feat: use a standard custom ID format in role buttons

backend/src/utils/buildCustomId.ts

@@ -0,0 +1,3 @@
+export function buildCustomId(namespace: string, data: any = {}) {
+  return `${namespace}:${Date.now()}:${JSON.stringify(data)}`;
+}

backend/src/utils/parseCustomId.ts

@@ -0,0 +1,17 @@
+const customIdFormat = /^([^:]+):\d+:(.*)$/;
+
+export function parseCustomId(customId: string): { namespace: string; data: any } {
+  const parts = customId.match(customIdFormat);
+  if (!parts) {
+    return {
+      namespace: "",
+      data: null,
+    };
+  }
+
+  return {
+    namespace: parts[1],
+    // Skipping timestamp
+    data: JSON.parse(parts[2]),
+  };
+}