fix: guard completed API with message id (#23184)

src/lib/apis/index.ts

@@ -161,9 +161,12 @@ export const getModels = async (
 
 type ChatCompletedForm = {
 	model: string;
-	messages: string[];
+	messages: Record<string, unknown>[];
 	chat_id: string;
-	session_id: string;
+	session_id: string | undefined;
+	id: string;
+	filter_ids?: string[];
+	model_item?: unknown;
 };
 
 export const chatCompleted = async (token: string, body: ChatCompletedForm) => {

src/lib/components/chat/Chat.svelte

@@ -1358,6 +1358,11 @@
 	};
 
 	const chatCompletedHandler = async (_chatId, modelId, responseMessageId, messages) => {
+		if (!responseMessageId) {
+			console.error('chatCompleted: missing message id', { chatId: _chatId, modelId, messageCount: messages?.length ?? 0 });
+			return;
+		}
+
 		const res = await chatCompleted(localStorage.token, {
 			model: modelId,
 			messages: messages.map((m) => ({