Add control S hotkey to execute code

packages/docs/src/.vitepress/theme/components/CodeSandbox.vue

@@ -13,6 +13,7 @@
           maxLines: props.fullHeight ? null : 20,
           showPrintMargin: false
         }"
+        @keydown="handleExecuteHotkey"
       />
       <div class="editor-buttons">
         <button v-if="!hideRunButton" @click="executeCode" class="primary-button">Run Code</button>
@@ -291,6 +292,30 @@ const handleMessage = (event: MessageEvent) => {
   }
 };
 
+// Platform detection for keyboard shortcuts
+const isMac = computed(() => {
+  // Modern browsers
+  if ('userAgentData' in navigator) {
+    return (navigator as any).userAgentData.platform === 'macOS';
+  }
+  
+  // Legacy browsers
+  return /Mac|iPod|iPhone|iPad/.test(navigator.platform);
+});
+
+// Handle keyboard shortcuts for code execution
+const handleExecuteHotkey = (event: KeyboardEvent) => {
+  // Check if the save hotkey was pressed
+  const isSaveShortcut = event.key.toLowerCase() === 's' && 
+    (isMac.value ? event.metaKey : event.ctrlKey);
+
+  // If the save hotkey was pressed, then execute the code
+  if (isSaveShortcut) {
+    event.preventDefault();
+    executeCode();
+  }
+};
+
 // Lifecycle hooks
 onMounted(() => {
   // Check if there's code in the URL hash fragment