test(dock schedule fail): failed attempt ad doing a dock schedule but leaving in here

frontend/src/lib/socket.io/socket.tsx

@@ -0,0 +1,59 @@
+import { io } from "socket.io-client";
+
+export const coreSocket = io(
+    window.location.origin || "http://localhost:3000",
+    {
+        path: "/lst/api/ws",
+        autoConnect: true,
+        // transports: ["websocket", "polling"],
+        withCredentials: true,
+        reconnectionAttempts: 5,
+        timeout: 10_000,
+    }
+);
+
+// --- Core events ---
+coreSocket.on("connect", () => {
+    console.log("✅ Core connected:", coreSocket.id);
+    console.log("🔗 Transport:", coreSocket.io.engine.transport.name);
+});
+
+coreSocket.on("disconnect", (reason) => {
+    console.warn("🔴 Core disconnected:", reason);
+    if (reason === "io server disconnect") coreSocket.connect();
+});
+
+coreSocket.on("connect_error", (err) => {
+    console.error("❌ Core connect error:", err.message);
+});
+
+coreSocket.io.on("reconnect_attempt", (attempt) => {
+    console.log("♻️  Core reconnect attempt:", attempt);
+});
+
+coreSocket.io.on("reconnect_failed", () => {
+    console.error("💀 Core reconnect failed after max attempts");
+});
+
+coreSocket.io.engine.on("upgrade", (transport) => {
+    console.log("🚀 Core upgraded to:", transport.name);
+});
+
+coreSocket.io.engine.on("close", (reason) => {
+    console.warn("🧨 Core engine closed:", reason);
+});
+
+setInterval(() => {
+    //console.log(window.location.origin);
+    if (coreSocket.connected) {
+        coreSocket.emit("keepalive");
+        console.log("🏓 Ping sent to server");
+    } else {
+        //console.warn("⚠️ Socket not connected, skipping ping");
+    }
+}, 30 * 1000);
+
+// Optional: listen for server acknowledgment
+coreSocket.on("pongCheck", (data) => {
+    console.log("🏓 Pong received from server:", data);
+});