openai-status-bot/plans/reports/pm-260626-1726-go-telegram-bot-complete.md

Plan Complete: Switch Telegram layer to go-telegram/bot

Summary

• Duration: 2026-06-26 plan -> 2026-06-26 complete
• Phases: 5/5 completed
• Status: completed
• Branch: develop
• Tests: go test ./... pass

Achievements

• Replaced custom Telegram getUpdates loop with github.com/go-telegram/bot@v1.21.0 runtime.
• Kept command behavior in internal/bot; added framework update handler and MessageContext edge type.
• Replaced custom Telegram HTTP client with internal/telegram.Sender adapter for replies and poller notifications.
• Preserved topic replies via message_thread_id, HTML parse mode, disabled link preview, terminal subscriber cleanup.
• Preserved startup flow: health endpoint, Mongo setup, offset seed, delete webhook, set commands, poller, Telegram long polling.
• Updated docs/system-architecture.md for framework runtime and restart offset semantics.

Validation

Check	Result
Full tests	pass: go test ./...
Stale custom DTO search	pass: no telegram.Update, telegram.Message, GetUpdates, NewClient in app Telegram layer
Plan sync	pass: all phases + acceptance criteria checked
Docs impact	major: architecture doc updated

Known Limitations

• No live Telegram token/network test added; framework integration covered by compile and adapter tests.
• Webhook mode, keyboards, callbacks remain out of scope.

Unresolved Questions

None.