Add sorting to detail breakdown tables

lib/detail-sort.ts

@@ -0,0 +1,20 @@
+export interface DetailBreakdownItem {
+  name: string;
+  calls: number;
+  total_tokens: number;
+  quota: number;
+}
+
+export type DetailBreakdownSortKey = "calls" | "total_tokens" | "quota";
+
+export function sortDetailBreakdown(
+  items: DetailBreakdownItem[],
+  sortKey: DetailBreakdownSortKey,
+  sortAsc: boolean
+): DetailBreakdownItem[] {
+  return [...items].sort((a, b) => {
+    const diff = a[sortKey] - b[sortKey];
+    if (diff !== 0) return sortAsc ? diff : -diff;
+    return a.name.localeCompare(b.name);
+  });
+}