updated orchestion to handle updating and deleting sessions

packages/chat-client/src/hooks/useContextMenu.js

@@ -0,0 +1,22 @@
+import { useState, useEffect, useCallback } from 'react';
+
+export function useContextMenu() {
+    const [menu, setMenu] = useState(null); // { x, y, session }
+
+    const open = useCallback((e, session) => {
+        e.preventDefault();
+        setMenu({ x: e.clientX, y: e.clientY, session });
+    }, []);
+
+    const close = useCallback(() => setMenu(null), []);
+
+    // Close on any click outside
+    useEffect(() => {
+        if (!menu) return;
+        const handler = () => close();
+        window.addEventListener('click', handler);
+        return () => window.removeEventListener('click', handler);
+    }, [menu, close]);
+
+    return { menu, open, close };
+}