chore: expose zod from astro:actions

packages/astro/src/actions/runtime/virtual/client.ts

@@ -1,5 +1,11 @@
 export * from './shared.js';
 
 export function defineAction() {
-	throw new Error('`defineAction()` unexpectedly used on the client.');
+	throw new Error('[astro:action] `defineAction()` unexpectedly used on the client.');
 }
+
+export const z = new Proxy({}, {
+	get() {
+		throw new Error('[astro:action] `z` unexpectedly used on the client.');
+	},
+})

packages/astro/src/actions/runtime/virtual/server.ts

@@ -6,6 +6,8 @@ import { ActionError, ValidationError } from './shared.js';
 
 export * from './shared.js';
 
+export { z } from 'astro/zod';
+
 export function defineAction<TOutput, TInputSchema extends z.ZodType>({
 	input: inputSchema,
 	handler,