feat(sla): adiciona interface de administração de SLA por empresa

- Adiciona CompanySlaManager para gerenciar empresas com SLA customizado
- Adiciona CompanySlaDrawer para configurar regras de SLA por empresa
- Integra componentes no SlasManager existente

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/components/admin/slas/slas-manager.tsx

@@ -16,6 +16,7 @@ import { Skeleton } from "@/components/ui/skeleton"
 import { Dialog, DialogContent, DialogFooter, DialogHeader, DialogTitle } from "@/components/ui/dialog"
 
 import { CategorySlaManager } from "./category-sla-manager"
+import { CompanySlaManager } from "./company-sla-manager"
 
 type SlaPolicy = {
   id: string
@@ -331,6 +332,8 @@ export function SlasManager() {
 
       <CategorySlaManager />
 
+      <CompanySlaManager />
+
       <Dialog open={Boolean(editingSla)} onOpenChange={(value) => (!value ? setEditingSla(null) : null)}>
         <DialogContent className="max-w-2xl">
           <DialogHeader>