Problem

• Telegram forum topics can show "This command is not available" for slash commands unless bot commands are registered for group scope.
• Some auth/diagnostic command responses could be sent without message_thread_id and land in the General topic.

Fix

• Register Telegram bot commands with both default scope and all_group_chats scope via setMyCommands.
• Ensure auth/diagnostic sendMessage responses in resolveTelegramCommandAuth include correct forum topic thread params (omitting General topic id=1 as required).
• Ensure plugin-command "Command not found" message also preserves topic thread params.

Tests

• Updated src/telegram/bot-native-commands.test.ts to assert setMyCommands is called with all_group_chats scope.
• Ran: pnpm vitest run src/telegram/bot-native-commands.test.ts

Greptile Overview

Greptile Summary

This PR updates Telegram native command handling in two ways: (1) it registers bot commands for both the default scope and the all_group_chats scope to avoid Telegram forum-topic clients showing “This command is not available”, and (2) it preserves forum topic routing (via message_thread_id, omitting General topic id=1) for auth/diagnostic and “Command not found” replies so responses stay in the invoking topic.

The changes are localized to src/telegram/bot-native-commands.ts, with a small test update in src/telegram/bot-native-commands.test.ts to cover the added group-scope registration behavior.

Confidence Score: 4/5

• This PR is likely safe to merge, with one functional follow-up needed to keep command scopes consistent when disabling commands.
• Changes are small and targeted (adding thread params to a few sendMessage calls and registering commands in an additional Telegram scope). Main risk is behavioral inconsistency: group-scoped commands may remain registered if native commands are later disabled, since the disable path only clears the default scope.
• src/telegram/bot-native-commands.ts

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Context used:

• Context from dashboard - CLAUDE.md (source)
• Context from dashboard - AGENTS.md (source)