no longer rely on json

apps/web/src/components/DiseaseCard.tsx

@@ -7,7 +7,6 @@ import SymptomChecker from "@/components/SymptomChecker";
 import TreatmentTimeline, { treatmentStepsWithUrgency } from "@/components/TreatmentTimeline";
 import LookalikeWarning from "@/components/LookalikeWarning";
 import FlagButton from "@/components/FlagButton";
-import { getLookalikeDiseases } from "@/lib/api/diseases";
 
 /**
  * Individual disease result card with expandable sections.
@@ -31,9 +30,9 @@ export default function DiseaseCard({
   const [expanded, setExpanded] = useState(isPrimary);
   const [feedback, setFeedback] = useState<"yes" | "no" | null>(null);
 
-  const { disease, confidence } = prediction;
+  const { disease, confidence, lookalikeDiseases } = prediction;
   const colors = getConfidenceColors(confidence.label);
-  const lookalikes = getLookalikeDiseases(disease.id);
+  const lookalikes = lookalikeDiseases ?? [];
 
   const toggleExpand = useCallback(() => {
     setExpanded((e) => !e);