* feat(telegram): add CLI project with Bot API client
* feat(telegram): add telegram-send plugin-tool
* test(telegram): add unit tests for markdown, config, api
* chore(env): add TELEGRAM_CHAT_ID to .env.example
* docs(handoff): add handoff and ADR for telegram-send
* docs(handoff): set PR number 174
* docs: update project map for telegram-send tool
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Co-authored-by: opencode-agent <agent@opencode.local>
