feat: adição de novos ícones SVG e configuração do ambiente

- Adicionados ícones SVG para ChatGPT, Claude, Gemini e OpenRouter
- Implementados ícones para modos claro e escuro do ChatGPT
- Criado script de inicialização para PostgreSQL com extensão pgcrypto
- Adicionado script de configuração de ambiente que faz backup do .env
- Configurado tsconfig.json para TypeScript com opções de compilação

app/(dashboard)/pagadores/[pagadorId]/loading.tsx

@@ -0,0 +1,84 @@
+import { Skeleton } from "@/components/ui/skeleton";
+
+/**
+ * Loading state para a página de detalhes do pagador
+ * Layout: MonthPicker + Info do pagador + Tabs (Visão Geral / Lançamentos)
+ */
+export default function PagadorDetailsLoading() {
+  return (
+    <main className="flex flex-col gap-6">
+      {/* Month Picker placeholder */}
+      <div className="h-[60px] animate-pulse rounded-2xl bg-foreground/10" />
+
+      {/* Info do Pagador (sempre visível) */}
+      <div className="rounded-2xl border p-6 space-y-4">
+        <div className="flex items-start gap-4">
+          {/* Avatar */}
+          <Skeleton className="size-20 rounded-full bg-foreground/10" />
+
+          <div className="flex-1 space-y-3">
+            {/* Nome + Badge */}
+            <div className="flex items-center gap-3">
+              <Skeleton className="h-7 w-48 rounded-2xl bg-foreground/10" />
+              <Skeleton className="h-6 w-20 rounded-2xl bg-foreground/10" />
+            </div>
+
+            {/* Email */}
+            <Skeleton className="h-5 w-64 rounded-2xl bg-foreground/10" />
+
+            {/* Status */}
+            <div className="flex items-center gap-2">
+              <Skeleton className="size-2 rounded-full bg-foreground/10" />
+              <Skeleton className="h-4 w-16 rounded-2xl bg-foreground/10" />
+            </div>
+          </div>
+
+          {/* Botões de ação */}
+          <div className="flex gap-2">
+            <Skeleton className="h-9 w-9 rounded-2xl bg-foreground/10" />
+            <Skeleton className="h-9 w-9 rounded-2xl bg-foreground/10" />
+          </div>
+        </div>
+      </div>
+
+      {/* Tabs */}
+      <div className="space-y-6">
+        <div className="flex gap-2 border-b">
+          <Skeleton className="h-10 w-32 rounded-t-2xl bg-foreground/10" />
+          <Skeleton className="h-10 w-32 rounded-t-2xl bg-foreground/10" />
+        </div>
+
+        {/* Conteúdo da aba Visão Geral (grid de cards) */}
+        <div className="grid grid-cols-1 gap-4 md:grid-cols-2 lg:grid-cols-3">
+          {/* Card de resumo mensal */}
+          <div className="rounded-2xl border p-6 space-y-4 lg:col-span-2">
+            <Skeleton className="h-6 w-48 rounded-2xl bg-foreground/10" />
+            <div className="grid grid-cols-3 gap-4 pt-4">
+              {Array.from({ length: 3 }).map((_, i) => (
+                <div key={i} className="space-y-2">
+                  <Skeleton className="h-4 w-20 rounded-2xl bg-foreground/10" />
+                  <Skeleton className="h-7 w-full rounded-2xl bg-foreground/10" />
+                </div>
+              ))}
+            </div>
+          </div>
+
+          {/* Outros cards */}
+          {Array.from({ length: 4 }).map((_, i) => (
+            <div key={i} className="rounded-2xl border p-6 space-y-4">
+              <div className="flex items-center gap-2">
+                <Skeleton className="size-5 rounded-2xl bg-foreground/10" />
+                <Skeleton className="h-6 w-32 rounded-2xl bg-foreground/10" />
+              </div>
+              <div className="space-y-3 pt-4">
+                <Skeleton className="h-5 w-full rounded-2xl bg-foreground/10" />
+                <Skeleton className="h-5 w-3/4 rounded-2xl bg-foreground/10" />
+                <Skeleton className="h-5 w-1/2 rounded-2xl bg-foreground/10" />
+              </div>
+            </div>
+          ))}
+        </div>
+      </div>
+    </main>
+  );
+}