fix title summarization

src/routes/conversation/[id]/+server.ts

@@ -122,6 +122,14 @@ export async function POST({ request, fetch, locals, params, getClientAddress })
 		];
 	})() satisfies Message[];
 
+	if (conv.title.startsWith("Untitled")) {
+		try {
+			conv.title = (await summarize(newPrompt)) ?? conv.title;
+		} catch (e) {
+			console.error(e);
+		}
+	}
+
 	// we now build the stream
 	const stream = new ReadableStream({
 		async start(controller) {
@@ -169,7 +177,7 @@ export async function POST({ request, fetch, locals, params, getClientAddress })
 
 			async function saveLast(generated_text: string) {
 				if (!conv) {
-					throw new Error("Conversation not found");
+					throw error(404, "Conversation not found");
 				}
 
 				const lastMessage = messages[messages.length - 1];
@@ -200,7 +208,7 @@ export async function POST({ request, fetch, locals, params, getClientAddress })
 						{
 							$set: {
 								messages,
-								title: (await summarize(newPrompt)) ?? conv.title,
+								title: conv.title,
 								updatedAt: new Date(),
 							},
 						}
@@ -283,7 +291,7 @@ export async function POST({ request, fetch, locals, params, getClientAddress })
 				{
 					$set: {
 						messages,
-						title: (await summarize(newPrompt)) ?? conv.title,
+						title: conv.title,
 						updatedAt: new Date(),
 					},
 				}