fix(telegram): wire delete action for message tool (#903) - thanks @sleontenko

Co-authored-by: Stan <sleontenko@users.noreply.github.com>

docs/channels/telegram.md

@@ -262,8 +262,9 @@ Outbound Telegram API calls retry on transient network/429 errors with exponenti
 ## Agent tool (messages + reactions)
 - Tool: `telegram` with `sendMessage` action (`to`, `content`, optional `mediaUrl`, `replyToMessageId`, `messageThreadId`).
 - Tool: `telegram` with `react` action (`chatId`, `messageId`, `emoji`).
+- Tool: `telegram` with `deleteMessage` action (`chatId`, `messageId`).
 - Reaction removal semantics: see [/tools/reactions](/tools/reactions).
-- Tool gating: `channels.telegram.actions.reactions` and `channels.telegram.actions.sendMessage` (default: enabled).
+- Tool gating: `channels.telegram.actions.reactions`, `channels.telegram.actions.sendMessage`, `channels.telegram.actions.deleteMessage` (default: enabled).
 
 ## Delivery targets (CLI/cron)
 - Use a chat id (`123456789`) or a username (`@name`) as the target.
@@ -322,6 +323,7 @@ Provider options:
 - `channels.telegram.webhookPath`: local webhook path (default `/telegram-webhook`).
 - `channels.telegram.actions.reactions`: gate Telegram tool reactions.
 - `channels.telegram.actions.sendMessage`: gate Telegram tool message sends.
+- `channels.telegram.actions.deleteMessage`: gate Telegram tool message deletes.
 
 Related global options:
 - `agents.list[].groupChat.mentionPatterns` (mention gating patterns).

docs/cli/message.md

@@ -81,7 +81,7 @@ Target formats (`--to`):
   - Optional: `--channel-id`
 
 - `delete`
-  - Channels: Discord/Slack
+  - Channels: Discord/Slack/Telegram
   - Required: `--message-id`, `--to` or `--channel-id`
   - Optional: `--channel-id`