User reports on /legacy/site-finder/[cad]:
Велосити 0.0 м²/мес · Срок продаж —
which is contradictory — if velocity were truly zero, sales period
would be infinity. Root cause: backend returns 0 (not null) when
competitors are unmapped to Objective ground truth (OBJ-3). The
condition for 'unavailable' must catch both null and zero.
Fix: getSalesPeriodMonths already treats velocitySqm <= 0 as null
(line 41), but the HeadlineBar + KPI card read raw velocity and
display '0.0 м²/мес' for zero. Same coercion applied at the source:
velocityPerMonth = (raw != null && raw > 0) ? raw : null.
Both HeadlineBar and KPI card now show '—' for zero velocity,
matching the '—' shown for Срок продаж.
