feat: social graph features

lib/sampradayas.ts

@@ -0,0 +1,26 @@
+/**
+ * Sampradāya (spiritual lineage) options for the profile field.
+ *
+ * Stored as a lowercase `code` on the account; the `name` is the display
+ * label shown in the searchable picker. Only Gaudiya exists today —
+ * append more entries here as they're supported (the BFF allow-list in
+ * user_service.go must be extended in lockstep).
+ */
+
+export const SAMPRADAYAS: { code: string; name: string }[] = [
+  { code: "gaudiya", name: "Gaudiya" },
+];
+
+/** Display label for a sampradāya code, or null when unknown. */
+export function sampradayaName(code: string | null | undefined): string | null {
+  if (!code) return null;
+  return SAMPRADAYAS.find((s) => s.code === code)?.name ?? null;
+}
+
+/** Resolve a typed display name back to its code (case-insensitive), or
+ *  null when it doesn't match a known lineage. */
+export function sampradayaCode(name: string): string | null {
+  const n = name.trim().toLowerCase();
+  if (!n) return null;
+  return SAMPRADAYAS.find((s) => s.name.toLowerCase() === n)?.code ?? null;
+}