refactor(hub): migrate dashboard to shadcn components

Replace manual CSS classes with shadcn Card, CardHeader, CardTitle,
CardContent, and Badge components. Remove inline <style> block —
use Tailwind utility classes via shadcn theme tokens. Add Biome
formatting across all components.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/components/ui/field.tsx

@@ -1,11 +1,11 @@
-"use client"
+"use client";
 
-import { useMemo } from "react"
-import { cva, type VariantProps } from "class-variance-authority"
+import { useMemo } from "react";
+import { cva, type VariantProps } from "class-variance-authority";
 
-import { cn } from "@/lib/utils"
-import { Label } from "@/components/ui/label"
-import { Separator } from "@/components/ui/separator"
+import { cn } from "@/lib/utils";
+import { Label } from "@/components/ui/label";
+import { Separator } from "@/components/ui/separator";
 
 function FieldSet({ className, ...props }: React.ComponentProps<"fieldset">) {
   return (
@@ -13,11 +13,11 @@ function FieldSet({ className, ...props }: React.ComponentProps<"fieldset">) {
       data-slot="field-set"
       className={cn(
         "flex flex-col gap-4 has-[>[data-slot=checkbox-group]]:gap-3 has-[>[data-slot=radio-group]]:gap-3",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
 function FieldLegend({
@@ -31,11 +31,11 @@ function FieldLegend({
       data-variant={variant}
       className={cn(
         "mb-1.5 font-medium data-[variant=label]:text-sm data-[variant=legend]:text-base",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
 function FieldGroup({ className, ...props }: React.ComponentProps<"div">) {
@@ -44,11 +44,11 @@ function FieldGroup({ className, ...props }: React.ComponentProps<"div">) {
       data-slot="field-group"
       className={cn(
         "group/field-group @container/field-group flex w-full flex-col gap-5 data-[slot=checkbox-group]:gap-3 *:data-[slot=field-group]:gap-4",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
 const fieldVariants = cva(
@@ -66,8 +66,8 @@ const fieldVariants = cva(
     defaultVariants: {
       orientation: "vertical",
     },
-  }
-)
+  },
+);
 
 function Field({
   className,
@@ -82,7 +82,7 @@ function Field({
       className={cn(fieldVariants({ orientation }), className)}
       {...props}
     />
-  )
+  );
 }
 
 function FieldContent({ className, ...props }: React.ComponentProps<"div">) {
@@ -91,11 +91,11 @@ function FieldContent({ className, ...props }: React.ComponentProps<"div">) {
       data-slot="field-content"
       className={cn(
         "group/field-content flex flex-1 flex-col gap-0.5 leading-snug",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
 function FieldLabel({
@@ -108,11 +108,11 @@ function FieldLabel({
       className={cn(
         "group/field-label peer/field-label flex w-fit gap-2 leading-snug group-data-[disabled=true]/field:opacity-50 has-data-checked:border-primary/30 has-data-checked:bg-primary/5 has-[>[data-slot=field]]:rounded-lg has-[>[data-slot=field]]:border *:data-[slot=field]:p-2.5 dark:has-data-checked:border-primary/20 dark:has-data-checked:bg-primary/10",
         "has-[>[data-slot=field]]:w-full has-[>[data-slot=field]]:flex-col",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
 function FieldTitle({ className, ...props }: React.ComponentProps<"div">) {
@@ -121,11 +121,11 @@ function FieldTitle({ className, ...props }: React.ComponentProps<"div">) {
       data-slot="field-label"
       className={cn(
         "flex w-fit items-center gap-2 text-sm font-medium group-data-[disabled=true]/field:opacity-50",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
 function FieldDescription({ className, ...props }: React.ComponentProps<"p">) {
@@ -136,11 +136,11 @@ function FieldDescription({ className, ...props }: React.ComponentProps<"p">) {
         "text-left text-sm leading-normal font-normal text-muted-foreground group-has-data-horizontal/field:text-balance [[data-variant=legend]+&]:-mt-1.5",
         "last:mt-0 nth-last-2:-mt-1",
         "[&>a]:underline [&>a]:underline-offset-4 [&>a:hover]:text-primary",
-        className
+        className,
       )}
       {...props}
     />
-  )
+  );
 }
 
 function FieldSeparator({
@@ -148,7 +148,7 @@ function FieldSeparator({
   className,
   ...props
 }: React.ComponentProps<"div"> & {
-  children?: React.ReactNode
+  children?: React.ReactNode;
 }) {
   return (
     <div
@@ -156,7 +156,7 @@ function FieldSeparator({
       data-content={!!children}
       className={cn(
         "relative -my-2 h-5 text-sm group-data-[variant=outline]/field-group:-mb-2",
-        className
+        className,
       )}
       {...props}
     >
@@ -170,7 +170,7 @@ function FieldSeparator({
         </span>
       )}
     </div>
-  )
+  );
 }
 
 function FieldError({
@@ -179,37 +179,37 @@ function FieldError({
   errors,
   ...props
 }: React.ComponentProps<"div"> & {
-  errors?: Array<{ message?: string } | undefined>
+  errors?: Array<{ message?: string } | undefined>;
 }) {
   const content = useMemo(() => {
     if (children) {
-      return children
+      return children;
     }
 
     if (!errors?.length) {
-      return null
+      return null;
     }
 
     const uniqueErrors = [
       ...new Map(errors.map((error) => [error?.message, error])).values(),
-    ]
+    ];
 
     if (uniqueErrors?.length == 1) {
-      return uniqueErrors[0]?.message
+      return uniqueErrors[0]?.message;
     }
 
     return (
       <ul className="ml-4 flex list-disc flex-col gap-1">
         {uniqueErrors.map(
           (error, index) =>
-            error?.message && <li key={index}>{error.message}</li>
+            error?.message && <li key={index}>{error.message}</li>,
         )}
       </ul>
-    )
-  }, [children, errors])
+    );
+  }, [children, errors]);
 
   if (!content) {
-    return null
+    return null;
   }
 
   return (
@@ -221,7 +221,7 @@ function FieldError({
     >
       {content}
     </div>
-  )
+  );
 }
 
 export {
@@ -235,4 +235,4 @@ export {
   FieldSet,
   FieldContent,
   FieldTitle,
-}
+};