Merge pull request 'Http 환경 CopyButton 오류 수정' (#236) from feature/devfront-content into dev

Reviewed-on: ai-team/baron-sso#236

devfront/src/components/ui/copy-button.tsx

@@ -27,7 +27,28 @@ export function CopyButton({
 
   const copyToClipboard = async () => {
     try {
-      await navigator.clipboard.writeText(value);
+      if (navigator.clipboard && window.isSecureContext) {
+        await navigator.clipboard.writeText(value);
+      } else {
+        // Fallback for non-secure contexts (HTTP) or missing navigator.clipboard
+        const textArea = document.createElement("textarea");
+        textArea.value = value;
+        textArea.style.position = "fixed";
+        textArea.style.left = "-9999px";
+        textArea.style.top = "0";
+        document.body.appendChild(textArea);
+        textArea.focus();
+        textArea.select();
+        try {
+          const successful = document.execCommand('copy');
+          if (!successful) throw new Error('execCommand copy failed');
+        } catch (err) {
+          console.error('Fallback: Oops, unable to copy', err);
+          throw err;
+        } finally {
+          document.body.removeChild(textArea);
+        }
+      }
       setHasCopied(true);
       if (onCopy) onCopy();
     } catch (err) {