docs/experiments/plans/group-policy-hardening.md

metadata

summary: 'Telegram allowlist hardening: prefix + whitespace normalization'
read_when:
  - Reviewing historical Telegram allowlist changes
title: Telegram Allowlist Hardening

Telegram Allowlist Hardening

Date: 2026-01-05
Status: Complete
PR: #216

Summary

Telegram allowlists now accept telegram: and tg: prefixes case-insensitively, and tolerate accidental whitespace. This aligns inbound allowlist checks with outbound send normalization.

What changed

• Prefixes telegram: and tg: are treated the same (case-insensitive).
• Allowlist entries are trimmed; empty entries are ignored.

Examples

All of these are accepted for the same ID:

• telegram:123456
• TG:123456
• tg:123456

Why it matters

Copy/paste from logs or chat IDs often includes prefixes and whitespace. Normalizing avoids false negatives when deciding whether to respond in DMs or groups.

Related docs

• Group Chats
• Telegram Provider