Add strict mode

And fixes duplicate key bug due to socket automatic reconnection

src/ACTListener.ts

@@ -8,8 +8,8 @@ type Callback = (
 type EventData = {
   type: "broadcast"
   msgtype: "Chat" | "SendCharName"
-  msg: string
-}
+      msg: string
+    }
 
 export default function listenToACT(callback: Callback) {
   if (!getHost()) return listenOverlayPlugin(callback)
@@ -24,10 +24,6 @@ function listenActWebSocket(callback: Callback) {
 
   const ws = new WebSocket(wsUri)
   ws.onerror = () => ws.close()
-  ws.onclose = () =>
-    setTimeout(() => {
-      listenActWebSocket(callback)
-    }, 1000)
   ws.onmessage = function (e) {
     if (e.data === ".") return ws.send(".")
 

src/index.tsx

@@ -1,11 +1,16 @@
 import ReactDOM from "react-dom/client"
 
 import App from "./App"
+import { StrictMode } from "react"
 
 const container = document.getElementById("root")
 
 if (!container) throw new Error("Missing #root element")
 
 const root = ReactDOM.createRoot(container)
 
-root.render(<App />)
+root.render(
+  <StrictMode>
+    <App />
+  </StrictMode>,
+)