feat(chat): migrate chat protocol to lock detail

src/stores/chat/chat-machine.actors.ts

@@ -68,7 +68,7 @@ export const loadHistoryActor = fromPromise<{
  * HTTP 发送消息（一次发送 = 一次返回）
  * - 后端响应就是 AI 回复（`ChatSendResponse.reply: string`）
  * - 不再调 `getLocalMessages()`（多此一举）
- * - 返回完整 response + 可追加的 reply，方便处理后端 paywall blocked 响应
+ * - 返回完整 response + 可追加的 reply，方便处理后端 lockDetail 响应
  */
 export const sendMessageHttpActor = fromPromise<
   { response: ChatSendResponse; reply: UiMessage | null },
@@ -79,9 +79,13 @@ export const sendMessageHttpActor = fromPromise<
     log.error("[chat-machine] sendMessageHttpActor failed", { error: result.error });
     throw result.error;
   }
+  const isDailyLimit =
+    result.data.lockDetail.locked &&
+    result.data.lockDetail.showUpgrade &&
+    result.data.lockDetail.reason === "daily_limit";
   return {
     response: result.data,
-    reply: result.data.blocked ? null : sendResponseToUiMessage(result.data),
+    reply: isDailyLimit ? null : sendResponseToUiMessage(result.data),
   };
 });
 
@@ -170,16 +174,13 @@ export const chatWebSocketActor = fromCallback<ChatEvent, { token: string }>(
         done: p.done,
       });
     };
-    ws.onImage = (imageUrl) => {
-      sendBack({ type: "ChatImageReceived", imageUrl });
+    ws.onImage = (url) => {
+      sendBack({ type: "ChatImageReceived", url });
     };
     ws.onPaywallStatus = (p) => {
       sendBack({
         type: "ChatPaywallStatusReceived",
-        paywallTriggered: p.paywallTriggered,
-        showUpgrade: p.showUpgrade,
-        imageType: p.imageType,
-        imageUrl: p.imageUrl,
+        lockDetail: p,
       });
     };
     ws.onError = (msg) => {