Fix build lags

dist/functions/bundler/plugins/ssr-virtual-files-plugin.d.ts

@@ -1,9 +1,16 @@
 import type { Plugin } from "esbuild";
 import type { PageFiles } from "../../../types";
-type Params = {
-    entryToPage: Map<string, PageFiles & {
-        tsx: string;
-    }>;
+type SSRVirtualEntry = PageFiles & {
+    tsx: string;
 };
-export default function ssrVirtualFilesPlugin({ entryToPage }: Params): Plugin;
+type Params = {
+    /**
+     * Lazily-resolved current virtual entry contents. The map is refreshed
+     * before every rebuild so edits to `.server.ts`/api files (whose virtual
+     * entries mirror their raw file content) are picked up by a plain
+     * `ctx.rebuild()` without recreating the esbuild context.
+     */
+    getEntryToPage: () => Map<string, SSRVirtualEntry>;
+};
+export default function ssrVirtualFilesPlugin({ getEntryToPage }: Params): Plugin;
 export {};