fix: title generation + ai sdk upgrade (#1392)

components/chat.tsx

@@ -89,13 +89,9 @@ export function Chat({
   } = useChat<ChatMessage>({
     id,
     messages: initialMessages,
-    experimental_throttle: 100,
     generateId: generateUUID,
-    // Auto-continue after tool approval (only for APPROVED tools)
-    // Denied tools don't need server continuation - state is saved on next user message
     sendAutomaticallyWhen: ({ messages: currentMessages }) => {
       const lastMessage = currentMessages.at(-1);
-      // Only continue if a tool was APPROVED (not denied)
       const shouldContinue =
         lastMessage?.parts?.some(
           (part) =>
@@ -111,10 +107,6 @@ export function Chat({
       fetch: fetchWithErrorHandlers,
       prepareSendMessagesRequest(request) {
         const lastMessage = request.messages.at(-1);
-
-        // Check if this is a tool approval continuation:
-        // - Last message is NOT a user message (meaning no new user input)
-        // - OR any message has tool parts that were responded to (approved or denied)
         const isToolApprovalContinuation =
           lastMessage?.role !== "user" ||
           request.messages.some((msg) =>
@@ -129,7 +121,6 @@ export function Chat({
         return {
           body: {
             id: request.id,
-            // Send all messages for tool approval continuation, otherwise just the last user message
             ...(isToolApprovalContinuation
               ? { messages: request.messages }
               : { message: lastMessage }),
@@ -148,7 +139,6 @@ export function Chat({
     },
     onError: (error) => {
       if (error instanceof ChatSDKError) {
-        // Check if it's a credit card error
         if (
           error.message?.includes("AI Gateway requires a valid credit card")
         ) {