refac

src/lib/components/common/Textarea.svelte

@@ -32,7 +32,11 @@
 <div
 	contenteditable="true"
 	bind:this={textareaElement}
-	class="{className} whitespace-pre-wrap relative {!value.trim() ? 'placeholder' : ''}"
+	class="{className} whitespace-pre-wrap relative {value
+		? !value.trim()
+			? 'placeholder'
+			: ''
+		: 'placeholder'}"
 	style="field-sizing: content; -moz-user-select: text !important;"
 	on:input={() => {
 		const text = textareaElement.innerText;

src/lib/components/workspace/Models/ModelEditor.svelte

@@ -68,7 +68,9 @@
 		}
 	};
 
-	let params = {};
+	let params = {
+		system: ''
+	};
 	let capabilities = {
 		vision: true,
 		usage: undefined,