Audit of kn-API payload for issue #297 sub-task 22a:
Object-level (/kn/object list endpoint):
- wallType, energyEff, objClass: absent from API payload (0/1516 objects).
obj_class already fixed in SF#15 via aiDescription regex.
wall_type/energy_eff: no data source exists.
Flat-level (/portal-kn/api/sales/portal/table):
- number → flat_number: mapped correctly in _norm_flat().
- livingArea → living_area: mapped correctly in _norm_flat().
- Root cause for 0% DB coverage: UPSERT_FLAT_SQL ON CONFLICT did not include
flat_number, living_area, is_studio, total_area, rooms, floor, num_floors —
existing rows (hash-id, inserted before direct flatId became available)
were never updated on subsequent scrapes.
Fix:
- UPSERT_FLAT_SQL ON CONFLICT: add COALESCE updates for all 7 flat fields.
- UPSERT_OBJECT_SQL ON CONFLICT: add COALESCE for wall_type + energy_eff
(obj_class was already updating, now also COALESCE to preserve existing value).
- Add migration 108 (idempotent DDL guard + coverage NOTICE).
Coverage will improve on next scrape; no backfill possible (flat raw not stored).
Closes#297 sub-task 22a.
