feat(ntfy): dispatch sms_delivered and sms_failed from SmsMessage

app/models/sms_message.rb

@@ -1,4 +1,6 @@
 class SmsMessage < ApplicationRecord
+  include NtfyDispatchable
+
   # Normalize metadata to always be a Hash
   attribute :metadata, :jsonb, default: {}
 
@@ -52,19 +54,24 @@ class SmsMessage < ApplicationRecord
 
   # Mark message as delivered
   def mark_delivered!
-    update!(
-      status: "delivered",
-      delivered_at: Time.current
-    )
+    update!(status: "delivered", delivered_at: Time.current)
+
+    self.class.dispatch_ntfy("sms_delivered",
+      title: "SMS delivered",
+      message: "Message to #{phone_number} (#{message_id}) was delivered",
+      priority: 2,
+      tags: ["white_check_mark"])
   end
 
   # Mark message as failed
   def mark_failed!(error_msg = nil)
-    update!(
-      status: "failed",
-      failed_at: Time.current,
-      error_message: error_msg
-    )
+    update!(status: "failed", failed_at: Time.current, error_message: error_msg)
+
+    self.class.dispatch_ntfy("sms_failed",
+      title: "SMS failed",
+      message: "Message to #{phone_number} (#{message_id}) failed#{error_msg ? ": #{error_msg}" : ''}",
+      priority: 5,
+      tags: ["x", "rotating_light"])
   end
 
   # Increment retry counter