[Blazer] Configure email notifications to go to hcb-engr@

app/mailers/application_mailer.rb

@@ -5,6 +5,8 @@ class ApplicationMailer < ActionMailer::Base
 
   OPERATIONS_EMAIL = "hcb@hackclub.com"
 
+  ENGINEERING_EMAIL = "hcb-engr@hackclub.com"
+
   DOMAIN = Rails.env.production? ? "hackclub.com" : "staging.hcb.hackclub.com"
   default from: "HCB <hcb@#{DOMAIN}>"
   layout "mailer/default"

config/blazer.yml

@@ -79,7 +79,8 @@ user_method: blazer_current_user
 # before_action_method: require_admin
 
 # email to send checks from
-from_email: hcb@hackclub.com
+# Bounces and auto-replies land back here, so keep it off Intercom.
+from_email: hcb-engr@hackclub.com
 
 # webhook for Slack
 # slack_webhook_url: <%= ENV["BLAZER_SLACK_WEBHOOK_URL"] %>

config/initializers/blazer.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+Rails.application.config.to_prepare do
+  Blazer::Check.class_eval do
+    after_initialize do
+      self.emails = ApplicationMailer::ENGINEERING_EMAIL if new_record? && emails.blank?
+    end
+  end
+end

db/migrate/20260808175000_point_blazer_checks_at_engineering.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+# Existing checks still notify hcb@, which lands in Intercom.
+# Migrate all checks that use operations email to use engr email.
+
+class PointBlazerChecksAtEngineering < ActiveRecord::Migration[8.1]
+  OPERATIONS_EMAIL = "hcb@hackclub.com"
+  ENGINEERING_EMAIL = "hcb-engr@hackclub.com"
+
+  def up
+    Blazer::Check.where("emails ILIKE ?", "%#{OPERATIONS_EMAIL}%").find_each do |check|
+      recipients = check.emails.to_s.split(",").map { |email| email.strip.downcase }
+      rewritten = recipients.map { |email| email == OPERATIONS_EMAIL ? ENGINEERING_EMAIL : email }.uniq
+      next if rewritten == recipients
+
+      check.update_columns(emails: rewritten.join(", "))
+    end
+  end
+
+  def down
+  end
+
+end

db/schema.rb

@@ -12,7 +12,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.1].define(version: 2026_08_05_120000) do
+ActiveRecord::Schema[8.1].define(version: 2026_08_08_175000) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "citext"
   enable_extension "pg_catalog.plpgsql"