fix: expand details ui settings

src/lib/components/chat/Messages/Markdown/ConsecutiveDetailsGroup.svelte

@@ -31,7 +31,7 @@
 
 	export let messageDone = true;
 
-	let open = false;
+	let open = $settings?.expandDetails ?? false;
 
 	function parseJSONString(str: string) {
 		try {

src/lib/components/chat/Messages/Markdown/MarkdownTokens.svelte

@@ -381,7 +381,7 @@
 							id={`${id}-${tokenIdx}-${detailIdx}-tc`}
 							attributes={detailToken.attributes}
 							grouped={true}
-							open={false}
+							open={$settings?.expandDetails ?? false}
 							className="w-full space-y-1"
 						/>
 					{:else if textContent.length > 0}
@@ -428,7 +428,7 @@
 			<ToolCallDisplay
 				id={`${id}-${tokenIdx}-tc`}
 				attributes={token.attributes}
-				open={false}
+				open={$settings?.expandDetails ?? false}
 				className="w-full space-y-1"
 			/>
 		{:else if textContent.length > 0}