Fix watcher rebuild on page add and delete

dist/functions/bundler/all-pages-esbuild-context-bundler.d.ts

@@ -7,5 +7,9 @@ type Params = {
     build_only?: boolean;
     start?: boolean;
 };
+/**
+ * True when `local_path` is a hydration entry of the current esbuild context.
+ */
+export declare function isHydrationEntryPage(local_path: string): boolean;
 export default function allPagesESBuildContextBundler(params?: Params): Promise<void>;
 export {};