Corrige widget de chat para nao quebrar sem API

- Verifica se api.liveChat.listAgentSessions existe antes de renderizar
- Retorna null no provider se Convex nao estiver sincronizado

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

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

src/components/chat/chat-widget-provider.tsx

@@ -1,6 +1,16 @@
 "use client"
 
 import dynamic from "next/dynamic"
+import { api } from "@/convex/_generated/api"
+
+// Verifica se a API do liveChat existe
+function checkLiveChatApiExists() {
+  try {
+    return typeof api.liveChat?.listAgentSessions !== "undefined"
+  } catch {
+    return false
+  }
+}
 
 // Importacao dinamica para evitar problemas de SSR
 const ChatWidget = dynamic(
@@ -9,5 +19,10 @@ const ChatWidget = dynamic(
 )
 
 export function ChatWidgetProvider() {
+  // Nao renderiza se a API nao existir (Convex nao sincronizado)
+  if (!checkLiveChatApiExists()) {
+    return null
+  }
+
   return <ChatWidget />
 }

src/components/chat/chat-widget.tsx

@@ -13,6 +13,7 @@ import { MessageCircle, Send, X, Minimize2, User, Headphones, ChevronDown } from
 
 const MAX_MESSAGE_LENGTH = 4000
 
+
 function formatTime(timestamp: number) {
   return new Date(timestamp).toLocaleTimeString("pt-BR", {
     hour: "2-digit",