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/customer-table.tsx

@@ -0,0 +1,47 @@
+"use client"
+
+import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/components/ui/table"
+import type { Cliente } from "@/lib/supabase"
+
+interface CustomerTableProps {
+  customers: Cliente[]
+}
+
+export function CustomerTable({ customers }: CustomerTableProps) {
+  if (customers.length === 0) {
+    return (
+      <div className="rounded-md border p-8 text-center text-muted-foreground">
+        Nenhum cliente cadastrado.
+      </div>
+    )
+  }
+
+  return (
+    <div className="rounded-md border">
+      <Table>
+        <TableHeader>
+          <TableRow>
+            <TableHead>Nome</TableHead>
+            <TableHead>E-mail</TableHead>
+            <TableHead>CPF/CNPJ</TableHead>
+            <TableHead>Telefone</TableHead>
+            <TableHead>Cadastro</TableHead>
+          </TableRow>
+        </TableHeader>
+        <TableBody>
+          {customers.map((c) => (
+            <TableRow key={c.id}>
+              <TableCell className="font-medium">{c.nome}</TableCell>
+              <TableCell>{c.email}</TableCell>
+              <TableCell>{c.cpf_cnpj ?? "—"}</TableCell>
+              <TableCell>{c.telefone ?? "—"}</TableCell>
+              <TableCell className="text-sm text-muted-foreground">
+                {new Date(c.created_at).toLocaleDateString("pt-BR")}
+              </TableCell>
+            </TableRow>
+          ))}
+        </TableBody>
+      </Table>
+    </div>
+  )
+}