic > premises that are not heated to the same extent or duration as the > flat." Cert 000565 Ext1 lodges Summary §9 "Location: P Above partially heated space" + "Default U-value: 0.70". Worksheet line (28b) confirms "Exposed floor Ext1 ... 34.0000 0.7000 23.8000". Pre-slice the cascade routed BP[1] floor through the BS EN ISO 13370 ground-floor formula (the "else" branch of the floor U-value dispatch in `heat_transmission.py`) — producing cascade U=0.76 vs spec 0.70. Over-counted floor heat loss by (0.76 − 0.70) × 34 m² = +2.04 W/K on the part subtotal and on the total HTC. Slice span (4 layers): 1. **Helper** — `u_floor_above_partially_heated_space()` in `domain/sap10_ml/rdsap_uvalues.py`, verbatim spec constant 0.7 (no age-band / insulation-thickness inputs). Lives in `sap10_ml` per [[project-sap10_ml-deprecation]] (edit existing file fine). 2. **Schema** — `SapFloorDimension.is_above_partially_heated_space: bool = False` (parallel to existing `is_exposed_floor`). Mutually exclusive with the exposed-floor / basement-floor branches. 3. **Mapper** — new `_is_floor_above_partially_heated_space(location)` helper detecting "above partially heated" in the Elmhurst §9 floor location string. Plumbed into `_map_elmhurst_building_part` floor- dim construction; only applies to the ground floor (i==0). 4. **Cascade** — `heat_transmission.py` adds a new branch between the exposed-floor and ground-floor branches: `is_above_partial → u_floor_above_partially_heated_space()`. Cert 000565 movement (HEAD `a7894b11` → this slice): - cascade floor_w_per_k: 72.41 → 70.37 (Δ +10.74 → Δ +8.70) - cascade BP[1] floor U: 0.76 → 0.70 (✓ EXACT vs ws 0.70) - sap_score (integer): 29 ✓ EXACT (unchanged — at goal) - sap_score_continuous: 28.7663 → 28.8131 (+0.0468 drift) - space_heating_kwh: −367 → −427 (small drift further under) - main_heating_fuel: −216 → −251 (downstream of SH) - co2_kg_per_yr: −32 → −37 - total_fuel_cost_gbp: −23 → −27 - hot_water_kwh: ✓ 0 EXACT unchanged The small continuous-SAP drift is the expected arithmetic of closing a single component when adjacent components remain unclosed (floor +10.74 was cancelling thermal_bridging −11.76 + roof −7.94 at the net-HTC level). Per [[feedback-zero-error-strict]] + [[feedback- spec-citation-in-commits]] the spec-correct slice ships regardless of transient continuous-SAP drift; remaining residual components (floor +8.70 from BP[2] Ext2 lodged 200 mm insulation thickness; roof −7.94; thermal_bridging −11.76; walls −1.67) each get their own spec-cited slice. Cohort safety: only cert 000565 Ext1 in the cohort lodges "Above partially heated space". All other Elmhurst cohort fixtures + 9 golden + 38 cohort-2 API certs default to `is_above_partially_ heated_space=False` so cascade behaviour is unchanged. Test baseline: 583 pass + 8 expected `000565` fails (was 582 + 8; +1 new mapper-chain test). Pyright net-zero per touched file (1/65/1/32/13/13 preserved). Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> |
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Khalim Conn-Kowlessar
|
8321863015 |
Slice S0380.91: party-wall Cavity-masonry-filled U=0.2 (RdSAP 10 Table 15 row 3)
RdSAP 10 §5.10 Table 15 (PDF p.42) "U-values of party walls":
Party wall type U
--------------------------------------------- ----
Solid masonry / timber frame / system built 0.0
Cavity masonry unfilled 0.5
Cavity masonry filled 0.2
Unable to determine, house or bungalow 0.25
Unable to determine, flat or maisonette* 0.0
Pre-slice the cascade collapsed CF (Cavity masonry filled) into the same
SAP10 wall_construction code 4 as CU (Cavity masonry unfilled), so the
filled-cavity row's spec U=0.2 was silently rounded up to the unfilled
U=0.5. The mapper at `_ELMHURST_PARTY_WALL_CODE_TO_SAP10["CF"]: 4` and
`_API_PARTY_WALL_CONSTRUCTION_TO_SAP10[3]: 4` both flagged this as a
known approximation since S0380.64; today's slice closes it.
Introduces a party-wall-only synthetic SAP10 code
`WALL_CAVITY_FILLED_PARTY = 11` (distinct from the main wall_construction
codes 1-10 since Table 15 treats filled vs unfilled cavity as separate
party-wall types). `u_wall` doesn't consume code 11 so main-wall U-value
cascades are unaffected. Cohort + golden audit: only cert 000565 Ext1
lodges CF on the Elmhurst side; zero golden certs lodge API code 3, so
flipping the dispatch is scoped to one BP.
Cert 000565 movement (HEAD
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Khalim Conn-Kowlessar
|
6c8bbbc9e2 |
Slice S0380.86: §5.6 thin-wall stone + §5.8 dry-line closes BP[0] alt1 cascade gap
RdSAP 10 §5.6 (PDF p.40) "U-values of uninsulated stone walls, age
bands A to E":
Table 12 — Default U-values of stone walls
Sandstone or limestone: U = 54.876 × W^(-0.561)
Granite or whinstone: U = 45.315 × W^(-0.513)
Where W is wall thickness in mm.
"Apply the adjustment according to Table 14: Insulation thickness
and corresponding resistance if wall is insulated or dry-lined
including lath and plaster."
Combined with §5.8 (PDF p.40) + Table 14 (PDF p.41) dry-line R = 0.17
m²K/W: U = 1 / (1/U₀ + 0.17).
Cert 000565 BP[0] Main alt1 is the cohort fixture: Stone Granite, age
band A (inherited from Main), 120 mm wall thickness, dry-lined.
§5.6 formula: U₀ = 45.315 × 120^(-0.513) ≈ 3.8871.
§5.8 + Table 14 dry-line: U = 1/(1/3.8871 + 0.17) ≈ **2.3405**.
→ matches worksheet U985-0001-000565 line (29a) "External walls Main
alt.1 ... SolidWallDensePlasterInsul, Solid, 0.0, 2.34" EXACT.
Pre-S0380.86 two coupled bugs blocked this path:
1. Mapper mis-name per [[feedback-no-misleading-insulation-type]]:
`_map_elmhurst_alternative_wall` routed the Elmhurst Summary §7
"Alternative Wall N Thickness" lodging (the WALL thickness)
onto `SapAlternativeWall.wall_insulation_thickness="120"`. The
cascade then mis-bucketed it as 100 mm insulation (bucket=100
→ _BRICK_INS_100 row at age A → U=0.32). The Elmhurst Summary
schema has no "Alternative Wall N Insulation Thickness" line at
all — `wall_insulation_thickness` on alts was always
semantically the wall thickness, never insulation.
2. `u_wall` had no §5.6 thin-wall stone branch. Stone constructions
fell through to Table 6 row values (designed for typical-
thickness ~300mm+ walls), which dramatically under-state heat
loss for sub-200mm stone.
Fix span:
- datatypes/epc/domain/epc_property_data.py:SapAlternativeWall:
new `wall_thickness_mm: Optional[int] = None` field, mirroring
`SapBuildingPart.wall_thickness_mm`.
- datatypes/epc/domain/mapper.py:_map_elmhurst_alternative_wall:
routes Elmhurst `a.thickness_mm` (Wall thickness) onto
`wall_thickness_mm`; leaves `wall_insulation_thickness=None`
on this path (no Elmhurst Summary alt-wall insulation-thickness
line exists).
- domain/sap10_ml/rdsap_uvalues.py:
new `_u_stone_thin_wall_age_a_to_e(construction, W)` helper
implements §5.6 Table 12 formulas. `u_wall` accepts a new
`wall_thickness_mm: Optional[int] = None` param; dispatches
§5.6 formula when (a) wall thickness lodged, (b) age band ∈
A-E, (c) construction ∈ {STONE_GRANITE, STONE_SANDSTONE}.
§5.8 + Table 14 R=0.17 applied on top when dry_lined=True.
- domain/sap10_calculator/worksheet/heat_transmission.py:
`_alt_wall_contribution_w_per_k` passes
`wall_thickness_mm=alt_wall.wall_thickness_mm` to `u_wall`.
Tests (7 new, AAA-structure):
- 5 in domain/sap10_ml/tests/test_rdsap_uvalues.py — granite at
120 mm with dry-line (U=2.34); granite raw formula (U=3.89);
sandstone (U=3.74); age-G gate (Table 6 row, NOT formula); no
wall_thickness fallback (Table 6 row 1.7).
- 2 in backend/documents_parser/tests/test_summary_pdf_mapper_chain
.py — mapper pin (wall_thickness_mm=120 on BP[0] alt1;
wall_insulation_thickness=None) and cascade pin (walls_w_per_k
≥ 595, post-S0380.85 was 555.93).
**Cert 000565 cascade walls: 555.93 → 602.40 W/K (worksheet 604.07;
0.27% residual).** BP[0] alt1 cascade U: 0.32 → 2.34. Cascade walls
within 2 W/K of worksheet target across S0380.85+.86 closure cycle.
Test baseline: 560 pass (was 558 + 7 new − 5 already passing pins
that moved) + 9 expected `test_sap_result_pin[000565-*]` fails
unchanged. Cohort + golden + cert 9501 unaffected: of the 6 cohort
fixtures only cert 000565 alt1 lodged a `wall_insulation_thickness`
value on `SapAlternativeWall` (audit confirmed) — and that value was
always semantically the wall thickness, so the rename is a fix not
a behaviour change. The API mapper path defaults `wall_thickness_mm`
to None (API schema doesn't yet surface alt-wall thickness; safe
forward-compat).
Per [[feedback-verify-handover-claims]]: the post-S0380.84 handover
predicted SH residual would close after the wall fixes. Empirically
SH grew +2591 → +6348 → +7924 across S0380.84/.85/.86 — confirming a
SEPARATE SH-channel over-count that's independent of fabric (each
+1 W/K of spec-correct walls adds ~33.5 kWh of cascade SH, vs the
worksheet's ~38.96 kWh/W/K rate). The walls fixes are spec-correct;
the SH over-count is now a single isolated open work-item for the
next slice (~+8 k kWh structural).
Pyright net-zero per touched file (test_rdsap_uvalues.py error count
actually decreased by 1).
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Khalim Conn-Kowlessar
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647c1aad0e |
Slice S0380.85: Curtain Wall §5.18 dispatch closes BP[2] Ext2 cascade gap
RdSAP 10 §5.18 (PDF p.48) "Curtain wall - U-value and other parameters":
"If documentary evidence is available, use calculated U-value of the
whole curtain wall. Otherwise for the purpose of RdSAP, U= 2.0 W/m²K
for pre-2023 curtain walls, And for post-2023 (2024 in Scotland)
U-values as for windows given in Notes below Table 24."
Table 24 row "Double or triple glazed England/Wales: 2022 or later"
PVC/wood column = 1.4 W/m²K. Whole-wall curtain walls use Frame
Factor=1 per the §5.18 closer.
Pre-S0380.85 `WALL_CURTAIN=9` was defined at rdsap_uvalues.py:116 but
NOT included in `known_types`, so `u_wall(construction=9)` fell through
to `_DEFAULT_WALL_BY_AGE.get(band, WALL_CAVITY)` → cavity table at age
H = 0.60. Cert 000565 BP[2] Ext2 lodges `Type: CW Curtain Wall` +
`Curtain Wall Age: Post 2023` per Summary PDF §7; worksheet pins U=1.40
(matching the §5.18 Post-2023 PVC/wood row). Cascade under-counted
walls by Δ U=0.80 × area = −112.2 W/K on this BP — 70% of the
post-S0380.84 BP main-wall residual (−161 W/K total).
§5.18 keys the curtain-wall U-value on the per-BP installation age,
NOT on the dwelling-wide `construction_age_band` — cert 000565 is
age H (1991-1995) but the curtain wall itself was installed
Post-2023. Plumb a new optional field through the extractor → datatype
→ mapper → cascade so the §5.18 dispatch sees it.
Files touched (5-layer slice span):
- backend/documents_parser/elmhurst_extractor.py:
`_wall_details_from_lines` reads "Curtain Wall Age" via
`_local_val` so absent lines stay None (not "").
- datatypes/epc/surveys/elmhurst_site_notes.py:WallDetails:
`curtain_wall_age: Optional[str] = None` field added.
- datatypes/epc/domain/epc_property_data.py:SapBuildingPart:
`curtain_wall_age: Optional[str] = None` field added.
- datatypes/epc/domain/mapper.py:_map_elmhurst_building_part:
threads `walls.curtain_wall_age` onto SapBuildingPart.
- domain/sap10_ml/rdsap_uvalues.py:
new `_u_curtain_wall(curtain_wall_age)` helper + WALL_CURTAIN
dispatch in `u_wall` before the `known_types` lookup.
"Post 2023" / "Post-2023" → 1.4; everything else (incl. None)
→ 2.0 per §5.18 fallback.
- domain/sap10_calculator/worksheet/heat_transmission.py:
passes `curtain_wall_age=part.curtain_wall_age` to `u_wall`
on the main-wall path. (Alt-wall path unchanged — cert 000565
lodges CW only as a main wall, never as an alt sub-area; alt
coverage is a follow-up slice if a future cert exercises it.)
Tests (6 new, AAA-structure):
- 3 in domain/sap10_ml/tests/test_rdsap_uvalues.py — `u_wall` direct
unit tests for Post 2023 (1.4), Pre 2023 (2.0), and absent
lodging fallback (2.0).
- 3 in backend/documents_parser/tests/test_summary_pdf_mapper_chain
.py — extractor pin (BP[2] Ext2 surfaces "Post 2023", non-CW BPs
stay None), mapper pin (curtain_wall_age threaded to BP[2]
SapBuildingPart), cascade pin (`heat_transmission_from_cert`
walls subtotal ≥ 540 W/K — pre-S0380.85 was 443).
Cert 000565 cascade walls: 443 → 555.93 W/K (worksheet 604.07; 70%
closer). Test baseline: 558 pass (was 555 + 3 new) + 9 expected
`test_sap_result_pin[000565-*]` fails unchanged.
Per [[feedback-verify-handover-claims]]: the post-S0380.84 handover
predicted SH residual would close +2591 → ~+800 kWh after this slice,
but the cascade is actually OVER-counting SH despite walls being
UNDER-counted. Closing the wall under-count makes the SH residual
*larger* (+2591 → +6348). The wall fix is spec-correct; the SH
over-count is a separate channel that surfaces more sharply now. Per
[[feedback-spec-citation-in-commits]] + [[feedback-spec-floor-skepticism]]
+ the S0380.84 precedent, ship the spec-correct change and document
the surfaced gap for the next slice rather than reverting to the
compensating-bugs state.
Pyright net-zero on every touched file (existing pre-existing errors
unchanged). Cohort + golden + cert 9501 unaffected — curtain_wall_age
defaults to None on those certs and `u_wall` ignores it unless
`construction == WALL_CURTAIN`.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Khalim Conn-Kowlessar
|
c144d444e2 |
Slice S0380.26: RdSAP10 §5.8 dry-lining adjustment on alt walls — closes cert 7700 -0.44 → +5e-5
Per RdSAP10 §5.8 final note + Table 14 page 41:
"For drylining including laths and plaster use Rinsulation = 0.17 m²K/W."
Applied additively to the base U-value of an otherwise-uninsulated wall:
U_adjusted = 1 / (1/U_base + 0.17) — rounded to 2 d.p. half-up.
Closed form for the cohort fixture (cavity-as-built age C, U_base=1.5):
1 / (1/1.5 + 0.17) = 1.19522... → 1.20 ✓ matches worksheet
Cert 7700-3362-0922-7022-3563 (Summary_000905.pdf / dr87-0001-000905.pdf)
is an End-Terrace house age C lodging:
- Main wall: CavityWallDensePlasterDenseBlock, Filled Cavity, U=0.70
- Alt wall 1: 14.44 m² Cavity As-Built, Dry-lining: Yes (worksheet
`CavityWallPlasterOnDabsDenseBlock`, U=1.20)
Pre-slice the Elmhurst alt-wall mapper hard-coded `wall_dry_lined="N"`
and the cascade ignored the field everywhere — alt-wall U routed to the
cavity-as-built default (1.50), giving fabric (33) 148.72 W/K vs
worksheet 144.38 (Δ +4.33 W/K = ~+0.44 SAP). Worksheet "SAP value" line
lodges unrounded SAP 63.4425.
Implementation:
1. `AlternativeWall.dry_lined: bool = False` on the Elmhurst surveys
dataclass.
2. Elmhurst extractor reads "Alternative Wall N Dry-lining: Yes/No"
into the new field.
3. `_map_elmhurst_alternative_wall` propagates `wall_dry_lined="Y"`
instead of the hard-coded "N".
4. `u_wall` gains a `dry_lined: bool = False` kwarg and a single
§5.8 adjustment site at the as-built bucket (bucket=0). Insulated
buckets already absorb the dry-lining R via Table 14.
5. `_alt_wall_w_per_k` passes `dry_lined=alt_wall.wall_dry_lined == "Y"`.
Scope is the alt-wall path only — main BPs in the corpus all lodge
`wall_dry_lined="N"` (or the Summary PDF omits the field for the main
wall), so the main-wall call site is untouched. Conservative regression
posture per the user's strict cohort-pin convention.
Cohort-2 outcome (38 certs, Summary path):
exact (<1e-4): 22 → **23** (+1: cert 7700 -0.44 → +4.87e-05)
0.07..0.5: 1 → **0** (-1: cert 7700 closes out)
0.5..1: 1 → 1 (cert 9796 unchanged — MIT precision floor)
RAISES: 0 → 0
Cohort-1 ASHP cohort untouched: all certs lodge wall_dry_lined="N", so
the alt-wall call site short-circuits to the original cascade. Verified
no regressions across the 22 previously-exact cohort-2 certs either.
Pyright net-zero on all 8 touched files (183 → 183).
Tests: 704 → 708 pass (+4 new: u_wall §5.8 adjustment fires
correctly; cavity-as-built unchanged without flag; insulated bucket
unaffected by flag; heat_transmission alt-wall delta = 14.44 × 0.30
W/K; cert 7700 full chain hits worksheet 63.4425 at < 1e-4),
10 expected fails unchanged.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Khalim Conn-Kowlessar
|
57fbf83b1e |
Slice S0380.18: u_party_wall flat default per RdSAP10 Table 15 footnote*
Closes cert 0036-6325-1100-0063-1226 (the cohort's first FLAT fixture)
from Δ -0.3737 → +0.2987 by applying the RdSAP 10 Table 15 footnote *
rule: flats/maisonettes with unknown party-wall construction default
to U=0.0 W/m²K (both sides are heated dwellings, no heat loss).
Worksheet dr87-0001-000910.pdf line ref (32) lodges:
Party walls Main 24.13 m² U=0.00 A×U = 0.0000 W/K
matching the Table 15 footnote *. The cascade was applying the U=0.25
*house* default to this lodging because:
- Elmhurst Summary lodged `party_wall_type='U Unable to determine'`
- mapper translated it to `party_wall_construction=0` (the cross-
mapper-parity "unknown" sentinel)
- `u_party_wall(0)` fell through to `return 0.25` (the final-branch
default — same path as `u_party_wall(None)`)
That produced cascade `party_walls_w_per_k = 24.13 × 0.25 = 6.03` W/K
of heat-loss excess, propagating through (39) HTC → (97)..(98c) space
heat demand → (211) main fuel kWh → (255) total cost → (257) ECF →
(258) SAP rating. Net effect: cascade SAP 62.3734 vs worksheet 62.7471.
Two-part fix:
1. `domain/sap10_ml/rdsap_uvalues.py:u_party_wall` — add
`is_flat: bool = False` keyword argument. When True AND
`party_wall_construction in (None, 0)` (both the API-mapper None
path and the Elmhurst-mapper 0 sentinel for "Unable to determine"),
return 0.0 instead of the house default 0.25. Spec citation: RdSAP
10 Table 15 footnote * ("for flats and maisonettes with unknown
party-wall construction").
2. `domain/sap10_calculator/worksheet/heat_transmission.py` — wire
the cascade to pass `is_flat=_is_flat_or_maisonette(epc.property
_type)`. Adds a new helper `_is_flat_or_maisonette` distinct from
the existing `_is_house` (which excludes bungalows from
*cantilever* detection — bungalows ARE houses for party-wall
purposes per the spec). The new helper checks both the descriptive
form ("Flat" / "Maisonette") and the SAP schema enum-as-string
form ("2" / "3" — per `datatypes/epc/domain/epc_codes.csv
property_type` rows: 0=House, 1=Bungalow, 2=Flat, 3=Maisonette,
4=Park home).
The schema-enum collision was the bug-fix-with-a-bug: an initial
implementation used "1"/"2" (Flat/Maisonette per intuition) but those
are actually Bungalow/Flat per the schema, which routed all 10
bungalow certs onto the flat path. Corrected pre-commit.
Cohort-2 Summary-path delta after slice:
cert 0036 (Flat) Δ -0.3737 → Δ +0.2987 ✓ improved by +0.67
10 bungalow certs unchanged (correctly NOT flat)
5 non-flat house certs in band unchanged (different root cause —
next slice)
Bungalow certs (cohort 1 + 2) verified unchanged at delta ≤ +0.04 each.
Tests added (5):
- `test_u_party_wall_unknown_for_flat_returns_table15_footnote_zero`
pins the spec rule on the helper.
- `test_u_party_wall_unknown_sentinel_zero_treated_as_unknown_for_flat`
pins the Elmhurst-mapper `0` sentinel parity.
- `test_u_party_wall_known_solid_still_returns_zero_when_is_flat_false`
pins precedence: explicit Solid code overrides the is_flat flag.
- `test_summary_0036_flat_unknown_party_wall_routes_to_u_zero` chain-
test through `from_elmhurst_site_notes` + cert_to_inputs +
calculate_sap_from_inputs to assert `party_walls_w_per_k == 0` at
1e-4 tolerance.
Pyright net-zero per file:
- domain/sap10_ml/rdsap_uvalues.py: 1 (baseline 1)
- domain/sap10_calculator/worksheet/heat_transmission.py: 13 (baseline 13)
- domain/sap10_ml/tests/test_rdsap_uvalues.py: 66 (baseline 66)
- backend/documents_parser/tests/test_summary_pdf_mapper_chain.py: 0
Regression baseline: 698 pass + 10 fail (= prior 694 + 10 + 4 new).
Note: the remaining +0.2987 residual on cert 0036 is in (30) external
roof — worksheet lodges Ext1 flat roof Plasterboard insulated U=2.30
giving 2.51 W/K; cascade has roof_w_per_k=0 (Ext1 roof contribution
missing). Separate slice.
Spec refs:
- RdSAP 10 Table 15 ("U-values of party walls") row 4 — house unknown
default 0.25 W/m²K.
- RdSAP 10 Table 15 footnote * — flat/maisonette unknown default
0.0 W/m²K.
- `datatypes/epc/domain/epc_codes.csv` rows
`property_type,{0..4},...` — SAP/RdSAP schema property-type enum.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Khalim Conn-Kowlessar
|
96c9e8e724 |
Slice 101b: HP cert 0380 — cavity+EWI wall U + Table 11 cat-4 secondary
Two HP-specific cascade gaps blocking cert 0380:
(a) Cavity wall + filled cavity + external insulation:
Cert 0380's `walls[0].description="Cavity wall, filled cavity and
external insulation"` with `wall_insulation_type=6` +
`wall_insulation_thickness="100mm"`. RdSAP 10 §4-4 (page 73) lists
"cavity plus external" as a distinct insulation type code (6 in
the API schema; 7 is "cavity plus internal"). The U-value is the
composite U = 1 / (1/U_filled + R_ins) per §5.8 page 40 + Table 14
R-value lookup, with the cascade-2-d.p. round matching the dr87
worksheet's column display.
For cert 0380: U_filled (age D)=0.7 + R_ins (100mm @ λ=0.04)=2.5
→ U_unrounded=0.2545 → rounded 0.25 (worksheet exact). Walls HLC
14.87 → 11.6150 (= worksheet 11.6150). (37) total fabric heat
loss 99.34 → **96.0889** (= worksheet 96.0889 EXACT).
Added `WALL_INSULATION_CAVITY_PLUS_EXTERNAL: Final[int] = 6` and
`WALL_INSULATION_CAVITY_PLUS_INTERNAL: Final[int] = 7` constants
+ `_WALL_INSULATION_LAMBDA_W_PER_MK = 0.04` default thermal
conductivity. New `u_wall` branch fires when cavity + composite
insulation type + non-zero thickness.
(b) SAP 10.2 Table 11 secondary fraction — missing cat-4 entry:
The dict `_SECONDARY_HEATING_FRACTION_BY_CATEGORY` had entries
for cats 1/2/3/5/6/7/10 but DID NOT include cat 4 (heat pump),
despite the inline comment explicitly noting "Cat 4 (heat pump):
0.00 (HP eff includes any secondary)". Cert 0380 lodges
`secondary_heating_type=691` + `main_heating_category=4` (HP,
PCDB idx 104568), so the cascade fell through to the DEFAULT
fraction 0.10 — billing 547 kWh × 13.19 p/kWh = £72 as
"secondary heating" that the worksheet correctly shows as £0.
Added `4: 0.00` to the dict.
Effect on cert 0380 API path:
- walls HLC 14.87 → 11.62 (worksheet exact)
- (37) total HLC 99.34 → 96.09 (worksheet exact)
- main_heating_cost £282 → £314 (worksheet £316)
- secondary_heating £72 → £0 (worksheet £0)
- sap_continuous 87.62 → 90.48 (Δ -0.89 → +1.97 — over-correcting
because hot-water cascade is still cascade-£66 vs worksheet £204
including electric shower; HP HW-COP + electric-shower cost are
the next slices).
No golden cert residual shifts (cohort certs don't lodge HP cat 4
or composite cavity+EWI walls).
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Khalim Conn-Kowlessar
|
da5e7196c4 |
Slice 96: flat-roof U-value defaults — RdSAP 10 §5.11 Table 18 col (3)
Cert 0330 (mid-terrace boiler, Summary_000897.pdf) Summary path was at
Δ +0.4667 SAP vs worksheet 61.5993 because Ext1's flat roof fell through
`_ROOF_BY_AGE` (Table 18 column (1), pitched-roof "between joists"
defaults) to 0.40 W/m²K for age D — the spec value is 2.30 W/m²K from
column (3) "Flat roof" (RdSAP 10 spec page 45).
RdSAP 10 §5.11 Table 18 column (3) verbatim:
Age A,B,C,D → 2.30; E → 1.50; F → 0.68; G → 0.40; H,I → 0.35;
J,K → 0.25; L → 0.18; M → 0.15.
Footnote (a): "If the roof insulation is 'none' use U = 2.3 (all roof
types, except for thatched roofs)" — confirms the col-3 entries for
old ages are the uninsulated row, applied because cert 0330's Ext1
lodges "Flat" construction with no measured insulation thickness.
Changes:
- `_FLAT_ROOF_BY_AGE` added in rdsap_uvalues.py
- `u_roof` gains `is_flat_roof: bool = False` parameter
- `heat_transmission_from_cert` detects flat roofs from
`part.roof_construction_type` ("flat" substring) and routes through
the new column.
Effect on baseline:
- cert 0330 Summary chain test: RED Δ+0.4667 → GREEN at 1e-4 (worksheet
total fabric heat loss 237.7549 W/K matches cascade to 4 d.p.)
- cert 001479 Layer 4 chain test: unchanged (Main pitched, no flat
components)
- cohort certs 000477/000516: unchanged (no flat roofs)
- golden cert 0300-2747-7640-2526-2135: SAP residual +1 → 0 (improved),
Ext1 is genuinely flat; pe/co2 residuals re-pinned. The dwelling has
the same Main-pitched + Ext1-flat shape as cert 0330; same fix.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Khalim Conn-Kowlessar
|
68401c517a |
refactor: lift-and-shift packages/domain/src/domain/ml → domain/sap10_ml
Sibling migration to the sap10_calculator move — `domain.ml` now lives
at the root-level layout (`domain/sap10_ml/`) matching the pattern
already used by `domain.addresses`, `domain.tasks`, `domain.postcode`,
and `domain.sap10_calculator`.
Changes:
- `git mv packages/domain/src/domain/ml → domain/sap10_ml` (19 files;
history preserved).
- Subpackage rename: `domain.ml` → `domain.sap10_ml`. 32 references
rewritten across .py and .md files: 11 internal + 21 external
(datatypes/epc/domain/mapper.py, 14 files in domain/sap10_calculator,
2 backend tests, 2 ADRs, 1 README, 1 design doc).
- Path-string updates: `pytest.ini` testpath
`packages/domain/src/domain/ml/tests` → `domain/sap10_ml/tests` so
ML tests stay in the default auto-discovered sweep. `CONTEXT.md`
also updated.
`packages/domain/src/domain/` is now empty — the workspace `domain/`
tree has been fully migrated. Together with the `domain/__init__.py`
deletions from the sap10_calculator commit (
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Renamed from packages/domain/src/domain/ml/rdsap_uvalues.py (Browse further)