fix: validate terminal link URLs before opening in external browser

electron/main.cjs

@@ -953,7 +953,14 @@ function createWindow() {
   });
 
   mainWindow.webContents.setWindowOpenHandler(({ url }) => {
+    try {
+      const parsed = new URL(url);
+      if (parsed.protocol === "http:" || parsed.protocol === "https:") {
         shell.openExternal(url);
+      }
+    } catch {
+      // invalid URL, ignore
+    }
     return { action: "deny" };
   });
 }

src/ui/features/terminal/Terminal.tsx

@@ -1938,7 +1938,12 @@ const TerminalInner = forwardRef<TerminalHandle, SSHTerminalProps>(
       const clipboardProvider = new RobustClipboardProvider();
       const clipboardAddon = new ClipboardAddon(undefined, clipboardProvider);
       const unicode11Addon = new Unicode11Addon();
-      const webLinksAddon = new WebLinksAddon();
+      const webLinksAddon = new WebLinksAddon((_event, uri) => {
+        const url = uri.startsWith("http://") || uri.startsWith("https://")
+          ? uri
+          : `https://${uri}`;
+        window.open(url, "_blank");
+      });
 
       fitAddonRef.current = fitAddon;
       terminal.loadAddon(fitAddon);