Make reply use the API (#5389)

Co-authored-by: Douwe Osinga <douwe@squareup.com>

ui/desktop/src/api/sdk.gen.ts

@@ -351,7 +351,7 @@ export const scanRecipe = <ThrowOnError extends boolean = false>(options: Option
 };
 
 export const reply = <ThrowOnError extends boolean = false>(options: Options<ReplyData, ThrowOnError>) => {
-    return (options.client ?? client).post<ReplyResponses, ReplyErrors, ThrowOnError>({
+    return (options.client ?? client).sse.post<ReplyResponses, ReplyErrors, ThrowOnError>({
         url: '/reply',
         ...options,
         headers: {

ui/desktop/src/api/types.gen.ts

@@ -360,6 +360,32 @@ export type MessageContent = (TextContent & {
     type: 'systemNotification';
 });
 
+export type MessageEvent = {
+    message: Message;
+    type: 'Message';
+} | {
+    error: string;
+    type: 'Error';
+} | {
+    reason: string;
+    type: 'Finish';
+} | {
+    mode: string;
+    model: string;
+    type: 'ModelChange';
+} | {
+    message: {
+        [key: string]: unknown;
+    };
+    request_id: string;
+    type: 'Notification';
+} | {
+    conversation: Conversation;
+    type: 'UpdateConversation';
+} | {
+    type: 'Ping';
+};
+
 /**
  * Metadata for message visibility
  */
@@ -1825,9 +1851,11 @@ export type ReplyResponses = {
     /**
      * Streaming response initiated
      */
-    200: unknown;
+    200: MessageEvent;
 };
 
+export type ReplyResponse = ReplyResponses[keyof ReplyResponses];
+
 export type CreateScheduleData = {
     body: CreateScheduleRequest;
     path?: never;