Fix ActiveRecord dependency check for Zeitwerk eager loading

.github/workflows/_test-matrix.yml

@@ -52,6 +52,9 @@ jobs:
           bundle install
           bundle exec appraisal ${{ matrix.rails-version }} bundle install
 
+      - name: Run eager-load guard (appraisal)
+        run: bundle exec appraisal ${{ matrix.rails-version }} ruby -e "require 'ruby_llm'; Zeitwerk::Loader.eager_load_all"
+
       - name: Run tests
         if: matrix.ruby-version != '4.0' || matrix.rails-version != 'rails-8.1'
         run: bundle exec appraisal ${{ matrix.rails-version }} bin/rspec-queue

lib/ruby_llm.rb

@@ -33,6 +33,7 @@
 )
 loader.ignore("#{__dir__}/tasks")
 loader.ignore("#{__dir__}/generators")
+loader.ignore("#{__dir__}/ruby_llm/active_record")
 loader.ignore("#{__dir__}/ruby_llm/railtie.rb")
 loader.setup
 
@@ -107,7 +108,4 @@ def logger
 RubyLLM::Provider.register :vertexai, RubyLLM::Providers::VertexAI
 RubyLLM::Provider.register :xai, RubyLLM::Providers::XAI
 
-if defined?(Rails::Railtie)
-  require 'ruby_llm/railtie'
-  require 'ruby_llm/active_record/acts_as'
-end
+require 'ruby_llm/railtie' if defined?(Rails::Railtie)

lib/ruby_llm/active_record/acts_as.rb

@@ -1,5 +1,8 @@
 # frozen_string_literal: true
 
+require 'active_support/concern'
+require 'active_support/inflector'
+
 module RubyLLM
   module ActiveRecord
     # Adds chat and message persistence capabilities to ActiveRecord models.

lib/ruby_llm/active_record/acts_as_legacy.rb

@@ -1,5 +1,8 @@
 # frozen_string_literal: true
 
+require 'active_support/concern'
+require 'active_support/inflector'
+
 module RubyLLM
   module ActiveRecord
     # Adds chat and message persistence capabilities to ActiveRecord models.

lib/ruby_llm/active_record/chat_methods.rb

@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'active_support/concern'
+
 module RubyLLM
   module ActiveRecord
     # Methods mixed into chat models.

lib/ruby_llm/active_record/message_methods.rb

@@ -1,5 +1,8 @@
 # frozen_string_literal: true
 
+require 'active_support/concern'
+require 'ruby_llm/active_record/payload_helpers'
+
 module RubyLLM
   module ActiveRecord
     # Methods mixed into message models.

lib/ruby_llm/active_record/model_methods.rb

@@ -1,5 +1,8 @@
 # frozen_string_literal: true
 
+require 'active_support/concern'
+require 'active_support/core_ext/module/delegation'
+
 module RubyLLM
   module ActiveRecord
     # Methods mixed into model registry models.

lib/ruby_llm/active_record/payload_helpers.rb

@@ -1,5 +1,8 @@
 # frozen_string_literal: true
 
+require 'active_support/core_ext/object/blank'
+require 'json'
+
 module RubyLLM
   module ActiveRecord
     # Shared helpers for parsing serialized payloads on ActiveRecord-backed models.

lib/ruby_llm/active_record/tool_call_methods.rb

@@ -1,5 +1,8 @@
 # frozen_string_literal: true
 
+require 'active_support/concern'
+require 'ruby_llm/active_record/payload_helpers'
+
 module RubyLLM
   module ActiveRecord
     # Methods mixed into tool call models.

lib/ruby_llm/railtie.rb

@@ -12,6 +12,12 @@ class Railtie < Rails::Railtie
 
       initializer 'ruby_llm.active_record' do
         ActiveSupport.on_load :active_record do
+          require 'ruby_llm/active_record/payload_helpers'
+          require 'ruby_llm/active_record/chat_methods'
+          require 'ruby_llm/active_record/message_methods'
+          require 'ruby_llm/active_record/model_methods'
+          require 'ruby_llm/active_record/tool_call_methods'
+
           if RubyLLM.config.use_new_acts_as
             require 'ruby_llm/active_record/acts_as'
             ::ActiveRecord::Base.include RubyLLM::ActiveRecord::ActsAs

spec/ruby_llm/active_record_tool_error_helpers_spec.rb

@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
+require 'ruby_llm/active_record/message_methods'
+require 'ruby_llm/active_record/tool_call_methods'
 
 RSpec.describe RubyLLM::ActiveRecord do
   describe RubyLLM::ActiveRecord::MessageMethods do