Close SharePanel on Escape + mark as role=dialog with aria-label (a11y + PrimeNG parity)

src/features/online-board/components/BoardDetailsHeader/SharePanel.tsx

@@ -1,4 +1,4 @@
-import type { FC, MouseEvent } from "react";
+import { type FC, type MouseEvent, useEffect } from "react";
 import { useTranslation } from "@/i18n/provider.js";
 import "./actions.scss";
 
@@ -12,6 +12,15 @@ export const SharePanel: FC<SharePanelProps> = ({ url, locale, onClose }) => {
   const { t } = useTranslation();
   const encoded = encodeURIComponent(url);
 
+  // Close on Escape — matches Angular's PrimeNG p-overlayPanel dismissable behaviour.
+  useEffect(() => {
+    const onKey = (e: KeyboardEvent) => {
+      if (e.key === "Escape") onClose();
+    };
+    window.addEventListener("keydown", onKey);
+    return () => window.removeEventListener("keydown", onKey);
+  }, [onClose]);
+
   const handleCopy = async (e: MouseEvent<HTMLAnchorElement>) => {
     e.preventDefault();
     try {
@@ -23,7 +32,7 @@ export const SharePanel: FC<SharePanelProps> = ({ url, locale, onClose }) => {
   };
 
   return (
-    <div className="share-panel" data-testid="share-panel">
+    <div className="share-panel" data-testid="share-panel" role="dialog" aria-label={t("BOARD.SHARE")}>
       <div className="share-elements">
         <div>
           <a