style: apply Biome formatting and auto-fixes

- Format 78 files, fixed 42 files total
- Apply safe lint fixes (non-null assertions converted to optional chaining)
- Remaining lint warnings are non-blocking (test code, a11y suggestions)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

packages/ui/src/CodeBlock/CodeBlock.tsx

@@ -32,17 +32,7 @@ import {
  * ```
  */
 export const CodeBlock = forwardRef<HTMLDivElement, CodeBlockProps>(
-	(
-		{
-			className,
-			code,
-			language = "text",
-			size = "md",
-			showCopy = true,
-			...props
-		},
-		ref,
-	) => {
+	({ className, code, language = "text", size = "md", showCopy = true, ...props }, ref) => {
 		const [copied, setCopied] = useState(false);
 
 		const handleCopy = async () => {
@@ -57,11 +47,7 @@ export const CodeBlock = forwardRef<HTMLDivElement, CodeBlockProps>(
 		};
 
 		return (
-			<div
-				ref={ref}
-				className={cn(codeBlockContainerVariants(), className)}
-				{...props}
-			>
+			<div ref={ref} className={cn(codeBlockContainerVariants(), className)} {...props}>
 				<code
 					className={codeBlockCodeVariants({
 						size,