enh: code interpreter toggle

src/lib/components/chat/Placeholder.svelte

@@ -35,6 +35,7 @@
 
 	export let selectedToolIds = [];
 	export let imageGenerationEnabled = false;
+	export let codeInterpreterEnabled = false;
 	export let webSearchEnabled = false;
 
 	let models = [];
@@ -196,6 +197,7 @@
 					bind:autoScroll
 					bind:selectedToolIds
 					bind:imageGenerationEnabled
+					bind:codeInterpreterEnabled
 					bind:webSearchEnabled
 					bind:atSelectedModel
 					{transparentBackground}