feat(analytics): implement advanced tracking with script-less smart proxy

- Added Umami Smart Proxy route handler
- Refactored Umami adapter to use proxy-based fetch
- Implemented TrackedButton, TrackedLink, and ScrollDepthTracker
- Integrated event tracking into ContactForm
- Enhanced Analytics component with manual pageview and performance tracking

apps/web/src/components/Button.tsx

@@ -12,6 +12,8 @@ interface ButtonProps {
   size?: "normal" | "large";
   className?: string;
   showArrow?: boolean;
+  onClick?: (e: React.MouseEvent<any>) => void;
+  [key: string]: any;
 }
 
 /**
@@ -30,6 +32,8 @@ export const Button: React.FC<ButtonProps> = ({
   size = "normal",
   className = "",
   showArrow = true,
+  onClick,
+  ...props
 }) => {
   const [hovered, setHovered] = React.useState(false);
   const [displayText, setDisplayText] = React.useState<string | null>(null);
@@ -153,14 +157,20 @@ export const Button: React.FC<ButtonProps> = ({
       <a
         href={href}
         onClick={(e) => {
+          if (onClick) onClick(e);
           e.preventDefault();
           document.querySelector(href)?.scrollIntoView({ behavior: "smooth" });
         }}
+        {...props}
       >
         {inner}
       </a>
     );
   }
 
-  return <Link href={href}>{inner}</Link>;
+  return (
+    <Link href={href} onClick={onClick} {...props}>
+      {inner}
+    </Link>
+  );
 };