allow pasting an invite URL into the invite code box

src/chat/components/ServerDiscovery.svelte

@@ -19,14 +19,23 @@
     joinError = null;
   });
 
+  $effect(() => {
+    if (isJoining) {
+        joinError = null;
+    }
+  });
+
   $effect(() => {
     if (!isJoining) return;
 
     const status = chat.joinServerStatus;
+    console.log("[Discovery] joinServerStatus updated:", status);
+
     if (status?.status === "error") {
       joinError = status.error || "Failed to join server";
       isJoining = false; // Attempt finished with error
     } else if (status?.status === "success") {
+      console.log("[Discovery] Join SUCCESS recorded.");
       joinError = null;
       inviteCode = "";
       isJoining = false; // Attempt finished with success
@@ -48,10 +57,25 @@
   );
 
   function handleJoinWithCode() {
-    if (inviteCode.trim()) {
+    let finalCode = inviteCode.trim();
+
+    // Check if the user pasted a full URL
+    if (finalCode.includes("?invite=") || finalCode.includes("&invite=")) {
+      try {
+        const url = new URL(finalCode);
+        const codeFromUrl = url.searchParams.get("invite");
+        if (codeFromUrl) {
+          finalCode = codeFromUrl;
+        }
+      } catch (e) {
+        // Not a valid URL, treat as raw code
+      }
+    }
+
+    if (finalCode) {
       joinError = null;
       isJoining = true;
-      chat.handleJoinServer(undefined, inviteCode.trim());
+      chat.handleJoinServer(undefined, finalCode);
     }
   }
 </script>