diff --git a/client/app.js b/client/app.js
new file mode 100644
index 0000000..1d9c578
--- /dev/null
+++ b/client/app.js
@@ -0,0 +1,28 @@
+const alertBox = document.getElementById('alert-box');
+
+function showAlert(message) {
+ alertBox.textContent = message;
+ alertBox.className = 'error';
+ alertBox.style.display = 'block';
+ setTimeout(() => { alertBox.style.display = 'none'; }, 5000);
+}
+
+// Signaling Error Handling
+const socket = new WebSocket('ws://your-server-url');
+socket.onerror = () => showAlert('Signaling server unreachable.');
+socket.onclose = () => showAlert('Connection to server lost.');
+
+// WebRTC Error Handling
+const peerConnection = new RTCPeerConnection();
+peerConnection.oniceconnectionstatechange = () => {
+ if (peerConnection.iceConnectionState === 'failed' || peerConnection.iceConnectionState === 'disconnected') {
+ showAlert('WebRTC connection failed.');
+ }
+};
+
+// File Transfer Error Handling
+function handleTransfer(file) {
+ const reader = new FileReader();
+ reader.onerror = () => showAlert('File transfer interrupted.');
+ // ... transfer logic
+}
\ No newline at end of file
diff --git a/client/index.html b/client/index.html
index 4a8a231..fc389a4 100644
--- a/client/index.html
+++ b/client/index.html
@@ -1,96 +1,15 @@
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- OpenDrop - Secure Local WebRTC File Transfer
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- Loading...
- You
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Incoming File
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