Adjust Discord publication and lobby capacity defaults

src/lib/server/discord/publication-defaults.ts

@@ -0,0 +1,24 @@
+import type Database from 'better-sqlite3';
+
+/** Replace the old opt-in default while preserving an existing nonempty selection. */
+export function migrateDiscordPublicationDefaults(handle: Database.Database): void {
+    const row = handle.prepare('SELECT value FROM discord_configuration WHERE id=1').get() as
+        { value: string } | undefined;
+    if (!row) return;
+    const settings = JSON.parse(row.value) as Record<string, unknown>;
+    if ('excludedServers' in settings) return;
+    const published = new Set(settings.publishedServers as string[]);
+    settings.excludedServers = published.size
+        ? (
+              handle
+                  .prepare('SELECT name FROM servers WHERE destroyed_at IS NULL ORDER BY name')
+                  .all() as { name: string }[]
+          )
+              .map((server) => server.name)
+              .filter((name) => !published.has(name))
+        : [];
+    delete settings.publishedServers;
+    handle
+        .prepare('UPDATE discord_configuration SET value=? WHERE id=1')
+        .run(JSON.stringify(settings));
+}