telegram bot user isolation, config store, user context channels

src/main.rs

@@ -164,12 +164,9 @@ pub async fn run_backend() -> Result<Backend> {
 
 /// Build the plugin list. Extracted so both entry points share the same set.
 fn build_plugins() -> Vec<Arc<dyn Plugin>> {
-    // NOTE (multi-user slice): telegram-bot, mobile-connector and honcho are
-    // single-user / global-ChatEventBus-subscriber plugins. They assume one user
-    // and cannot work under per-user isolation yet, so they are dropped from the
-    // build until they become multi-user-aware. See blueprint §17 and the plan.
     let mut plugins: Vec<Arc<dyn Plugin>> = vec![
         Arc::new(plugin_tailscale_remote::RemotePlugin::new()),
+        Arc::new(plugin_telegram_bot::TelegramPlugin::new()),
         Arc::new(plugin_comfyui::ComfyUIPlugin::new()),
         Arc::new(plugin_tts_orpheus_3b::OrpheusTtsPlugin::new()),
         Arc::new(plugin_tts_kokoro::KokoroTtsPlugin::new()),