Telegram: remove @ts-nocheck from bot.ts, fix duplicate error handler, harden sticker caching (#9077)

* Telegram: remove @ts-nocheck from bot.ts and bot-message-dispatch.ts

- bot/types.ts: TelegramContext.me uses UserFromGetMe (Grammy) instead of manual inline type
- bot.ts: remove 6 unsafe casts (as any, as unknown, as object), use Grammy types directly
- bot.ts: remove dead message_thread_id access on reactions (not in Telegram Bot API)
- bot.ts: remove resolveThreadSessionKeys import (no longer needed for reactions)
- bot-message-dispatch.ts: replace ': any' with DispatchTelegramMessageParams type
- bot-message-dispatch.ts: add sticker.fileId guard before cache access
- bot.test.ts: update reaction tests, remove dead DM thread-reaction test

* Telegram: remove duplicate bot.catch handler (only the last one runs in Grammy)

* Telegram: remove @ts-nocheck from bot.ts, fix duplicate error handler, harden sticker caching (#9077)

CHANGELOG.md

@@ -6,6 +6,7 @@ Docs: https://docs.openclaw.ai
 
 ### Changes
 
+- Telegram: remove `@ts-nocheck` from `bot.ts`, fix duplicate `bot.catch` error handler (Grammy overrides), remove dead reaction `message_thread_id` routing, harden sticker cache guard. (#9077)
 - Onboarding: add Cloudflare AI Gateway provider setup and docs. (#7914) Thanks @roerohan.
 - Onboarding: add Moonshot (.cn) auth choice and keep the China base URL when preserving defaults. (#7180) Thanks @waynelwz.
 - Docs: clarify tmux send-keys for TUI by splitting text and Enter. (#7737) Thanks @Wangnov.