feature: treatment frontend wired with the newly implemented backend. no mocked data no more.

frontend/src/components/treatment/caseSendLabel.ts

@@ -0,0 +1,40 @@
+import type { LinkedOrganizationOption, TreatmentCaseSendInfo } from '@/types/treatment';
+
+export function formatCaseSentLines(
+  sends: TreatmentCaseSendInfo[] | undefined,
+  fallback?: {
+    organizationIds: string[];
+    sentAt: string | null;
+    orgs?: LinkedOrganizationOption[];
+  },
+): string[] {
+  if (sends?.length) {
+    return sends.map((s) => {
+      const at = new Date(s.sentAt).toLocaleString();
+      return `Sent to ${s.organizationName} at ${at}`;
+    });
+  }
+
+  if (fallback?.sentAt && fallback.organizationIds.length > 0) {
+    const at = new Date(fallback.sentAt).toLocaleString();
+    const nameById = new Map(fallback.orgs?.map((o) => [o.id, o.name]) ?? []);
+    return fallback.organizationIds.map((id) => {
+      const name = nameById.get(id) ?? 'organization';
+      return `Sent to ${name} at ${at}`;
+    });
+  }
+
+  return [];
+}
+
+export function formatCaseSentSummary(
+  sends: TreatmentCaseSendInfo[] | undefined,
+  fallback?: {
+    organizationIds: string[];
+    sentAt: string | null;
+    orgs?: LinkedOrganizationOption[];
+  },
+): string | null {
+  const lines = formatCaseSentLines(sends, fallback);
+  return lines.length > 0 ? lines.join(' · ') : null;
+}