Logs into a real Telegram account via MTProto (GramJS) rather than a bot,
so it can read any public channel's history. API ID/hash and the login
session are entered through the admin Connections panel and stored
encrypted at rest (new storage/crypto.ts AES-256-GCM helper) rather than
via .env. Messages render as their own TelegramCard (same treatment as
tweets) and open the original message on Telegram instead of an internal
article page; attached media/albums are downloaded and self-hosted at
ingestion time since Telegram has no public hotlinkable media URL.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014c1L8ghNBFjfiH64UMViP8
Claude
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