feat: Add support for account abuse detection (#11001)

This PR adds service to automate account abuse detection. Currently
based on the signup name and URL, could potentially add more context
such as usage analysis, message metadata etc.

enterprise/app/services/captain/llm/assistant_chat_service.rb

@@ -1,6 +1,6 @@
 require 'openai'
 
-class Captain::Llm::AssistantChatService < Captain::Llm::BaseOpenAiService
+class Captain::Llm::AssistantChatService < Llm::BaseOpenAiService
   include Captain::ChatHelper
 
   def initialize(assistant: nil)

enterprise/app/services/captain/llm/base_open_ai_service.rb

@@ -1,20 +0,0 @@
-class Captain::Llm::BaseOpenAiService
-  DEFAULT_MODEL = 'gpt-4o-mini'.freeze
-
-  def initialize
-    @client = OpenAI::Client.new(
-      access_token: InstallationConfig.find_by!(name: 'CAPTAIN_OPEN_AI_API_KEY').value,
-      log_errors: Rails.env.development?
-    )
-    setup_model
-  rescue StandardError => e
-    raise "Failed to initialize OpenAI client: #{e.message}"
-  end
-
-  private
-
-  def setup_model
-    config_value = InstallationConfig.find_by(name: 'CAPTAIN_OPEN_AI_MODEL')&.value
-    @model = (config_value.presence || DEFAULT_MODEL)
-  end
-end

enterprise/app/services/captain/llm/contact_attributes_service.rb

@@ -1,4 +1,4 @@
-class Captain::Llm::ContactAttributesService < Captain::Llm::BaseOpenAiService
+class Captain::Llm::ContactAttributesService < Llm::BaseOpenAiService
   def initialize(assistant, conversation)
     super()
     @assistant = assistant

enterprise/app/services/captain/llm/contact_notes_service.rb

@@ -1,4 +1,4 @@
-class Captain::Llm::ContactNotesService < Captain::Llm::BaseOpenAiService
+class Captain::Llm::ContactNotesService < Llm::BaseOpenAiService
   def initialize(assistant, conversation)
     super()
     @assistant = assistant

enterprise/app/services/captain/llm/conversation_faq_service.rb

@@ -1,4 +1,4 @@
-class Captain::Llm::ConversationFaqService < Captain::Llm::BaseOpenAiService
+class Captain::Llm::ConversationFaqService < Llm::BaseOpenAiService
   DISTANCE_THRESHOLD = 0.3
 
   def initialize(assistant, conversation)

enterprise/app/services/captain/llm/embedding_service.rb

@@ -1,6 +1,6 @@
 require 'openai'
 
-class Captain::Llm::EmbeddingService < Captain::Llm::BaseOpenAiService
+class Captain::Llm::EmbeddingService < Llm::BaseOpenAiService
   class EmbeddingsError < StandardError; end
 
   DEFAULT_MODEL = 'text-embedding-3-small'.freeze

enterprise/app/services/captain/llm/faq_generator_service.rb

@@ -1,4 +1,4 @@
-class Captain::Llm::FaqGeneratorService < Captain::Llm::BaseOpenAiService
+class Captain::Llm::FaqGeneratorService < Llm::BaseOpenAiService
   def initialize(content)
     super()
     @content = content