feat: 模板适配层、易班能力与全局状态

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/api/index.ts

@@ -1,9 +1,2 @@
-export {
-	type ApiError,
-	type ApiResponse,
-	del,
-	get,
-	post,
-	put,
-	request,
-} from "./client.ts";
+export { del, get, post, put, request } from "./client.ts";
+export type { ApiError, ApiResponse } from "./client.types";