improvement: all demo bugs fixed. give me more baby.

frontend/src/components/ui/lab/caseDetailUtils.ts

@@ -0,0 +1,40 @@
+import type { LabCaseDetail } from '@/types/cases';
+import type { CaseToothChartProsthesisRow } from '@/components/ui/lab/CaseToothChartPanel';
+
+export function formatPatientName(patient: { firstName: string; lastName: string }) {
+  return `${patient.firstName} ${patient.lastName}`.trim();
+}
+
+export function formatCaseDateTime(value: string | null, locale: string) {
+  if (!value) return '—';
+  return new Intl.DateTimeFormat(locale, {
+    dateStyle: 'medium',
+    timeStyle: 'short',
+  }).format(new Date(value));
+}
+
+export function buildCaseProsthesisRows(labCase: LabCaseDetail): CaseToothChartProsthesisRow[] {
+  if (labCase.toothProsthesis.length > 0) {
+    const byCode = new Map<string, string[]>();
+    for (const row of labCase.toothProsthesis) {
+      const teeth = byCode.get(row.prosthesisTypeCode) ?? [];
+      if (!teeth.includes(row.tooth)) teeth.push(row.tooth);
+      byCode.set(row.prosthesisTypeCode, teeth);
+    }
+    return [...byCode.entries()].map(([prosthesisTypeCode, teeth]) => ({
+      prosthesisTypeCode,
+      teeth,
+    }));
+  }
+  return labCase.tasksByTooth.map((g) => ({
+    prosthesisTypeCode: g.prosthesisTypeCode,
+    teeth: g.teeth,
+  }));
+}
+
+export function latestCaseAttachment(labCase: LabCaseDetail) {
+  if (!labCase.attachments.length) return null;
+  return [...labCase.attachments].sort(
+    (a, b) => new Date(b.createdAt).getTime() - new Date(a.createdAt).getTime(),
+  )[0];
+}