refactor: export build entry types from server entry instead of separate export

Move `BuildEntryContext` and `BuildEntryFunction` type exports from the
dedicated `@funstack/static/build-entry` path to `@funstack/static/server`,
keeping the public API surface smaller.

https://claude.ai/code/session_01D7p4ghgU7hqJA6SnMfVtPA

Author: claude

packages/docs/src/build.ts

@@ -1,6 +1,6 @@
 import { writeFile } from "node:fs/promises";
 import path from "node:path";
-import type { BuildEntryFunction } from "@funstack/static/build-entry";
+import type { BuildEntryFunction } from "@funstack/static/server";
 import type { RouteDefinition } from "@funstack/router/server";
 import { routes } from "./App";
 

packages/static/package.json

@@ -27,10 +27,6 @@
       "types": "./dist/entryDefinition.d.mts",
       "import": "./dist/entryDefinition.mjs"
     },
-    "./build-entry": {
-      "types": "./dist/buildEntryDefinition.d.mts",
-      "import": "./dist/buildEntryDefinition.mjs"
-    },
     "./server": {
       "types": "./dist/entries/server.d.mts",
       "import": "./dist/entries/server.mjs"

packages/static/src/entries/server.ts

@@ -1 +1,5 @@
 export { defer, type DeferOptions } from "../rsc/defer";
+export type {
+  BuildEntryContext,
+  BuildEntryFunction,
+} from "../buildEntryDefinition";

packages/static/tsdown.config.ts

@@ -4,7 +4,6 @@ export default defineConfig({
   entry: [
     "src/index.ts",
     "src/entryDefinition.ts",
-    "src/buildEntryDefinition.ts",
     "src/entries/*.ts",
     "src/bin/*.ts",
   ],