feat: initial commit — asaas-checkout template white-label

Template genérico de checkout com ASAAS, parametrizado via env vars.
Inclui fluxo completo: checkout → pedido → polling → webhook → admin.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

components/ui/command.tsx

@@ -0,0 +1,69 @@
+"use client"
+
+import * as React from "react"
+import { Command as CommandPrimitive } from "cmdk"
+import { cn } from "@/lib/utils"
+
+const Command = React.forwardRef<
+  React.ElementRef<typeof CommandPrimitive>,
+  React.ComponentPropsWithoutRef<typeof CommandPrimitive>
+>(({ className, ...props }, ref) => (
+  <CommandPrimitive
+    ref={ref}
+    className={cn("flex h-full w-full flex-col overflow-hidden rounded-md bg-popover text-popover-foreground", className)}
+    {...props}
+  />
+))
+Command.displayName = CommandPrimitive.displayName
+
+const CommandInput = React.forwardRef<
+  React.ElementRef<typeof CommandPrimitive.Input>,
+  React.ComponentPropsWithoutRef<typeof CommandPrimitive.Input>
+>(({ className, ...props }, ref) => (
+  <CommandPrimitive.Input
+    ref={ref}
+    className={cn("flex h-10 w-full rounded-md bg-transparent py-3 text-sm outline-none placeholder:text-muted-foreground disabled:cursor-not-allowed disabled:opacity-50", className)}
+    {...props}
+  />
+))
+CommandInput.displayName = CommandPrimitive.Input.displayName
+
+const CommandList = React.forwardRef<
+  React.ElementRef<typeof CommandPrimitive.List>,
+  React.ComponentPropsWithoutRef<typeof CommandPrimitive.List>
+>(({ className, ...props }, ref) => (
+  <CommandPrimitive.List ref={ref} className={cn("max-h-[300px] overflow-y-auto overflow-x-hidden", className)} {...props} />
+))
+CommandList.displayName = CommandPrimitive.List.displayName
+
+const CommandEmpty = React.forwardRef<
+  React.ElementRef<typeof CommandPrimitive.Empty>,
+  React.ComponentPropsWithoutRef<typeof CommandPrimitive.Empty>
+>((props, ref) => <CommandPrimitive.Empty ref={ref} className="py-6 text-center text-sm" {...props} />)
+CommandEmpty.displayName = CommandPrimitive.Empty.displayName
+
+const CommandGroup = React.forwardRef<
+  React.ElementRef<typeof CommandPrimitive.Group>,
+  React.ComponentPropsWithoutRef<typeof CommandPrimitive.Group>
+>(({ className, ...props }, ref) => (
+  <CommandPrimitive.Group ref={ref} className={cn("overflow-hidden p-1 text-foreground [&_[cmdk-group-heading]]:px-2 [&_[cmdk-group-heading]]:py-1.5 [&_[cmdk-group-heading]]:text-xs [&_[cmdk-group-heading]]:font-medium [&_[cmdk-group-heading]]:text-muted-foreground", className)} {...props} />
+))
+CommandGroup.displayName = CommandPrimitive.Group.displayName
+
+const CommandItem = React.forwardRef<
+  React.ElementRef<typeof CommandPrimitive.Item>,
+  React.ComponentPropsWithoutRef<typeof CommandPrimitive.Item>
+>(({ className, ...props }, ref) => (
+  <CommandPrimitive.Item ref={ref} className={cn("relative flex cursor-default select-none items-center rounded-sm px-2 py-1.5 text-sm outline-none aria-selected:bg-accent aria-selected:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50", className)} {...props} />
+))
+CommandItem.displayName = CommandPrimitive.Item.displayName
+
+const CommandSeparator = React.forwardRef<
+  React.ElementRef<typeof CommandPrimitive.Separator>,
+  React.ComponentPropsWithoutRef<typeof CommandPrimitive.Separator>
+>(({ className, ...props }, ref) => (
+  <CommandPrimitive.Separator ref={ref} className={cn("-mx-1 h-px bg-border", className)} {...props} />
+))
+CommandSeparator.displayName = CommandPrimitive.Separator.displayName
+
+export { Command, CommandInput, CommandList, CommandEmpty, CommandGroup, CommandItem, CommandSeparator }