fix

Author: sorryhyun

backend/core/settings.py

@@ -327,13 +327,33 @@ def get_cors_origins(self) -> List[str]:
         if self.vercel_url:
             origins.append(f"https://{self.vercel_url}")
 
-        # Add local network IPs for development
+        # Add local network IPs for development (including WSL2)
         import socket
 
         try:
+            # Get all IPs from all network interfaces
+            local_ips = set()
             hostname = socket.gethostname()
-            local_ip = socket.gethostbyname(hostname)
-            origins.extend([f"http://{local_ip}:5173", f"http://{local_ip}:5174"])
+            # Try hostname-based lookup
+            try:
+                local_ips.add(socket.gethostbyname(hostname))
+            except Exception:
+                pass
+            # Try getting all addresses for the hostname
+            try:
+                for info in socket.getaddrinfo(hostname, None, socket.AF_INET):
+                    local_ips.add(info[4][0])
+            except Exception:
+                pass
+            # Try connecting to external to find default route IP (works in WSL2)
+            try:
+                with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:
+                    s.connect(("8.8.8.8", 80))
+                    local_ips.add(s.getsockname()[0])
+            except Exception:
+                pass
+            for local_ip in local_ips:
+                origins.extend([f"http://{local_ip}:5173", f"http://{local_ip}:5174"])
         except Exception:
             pass
 

frontend/src/components/chat-room/message-list/MessageList.tsx

@@ -84,7 +84,20 @@ export const MessageList = memo(({ messages, roomId }: MessageListProps) => {
 
   const copyToClipboard = useCallback(async (messageId: number | string, content: string) => {
     try {
-      await navigator.clipboard.writeText(content);
+      // Use modern clipboard API if available
+      if (navigator.clipboard?.writeText) {
+        await navigator.clipboard.writeText(content);
+      } else {
+        // Fallback for non-secure contexts or older browsers
+        const textArea = document.createElement('textarea');
+        textArea.value = content;
+        textArea.style.position = 'fixed';
+        textArea.style.left = '-9999px';
+        document.body.appendChild(textArea);
+        textArea.select();
+        document.execCommand('copy');
+        document.body.removeChild(textArea);
+      }
       setCopiedMessageId(messageId);
       setTimeout(() => setCopiedMessageId(null), 2000);
     } catch (err) {

frontend/vite.config.ts

@@ -11,7 +11,7 @@ export default defineConfig({
     },
   },
   server: {
-    host: '127.0.0.1', // Localhost only - not exposed to network
+    host: '0.0.0.0', // Exposed to network (needed for WSL2 -> Windows access)
     port: 5173,
     strictPort: true, // Fail if port is in use (needed for Tauri)
   },