Inline buttons not visible in 1-on-1 chats with threads enabled
Steps to reproduce
Environment:
Bot API (not userbot)
Telegram 1-on-1 chat with threads/topics enabled
Problem:
When inline buttons are sent via Bot API to a thread in a 1-on-1 chat, the buttons are not visible in the normal conversation view. They only appear when viewing the full message list/threads view.
Steps to Reproduce:
Enable threads/topics in a Telegram 1-on-1 chat
Bot sends message with inline keyboard to a specific thread (via thread_id parameter)
Check normal conversation view - buttons are hidden
Switch to threads/full message view - buttons become visible
Expected Behavior:
Inline buttons should be visible in all view modes, consistent with how they work in group chats with topics.
Actual Behavior:
Buttons are only accessible when viewing the complete message list/threads interface.
Impact:
This makes inline buttons nearly unusable in 1-on-1 chats with threads, severely limiting the UX for personal assistant bots.
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