feat: add dynamic autonomous DAVE presence

lib/alerts/telegram.mjs

@@ -51,6 +51,7 @@ export class TelegramAlerter {
     this._commandHandlers = {};  // Registered command callbacks
     this._messageHandler = null; // Conversational free-text callback
     this._callbackHandler = null;
+    this._activityHandler = null;
     this._pollingInterval = null;
     this._pollInProgress = false;
     this._botUsername = null;
@@ -331,6 +332,10 @@ export class TelegramAlerter {
     this._callbackHandler = handler;
   }
 
+  onActivity(handler) {
+    this._activityHandler = handler;
+  }
+
   async sendChatAction(chatId, action = 'typing') {
     if (!this.isConfigured) return false;
     try {
@@ -456,6 +461,7 @@ export class TelegramAlerter {
   }
 
   async _handleMessage(msg) {
+    try { this._activityHandler?.(msg); } catch {}
     const text = msg.text.trim();
     const parts = text.split(/\s+/);
     const rawCommand = parts[0].toLowerCase();
@@ -573,6 +579,7 @@ export class TelegramAlerter {
   }
 
   async _handleCallbackQuery(query) {
+    try { this._activityHandler?.(query.message); } catch {}
     if (!this._callbackHandler || !query?.data) return;
     const chatId = query.message?.chat?.id;
     const stopTyping = this._startTyping(chatId);