make nix module

CLAUDE.md

@@ -1,4 +1,4 @@
-# Telegram Bot
+# Task Force Beta Bot
 
 General-purpose Telegram bot with modular handler architecture.
 
@@ -11,12 +11,29 @@ cargo run
 
 ## Configuration
 
-Bot token must be placed at: `/var/trust/instagram_link_stripper/telegram_token`
+Command-line arguments:
+1. Token path (default: `/var/trust/task_force_beta_bot/telegram_token`)
+2. Allowed chats path (default: `/var/trust/task_force_beta_bot/allowed_chats`)
+
+```bash
+cargo run -- /path/to/token /path/to/allowed_chats
+```
+
+### Allowed Chats File
+
+One chat ID per line. Lines starting with `#` are comments.
+
+```
+# My group
+-100123456789
+```
+
+The bot ignores messages from chats not in this list.
 
 ## Architecture
 
 - `src/main.rs` - Entry point, dispatcher setup
-- `src/config.rs` - Token loading from /var/trust/
+- `src/config.rs` - Token and allowed chats loading from /var/trust/
 - `src/handlers/` - Message handlers (modular, each feature in own file)
 - `src/utils/` - Shared utilities