Enable full mode with multiple rooms

src/lib/admins.svelte.ts

@@ -0,0 +1,41 @@
+import { SimplePool } from "@nostr/tools";
+import { RELAY_URL } from "$lib/config";
+
+// room id -> admin pubkeys (NIP-29 kind 39001 `p` tags), across all rooms.
+let byRoom = $state<Record<string, string[]>>({});
+let loaded = $state(false);
+let loadedKey = "";
+
+export const roomAdminsStore = {
+  get byRoom() {
+    return byRoom;
+  },
+  get loaded() {
+    return loaded;
+  },
+};
+
+export async function loadRoomAdmins(roomIds: string[]) {
+  if (roomIds.length === 0) return;
+  const key = [...roomIds].sort().join(",");
+  if (key === loadedKey) return;
+  loadedKey = key;
+
+  const pool = new SimplePool();
+  try {
+    const events = await pool.querySync([RELAY_URL], {
+      kinds: [39001],
+      "#d": roomIds,
+    });
+    const map: Record<string, string[]> = {};
+    for (const e of events) {
+      const d = e.tags.find((t) => t[0] === "d")?.[1];
+      if (!d) continue;
+      map[d] = e.tags.filter((t) => t[0] === "p" && t[1]).map((t) => t[1]);
+    }
+    byRoom = map;
+  } finally {
+    loaded = true;
+    pool.close([RELAY_URL]);
+  }
+}