A bunch of changes, including moving prompt/confirm out of context

src-web/components/core/Alert.tsx

@@ -0,0 +1,21 @@
+import type { ReactNode } from 'react';
+import { Button } from './Button';
+import { HStack, VStack } from './Stacks';
+
+export interface AlertProps {
+  onHide: () => void;
+  body: ReactNode;
+}
+
+export function Alert({ onHide, body }: AlertProps) {
+  return (
+    <VStack space={3} className="pb-4">
+      <div>{body}</div>
+      <HStack space={2} justifyContent="end">
+        <Button className="focus" color="primary" onClick={onHide}>
+          Okay
+        </Button>
+      </HStack>
+    </VStack>
+  );
+}