The proxy configuration (`channels.telegram.proxy`) was only used for
the gateway monitor (polling), but not for outbound sends (sendMessage,
reactMessage, deleteMessage). This caused outbound messages to bypass
the configured proxy, which is problematic for users behind corporate
proxies or those who want to route all traffic through a specific proxy.
This change ensures that all three outbound functions use the same
proxy configuration as the monitor:
- sendMessageTelegram
- reactMessageTelegram
- deleteMessageTelegram
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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