fix(chat): stabilize message identities

2026-07-20 18:30:21 +08:00
parent 159e8bfd59
commit 1e13f94b5d
33 changed files with 718 additions and 212 deletions
@@ -7,20 +7,7 @@ export type ChatRenderItem =
  | { type: "msg"; message: UiMessage; key: string };

 export function createChatMessageKeyResolver(): ChatMessageKeyResolver {
-  const localMessageKeys = new WeakMap<UiMessage, string>();
-  let nextLocalMessageKey = 0;
-
-  return (message) => {
-    if (message.id && message.id.length > 0) return `msg-${message.id}`;
-
-    const existing = localMessageKeys.get(message);
-    if (existing) return existing;
-
-    nextLocalMessageKey += 1;
-    const next = `local-msg-${nextLocalMessageKey}`;
-    localMessageKeys.set(message, next);
-    return next;
-  };
+  return (message) => `msg-${message.displayId}`;
 }

 export function buildChatRenderItems(