feat: support concurrent Reddit accounts

apps/dashboard/src/features/conversations/conversation-identity.ts

@@ -0,0 +1,8 @@
+import type { ActiveChat } from '../../../../../packages/api-contracts/src/index.js';
+
+export function ownedConversationId(conversation: ActiveChat): string {
+  const conversationId = conversation.roomId ?? conversation.username;
+  return conversation.owner
+    ? `${encodeURIComponent(conversation.owner.accountId)}~${encodeURIComponent(conversationId)}`
+    : conversationId;
+}