fix: ship prebuilt lib and drop prepare for one-click git install

Avoids pnpm allowBuilds block on dsh plugin add; README install steps expanded for first-time users.

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/client.d.ts

@@ -0,0 +1,63 @@
+export interface TelegramUser {
+    id: number;
+    is_bot?: boolean;
+    first_name?: string;
+    username?: string;
+}
+export interface TelegramChat {
+    id: number;
+    type: string;
+    title?: string;
+    username?: string;
+}
+export interface TelegramMessage {
+    message_id: number;
+    date: number;
+    chat: TelegramChat;
+    from?: TelegramUser;
+    text?: string;
+}
+export interface TelegramCallbackQuery {
+    id: string;
+    from: TelegramUser;
+    message?: TelegramMessage;
+    data?: string;
+}
+export interface TelegramUpdate {
+    update_id: number;
+    message?: TelegramMessage;
+    callback_query?: TelegramCallbackQuery;
+}
+export interface InlineKeyboardButton {
+    text: string;
+    callback_data: string;
+}
+export interface InlineKeyboardMarkup {
+    inline_keyboard: InlineKeyboardButton[][];
+}
+export interface TelegramClientOptions {
+    fetch?: typeof fetch;
+    baseUrl?: string;
+    pollingTimeoutSec?: number;
+}
+export interface TelegramClientLike {
+    getMe(): Promise<TelegramUser>;
+    getUpdates(offset?: number): Promise<TelegramUpdate[]>;
+    sendMessage(chatId: number, text: string, parseMode?: string, replyMarkup?: InlineKeyboardMarkup): Promise<TelegramMessage>;
+    sendChatAction(chatId: number, action: string): Promise<boolean>;
+    answerCallbackQuery(callbackQueryId: string, text?: string): Promise<boolean>;
+}
+export declare class TelegramClient implements TelegramClientLike {
+    private readonly token;
+    private readonly fetchImpl;
+    private readonly baseUrl;
+    private readonly pollingTimeoutSec;
+    constructor(token: string, options?: TelegramClientOptions);
+    private redact;
+    private call;
+    getMe(): Promise<TelegramUser>;
+    getUpdates(offset?: number): Promise<TelegramUpdate[]>;
+    sendMessage(chatId: number, text: string, parseMode?: string, replyMarkup?: InlineKeyboardMarkup): Promise<TelegramMessage>;
+    sendChatAction(chatId: number, action: string): Promise<boolean>;
+    answerCallbackQuery(callbackQueryId: string, text?: string): Promise<boolean>;
+}