refactor: migrate from Biome to oxlint/oxfmt, remove contact form

- Replace Biome with oxlint + oxfmt (OXC toolchain) for linting and formatting
- Add .oxlintrc.json and .oxfmtrc.json configuration files
- Update VS Code settings and devcontainer to use oxc-vscode extension
- Remove contact form, Resend email integration, and related server action/schema
- Remove unused UI components (accordion, alert, card, tabs, toggle, etc.)

components/ui/dialog.tsx

@@ -1,44 +1,34 @@
 "use client";
 
-import * as DialogPrimitive from "@radix-ui/react-dialog";
+import { Dialog as DialogPrimitive } from "@base-ui/react/dialog";
 import { XIcon } from "lucide-react";
-import type * as React from "react";
+import * as React from "react";
+
 import { Button } from "@/components/ui/button";
 import { cn } from "@/lib/utils";
 
-function Dialog({
-  ...props
-}: React.ComponentProps<typeof DialogPrimitive.Root>) {
+function Dialog({ ...props }: DialogPrimitive.Root.Props) {
   return <DialogPrimitive.Root data-slot="dialog" {...props} />;
 }
 
-function DialogTrigger({
-  ...props
-}: React.ComponentProps<typeof DialogPrimitive.Trigger>) {
+function DialogTrigger({ ...props }: DialogPrimitive.Trigger.Props) {
   return <DialogPrimitive.Trigger data-slot="dialog-trigger" {...props} />;
 }
 
-function DialogPortal({
-  ...props
-}: React.ComponentProps<typeof DialogPrimitive.Portal>) {
+function DialogPortal({ ...props }: DialogPrimitive.Portal.Props) {
   return <DialogPrimitive.Portal data-slot="dialog-portal" {...props} />;
 }
 
-function DialogClose({
-  ...props
-}: React.ComponentProps<typeof DialogPrimitive.Close>) {
+function DialogClose({ ...props }: DialogPrimitive.Close.Props) {
   return <DialogPrimitive.Close data-slot="dialog-close" {...props} />;
 }
 
-function DialogOverlay({
-  className,
-  ...props
-}: React.ComponentProps<typeof DialogPrimitive.Overlay>) {
+function DialogOverlay({ className, ...props }: DialogPrimitive.Backdrop.Props) {
   return (
-    <DialogPrimitive.Overlay
+    <DialogPrimitive.Backdrop
       data-slot="dialog-overlay"
       className={cn(
-        "data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 fixed inset-0 z-50 bg-black/50 data-[state=closed]:animate-out data-[state=open]:animate-in",
+        "data-open:animate-in data-open:fade-in-0 data-closed:animate-out data-closed:fade-out-0 fixed inset-0 isolate z-50 bg-black/10 duration-100 supports-backdrop-filter:backdrop-blur-xs",
         className,
       )}
       {...props}
@@ -51,16 +41,16 @@ function DialogContent({
   children,
   showCloseButton = true,
   ...props
-}: React.ComponentProps<typeof DialogPrimitive.Content> & {
+}: DialogPrimitive.Popup.Props & {
   showCloseButton?: boolean;
 }) {
   return (
-    <DialogPortal data-slot="dialog-portal">
+    <DialogPortal>
       <DialogOverlay />
-      <DialogPrimitive.Content
+      <DialogPrimitive.Popup
         data-slot="dialog-content"
         className={cn(
-          "data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 fixed top-[50%] left-[50%] z-50 grid w-full max-w-[calc(100%-2rem)] translate-x-[-50%] translate-y-[-50%] gap-4 rounded-lg border bg-background p-6 shadow-lg outline-none duration-200 data-[state=closed]:animate-out data-[state=open]:animate-in sm:max-w-lg",
+          "bg-popover text-popover-foreground ring-foreground/10 data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95 fixed top-1/2 left-1/2 z-50 grid w-full max-w-[calc(100%-2rem)] -translate-x-1/2 -translate-y-1/2 gap-4 rounded-xl p-4 text-sm ring-1 duration-100 outline-none sm:max-w-sm",
           className,
         )}
         {...props}
@@ -69,24 +59,20 @@ function DialogContent({
         {showCloseButton && (
           <DialogPrimitive.Close
             data-slot="dialog-close"
-            className="absolute top-4 right-4 rounded-xs opacity-70 ring-offset-background transition-opacity hover:opacity-100 focus:outline-hidden focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none data-[state=open]:bg-accent data-[state=open]:text-muted-foreground [&_svg:not([class*='size-'])]:size-4 [&_svg]:pointer-events-none [&_svg]:shrink-0"
+            render={<Button variant="ghost" className="absolute top-2 right-2" size="icon-sm" />}
           >
             <XIcon />
             <span className="sr-only">Close</span>
           </DialogPrimitive.Close>
         )}
-      </DialogPrimitive.Content>
+      </DialogPrimitive.Popup>
     </DialogPortal>
   );
 }
 
 function DialogHeader({ className, ...props }: React.ComponentProps<"div">) {
   return (
-    <div
-      data-slot="dialog-header"
-      className={cn("flex flex-col gap-2 text-center sm:text-left", className)}
-      {...props}
-    />
+    <div data-slot="dialog-header" className={cn("flex flex-col gap-2", className)} {...props} />
   );
 }
 
@@ -102,42 +88,37 @@ function DialogFooter({
     <div
       data-slot="dialog-footer"
       className={cn(
-        "flex flex-col-reverse gap-2 sm:flex-row sm:justify-end",
+        "bg-muted/50 -mx-4 -mb-4 flex flex-col-reverse gap-2 rounded-b-xl border-t p-4 sm:flex-row sm:justify-end",
         className,
       )}
       {...props}
     >
       {children}
       {showCloseButton && (
-        <DialogPrimitive.Close asChild>
-          <Button variant="outline">Close</Button>
-        </DialogPrimitive.Close>
+        <DialogPrimitive.Close render={<Button variant="outline" />}>Close</DialogPrimitive.Close>
       )}
     </div>
   );
 }
 
-function DialogTitle({
-  className,
-  ...props
-}: React.ComponentProps<typeof DialogPrimitive.Title>) {
+function DialogTitle({ className, ...props }: DialogPrimitive.Title.Props) {
   return (
     <DialogPrimitive.Title
       data-slot="dialog-title"
-      className={cn("font-semibold text-lg leading-none", className)}
+      className={cn("font-heading text-base leading-none font-medium", className)}
       {...props}
     />
   );
 }
 
-function DialogDescription({
-  className,
-  ...props
-}: React.ComponentProps<typeof DialogPrimitive.Description>) {
+function DialogDescription({ className, ...props }: DialogPrimitive.Description.Props) {
   return (
     <DialogPrimitive.Description
       data-slot="dialog-description"
-      className={cn("text-muted-foreground text-sm", className)}
+      className={cn(
+        "text-muted-foreground *:[a]:hover:text-foreground text-sm *:[a]:underline *:[a]:underline-offset-3",
+        className,
+      )}
       {...props}
     />
   );