Read archived Telegram messages from a TimescaleDB archive over SSH. Use when the user asks what a Telegram channel/group said, to search the archive for a keyword, to see recent activity across channels, to check which channels are archived and whether they're fresh/stale, to pull links shared in a channel, or to inspect a specific message and its context. Read-only. Requires an already-populated archive -- see README.md for what that involves.
