refac: command arrow up/down behaviour

src/lib/components/chat/MessageInput.svelte

@@ -878,20 +878,38 @@
 														e.preventDefault();
 														commandsElement.selectUp();
 
+														const container = document.getElementById('command-options-container');
 														const commandOptionButton = [
 															...document.getElementsByClassName('selected-command-option-button')
 														]?.at(-1);
-														commandOptionButton.scrollIntoView({ block: 'center' });
+
+														if (commandOptionButton && container) {
+															const elTop = commandOptionButton.offsetTop;
+															const elHeight = commandOptionButton.offsetHeight;
+															const containerHeight = container.clientHeight;
+
+															// Center the selected button in the container
+															container.scrollTop = elTop - containerHeight / 2 + elHeight / 2;
+														}
 													}
 
 													if (commandsContainerElement && e.key === 'ArrowDown') {
 														e.preventDefault();
 														commandsElement.selectDown();
 
+														const container = document.getElementById('command-options-container');
 														const commandOptionButton = [
 															...document.getElementsByClassName('selected-command-option-button')
 														]?.at(-1);
-														commandOptionButton.scrollIntoView({ block: 'center' });
+
+														if (commandOptionButton && container) {
+															const elTop = commandOptionButton.offsetTop;
+															const elHeight = commandOptionButton.offsetHeight;
+															const containerHeight = container.clientHeight;
+
+															// Center the selected button in the container
+															container.scrollTop = elTop - containerHeight / 2 + elHeight / 2;
+														}
 													}
 
 													if (commandsContainerElement && e.key === 'Enter') {

src/lib/components/chat/MessageInput/Commands/Knowledge.svelte

@@ -170,10 +170,11 @@
 		class="px-2 mb-2 text-left w-full absolute bottom-0 left-0 right-0 z-10"
 	>
 		<div class="flex w-full rounded-xl border border-gray-100 dark:border-gray-850">
-			<div
-				class="max-h-60 flex flex-col w-full rounded-xl bg-white dark:bg-gray-900 dark:text-gray-100"
-			>
-				<div class="m-1 overflow-y-auto p-1 rounded-r-xl space-y-0.5 scrollbar-hidden">
+			<div class="flex flex-col w-full rounded-xl bg-white dark:bg-gray-900 dark:text-gray-100">
+				<div
+					class="m-1 overflow-y-auto p-1 rounded-r-xl space-y-0.5 scrollbar-hidden max-h-60"
+					id="command-options-container"
+				>
 					{#each filteredItems as item, idx}
 						<button
 							class=" px-3 py-1.5 rounded-xl w-full text-left flex justify-between items-center {idx ===

src/lib/components/chat/MessageInput/Commands/Models.svelte

@@ -71,10 +71,11 @@
 		class="px-2 mb-2 text-left w-full absolute bottom-0 left-0 right-0 z-10"
 	>
 		<div class="flex w-full rounded-xl border border-gray-100 dark:border-gray-850">
-			<div
-				class="max-h-60 flex flex-col w-full rounded-xl bg-white dark:bg-gray-900 dark:text-gray-100"
-			>
-				<div class="m-1 overflow-y-auto p-1 rounded-r-lg space-y-0.5 scrollbar-hidden">
+			<div class="flex flex-col w-full rounded-xl bg-white dark:bg-gray-900 dark:text-gray-100">
+				<div
+					class="m-1 overflow-y-auto p-1 rounded-r-lg space-y-0.5 scrollbar-hidden max-h-60"
+					id="command-options-container"
+				>
 					{#each filteredItems as model, modelIdx}
 						<button
 							class="px-3 py-1.5 rounded-xl w-full text-left {modelIdx === selectedIdx

src/lib/components/chat/MessageInput/Commands/Prompts.svelte

@@ -180,10 +180,11 @@
 		class="px-2 mb-2 text-left w-full absolute bottom-0 left-0 right-0 z-10"
 	>
 		<div class="flex w-full rounded-xl border border-gray-100 dark:border-gray-850">
-			<div
-				class="max-h-60 flex flex-col w-full rounded-xl bg-white dark:bg-gray-900 dark:text-gray-100"
-			>
-				<div class="m-1 overflow-y-auto p-1 space-y-0.5 scrollbar-hidden">
+			<div class="flex flex-col w-full rounded-xl bg-white dark:bg-gray-900 dark:text-gray-100">
+				<div
+					class="m-1 overflow-y-auto p-1 space-y-0.5 scrollbar-hidden max-h-60"
+					id="command-options-container"
+				>
 					{#each filteredPrompts as prompt, promptIdx}
 						<button
 							class=" px-3 py-1.5 rounded-xl w-full text-left {promptIdx === selectedPromptIdx