feat/1009, sending reason in X-Reason header when AHD processor giveup (

#1014)

* feat/1009, sending reason in X-Reason header when AHD processor giveup is executed

* fixed jslint error

* added an alert

lib/session/call-session.js

@@ -572,7 +572,18 @@ class CallSession extends Emitter {
         this._actionHookDelayProcessor = new ActionHookDelayProcessor(this.logger, opts, this, this.ep);
         this._actionHookDelayProcessor.on('giveup', () => {
           this.logger.info('CallSession: ActionHookDelayProcessor: giveup event - hanging up call');
-          this._jambonzHangup();
+          const {writeAlerts} = this.srf.locals;
+          try {
+            writeAlerts({
+              alert_type: 'bot-action-delay-giveup',
+              account_sid: this.accountSid,
+              message: 'Call terminated due to bot action delay timeout',
+              target_sid: this.callSid
+            });
+          } catch (err) {
+            this.logger.error({err}, 'Error writing bot-action-delay-giveup alert');
+          }
+          this._jambonzHangup('bot-action-delay-giveup');
           if (this.wakeupResolver) {
             this.logger.debug('CallSession: Giveup timer expired - waking up');
             this.wakeupResolver({reason: 'noResponseGiveUp'});