refactor: add primitives, plan mode display, and new session model selector

src/shared/view/ui/Card.tsx

@@ -0,0 +1,78 @@
+import * as React from 'react';
+
+import { cn } from '../../../lib/utils';
+
+const Card = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(
+  ({ className, ...props }, ref) => (
+    <div
+      ref={ref}
+      className={cn('rounded-xl border bg-card text-card-foreground shadow-sm', className)}
+      {...props}
+    />
+  )
+);
+Card.displayName = 'Card';
+
+const CardHeader = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(
+  ({ className, ...props }, ref) => (
+    <div
+      ref={ref}
+      className={cn('flex flex-col space-y-1.5 p-4', className)}
+      {...props}
+    />
+  )
+);
+CardHeader.displayName = 'CardHeader';
+
+const CardTitle = React.forwardRef<HTMLHeadingElement, React.HTMLAttributes<HTMLHeadingElement>>(
+  ({ className, ...props }, ref) => (
+    <h3
+      ref={ref}
+      className={cn('font-semibold leading-none tracking-tight', className)}
+      {...props}
+    />
+  )
+);
+CardTitle.displayName = 'CardTitle';
+
+const CardDescription = React.forwardRef<HTMLParagraphElement, React.HTMLAttributes<HTMLParagraphElement>>(
+  ({ className, ...props }, ref) => (
+    <p
+      ref={ref}
+      className={cn('text-sm text-muted-foreground', className)}
+      {...props}
+    />
+  )
+);
+CardDescription.displayName = 'CardDescription';
+
+const CardContent = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(
+  ({ className, ...props }, ref) => (
+    <div ref={ref} className={cn('p-4 pt-0', className)} {...props} />
+  )
+);
+CardContent.displayName = 'CardContent';
+
+const CardFooter = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(
+  ({ className, ...props }, ref) => (
+    <div ref={ref} className={cn('flex items-center p-4 pt-0', className)} {...props} />
+  )
+);
+CardFooter.displayName = 'CardFooter';
+
+/**
+ * Use inside a CardHeader with `className="flex flex-row items-start justify-between"`.
+ * Positions an action (button/icon) at the trailing edge of the header.
+ */
+const CardAction = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(
+  ({ className, ...props }, ref) => (
+    <div
+      ref={ref}
+      className={cn('ml-auto shrink-0', className)}
+      {...props}
+    />
+  )
+);
+CardAction.displayName = 'CardAction';
+
+export { Card, CardHeader, CardTitle, CardDescription, CardContent, CardFooter, CardAction };