refactor: Decouple roles.

app/src/components/SectionHeader.tsx

@@ -0,0 +1,11 @@
+import { SECTION_HEADERS } from "@/lib/labels"
+
+export function SectionHeader({ category }: { category: string }) {
+  const info = SECTION_HEADERS[category]
+  return (
+    <div className="mb-3">
+      <h2 className="text-lg font-semibold">{info?.title ?? category}</h2>
+      <p className="text-sm text-[var(--muted)]">{info?.subtitle}</p>
+    </div>
+  )
+}