Add Telegram Channel

Adds Telegram bot support via the Chat SDK bridge. NanoClaw doesn't ship channels in trunk, this skill copies the Telegram adapter, its pairing helper, and their tests in from the channels branch. The pair-telegram setup step is maintained in trunk, so it is not copied here.

The mechanical steps under Apply carry nc: directive fences: an agent reads the prose and applies them, and a parser can apply them deterministically from the same document. Every directive is idempotent, so the whole skill is safe to re-run; anything a parser can't apply falls back to the prose beside it.

Re-running with a bot already configured can add a second one instead of re-pairing the first; see Add another bot under Credentials.

Apply

1. Copy the adapter, helpers, and tests

Fetch the channels branch and copy the Telegram adapter, its pairing helper (with its test), and the focused adapter tests into place (overwrite, the branch is canonical):

src/channels/telegram.ts
src/channels/telegram-pairing.ts
src/channels/telegram-pairing.test.ts
src/channels/telegram-registration.test.ts
src/channels/telegram-connect-group.test.ts
src/channels/telegram-instances-registration.test.ts
src/channels/telegram-pairing-interceptor.test.ts

2. Register the adapter

Append the self-registration import to the channel barrel (skipped if the line is already present). This one line is the skill's only reach-in into core:

import './telegram.js';

3. Register the pairing setup step

Add the pair-telegram loader to the STEPS map in setup/index.ts, inside the dormant marker region (skipped if already present, pair-telegram ships in core, so this idempotent-skips on a normal install, but is expressed for a clean-upstream rebuild). The pairing handshake below spawns this step: