가상매매 시간봉 제거

app/src/hooks/useAppVersion.ts

@@ -0,0 +1,28 @@
+import { useEffect, useState } from 'react';
+import { Capacitor } from '@capacitor/core';
+import { App } from '@capacitor/app';
+
+/** 네이티브: build.gradle versionName / versionCode · 웹: dev */
+export function useAppVersion(): string {
+  const [label, setLabel] = useState('…');
+
+  useEffect(() => {
+    void (async () => {
+      if (Capacitor.isNativePlatform()) {
+        try {
+          const { version, build } = await App.getInfo();
+          setLabel(build ? `${version} (build ${build})` : version);
+          return;
+        } catch {
+          /* fallback */
+        }
+      }
+      setLabel(
+        (import.meta as ImportMeta & { env?: { VITE_APP_VERSION?: string } }).env
+          ?.VITE_APP_VERSION ?? 'web',
+      );
+    })();
+  }, []);
+
+  return label;
+}