feat: simplify model page data loading

src/routes/models/[...model]/+page.svelte

@@ -21,30 +21,15 @@
 	async function createConversation(message: string) {
 		try {
 			loading = true;
-			// check if $settings.activeModel is a valid model
-			// else check if it's an assistant, and use that model
-			// else use the first model
 
-			const validModels = data.models.map((model) => model.id);
-
-			let model;
-			if (validModels.includes($settings.activeModel)) {
-				model = $settings.activeModel;
-			} else {
-				if (validModels.includes(data.assistant?.modelId)) {
-					model = data.assistant?.modelId;
-				} else {
-					model = data.models[0].id;
-				}
-			}
 			const res = await fetch(`${base}/conversation`, {
 				method: "POST",
 				headers: {
 					"Content-Type": "application/json",
 				},
 				body: JSON.stringify({
-					model,
-					preprompt: $settings.customPrompts[$settings.activeModel],
+					model: modelId,
+					preprompt: $settings.customPrompts[modelId],
 				}),
 			});
 
@@ -73,10 +58,6 @@
 	}
 
 	onMount(async () => {
-		settings.instantSet({
-			activeModel: modelId,
-		});
-
 		const query = $page.url.searchParams.get("q");
 		if (query) createConversation(query);
 	});