PAUSED: Use git resume to continue working.

app/models/authenticator/base.rb

@@ -2,6 +2,11 @@ module Authenticator
   class Base
     include Vmdb::Logging
 
+    # Simulate being a STI table class for proper descendant class loading
+    def self.inheritance_column
+      "type"
+    end
+
     def self.validate_config(_config)
       []
     end

config/initializers/zeitwerk.rb

@@ -10,15 +10,25 @@
 Rails.autoloaders.main.collapse(Rails.root.join("lib/ansible/runner/credential"))
 Rails.autoloaders.main.collapse(Rails.root.join("lib/pdf_generator"))
 
+excluded_from_eager_load = %w[
+  ApplicationRecord
+  MiqDecorator
+  OrchestrationStack::Status
+  ResourcePool
+]
+
 DescendantLoader.instance.discovered_parent_child_classes.each do |parent, children|
+  next if excluded_from_eager_load.include?(parent)
+
   puts "Registering on_load for class: #{parent}"
   Rails.autoloaders.main.on_load(parent.to_s) do |klass, _abspath|
     puts "Running on_load for class: #{klass} with children: #{children}"
     children.each do |child|
       begin
         child.safe_constantize
-      rescue NameError
-        puts "!!! FAILED to load #{child} for parent: #{klass}"
+      rescue NameError => err
+        puts "!!! FAILED to load #{child} for parent: #{klass} with inheritance column: #{klass.try(:inheritance_column)} reason: #{err}. Error class: #{err.class.name}"
+        raise
       end
     end
   end

lib/acts_as_ar_model.rb

@@ -26,6 +26,11 @@ def self.includes_to_references(_inc)
     []
   end
 
+  # Simulate being a STI table class for proper descendant class loading
+  def self.inheritance_column
+    "type"
+  end
+
   class << self; alias_method :base_model, :base_class; end
 
   #