fix: automações (gatilhos, histórico) e chat desktop

apps/desktop/src/chat/ChatWidget.tsx

@@ -4,7 +4,15 @@ import { openUrl as openExternal } from "@tauri-apps/plugin-opener"
 import { invoke } from "@tauri-apps/api/core"
 import { listen } from "@tauri-apps/api/event"
 import { Send, X, Loader2, MessageCircle, Paperclip, FileText, Image as ImageIcon, File, User, ChevronUp, Minimize2, Eye, Download, Check } from "lucide-react"
-import type { ChatAttachment, ChatMessage, ChatMessagesResponse, NewMessageEvent, SessionEndedEvent, UnreadUpdateEvent } from "./types"
+import type {
+  ChatAttachment,
+  ChatMessage,
+  ChatMessagesResponse,
+  NewMessageEvent,
+  SessionEndedEvent,
+  SessionStartedEvent,
+  UnreadUpdateEvent,
+} from "./types"
 import { getMachineStoreConfig } from "./machineStore"
 
 const MAX_MESSAGES_IN_MEMORY = 200 // Limite de mensagens para evitar memory leak
@@ -243,6 +251,7 @@ export function ChatWidget({ ticketId, ticketRef }: ChatWidgetProps) {
   const messagesContainerRef = useRef<HTMLDivElement>(null)
   const messageElementsRef = useRef<Map<string, HTMLDivElement>>(new Map())
   const prevHasSessionRef = useRef<boolean>(false)
+  const retryDelayMsRef = useRef<number>(1_000)
 
   const [isAtBottom, setIsAtBottom] = useState(true)
   const isAtBottomRef = useRef(true)
@@ -361,6 +370,7 @@ export function ChatWidget({ ticketId, ticketRef }: ChatWidgetProps) {
       }
 
       setError(null)
+      retryDelayMsRef.current = 1_000
     } catch (err) {
       const message = err instanceof Error ? err.message : String(err)
       setError(message || "Erro ao carregar mensagens.")
@@ -369,6 +379,22 @@ export function ChatWidget({ ticketId, ticketRef }: ChatWidgetProps) {
     }
   }, [ensureConfig, ticketId, ticketRef])
 
+  // Auto-retry leve quando houver erro (evita ficar "morto" após falha transiente).
+  useEffect(() => {
+    if (!error) return
+
+    const delayMs = retryDelayMsRef.current
+    const timeout = window.setTimeout(() => {
+      loadMessages()
+    }, delayMs)
+
+    retryDelayMsRef.current = Math.min(retryDelayMsRef.current * 2, 30_000)
+
+    return () => {
+      window.clearTimeout(timeout)
+    }
+  }, [error, loadMessages])
+
   const markUnreadMessagesRead = useCallback(async () => {
     if (unreadCount <= 0) return
     const ids = getUnreadAgentMessageIds(messages, unreadCount)
@@ -420,6 +446,24 @@ export function ChatWidget({ ticketId, ticketRef }: ChatWidgetProps) {
     }
   }, [ticketId, loadMessages])
 
+  // Recarregar quando uma nova sessão iniciar (usuário pode estar com o chat aberto em "Offline")
+  useEffect(() => {
+    let unlisten: (() => void) | null = null
+    listen<SessionStartedEvent>("raven://chat/session-started", (event) => {
+      if (event.payload?.session?.ticketId === ticketId) {
+        loadMessages()
+      }
+    })
+      .then((u) => {
+        unlisten = u
+      })
+      .catch((err) => console.error("Falha ao registrar listener session-started:", err))
+
+    return () => {
+      unlisten?.()
+    }
+  }, [ticketId, loadMessages])
+
   // Atualizar contador em tempo real (inclui decremento quando a máquina marca como lida)
   useEffect(() => {
     let unlisten: (() => void) | null = null
@@ -697,10 +741,15 @@ export function ChatWidget({ ticketId, ticketRef }: ChatWidgetProps) {
     // Mostrar chip compacto de erro (compativel com janela minimizada)
     return (
       <div className="pointer-events-none flex h-full w-full items-end justify-end bg-transparent p-2">
-        <div className="pointer-events-auto flex items-center gap-2 rounded-full bg-red-100 px-4 py-2 text-red-600 shadow-lg">
+        <button
+          type="button"
+          onClick={() => loadMessages()}
+          className="pointer-events-auto flex items-center gap-2 rounded-full bg-red-100 px-4 py-2 text-red-600 shadow-lg transition hover:bg-red-200/60"
+          title="Tentar novamente"
+        >
           <X className="size-4" />
           <span className="text-sm font-medium">Erro no chat</span>
-        </div>
+        </button>
       </div>
     )
   }