Block a user
fix: KeyError when accessing overseas balance output2[0]
Update documentation for Telegram notifications
docs: add Telegram notifications documentation (issue #35)
Integrate TelegramClient into main trading loop
feat: integrate TelegramClient into main trading loop (issue #34)
Add Telegram configuration to settings
feat: add Telegram configuration to settings (issue #33)
test: add comprehensive TelegramClient tests (issue #32)
Implement TelegramClient core module
feat: implement TelegramClient core module (issue #31)
feat: implement Sustainability - backup and disaster recovery (issue #23)
Implement Sustainability - Data backup and platform independence