Client commands tokens cover all your panel accounts

One token runs the commands of every account of its owner on the panel: /me
lists them, the plugin asks for the commands of each one signed in on the
device, and every request names its account by Telegram user id.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

README.md

@@ -50,11 +50,13 @@ you choose so.
 
 ## Setup
 
-1. In the panel, open Settings → API Tokens and create a **Client commands** token for each
-   of your accounts that uses exteraGram. Message logger tokens don't work here, and these
-   tokens don't work for the message logger.
-2. In the plugin settings, enter the panel URL and the tokens, separated by spaces.
-3. Tap *Test connection*. *Available commands* lists what the current account has.
+1. In the panel, open Settings → API Tokens and create a **Client commands** token. One token
+   covers all your accounts on the panel: each request names the account it comes from.
+   Message logger tokens don't work here, and these tokens don't work for the message
+   logger.
+2. In the plugin settings, enter the panel URL and the token.
+3. Tap *Test connection*: it lists your panel accounts signed in on this device.
+   *Available commands* lists what the current account has.
 
 Your panel user needs the `client:commands:use` permission.