Restructure omni services and add Chatwoot research snapshot

research/chatwoot/lib/llm/config.rb

@@ -0,0 +1,49 @@
+require 'ruby_llm'
+
+module Llm::Config
+  DEFAULT_MODEL = 'gpt-4.1-mini'.freeze
+
+  class << self
+    def initialized?
+      @initialized ||= false
+    end
+
+    def initialize!
+      return if @initialized
+
+      configure_ruby_llm
+      @initialized = true
+    end
+
+    def reset!
+      @initialized = false
+    end
+
+    def with_api_key(api_key, api_base: nil)
+      context = RubyLLM.context do |config|
+        config.openai_api_key = api_key
+        config.openai_api_base = api_base
+      end
+
+      yield context
+    end
+
+    private
+
+    def configure_ruby_llm
+      RubyLLM.configure do |config|
+        config.openai_api_key = system_api_key if system_api_key.present?
+        config.openai_api_base = openai_endpoint.chomp('/') if openai_endpoint.present?
+        config.logger = Rails.logger
+      end
+    end
+
+    def system_api_key
+      InstallationConfig.find_by(name: 'CAPTAIN_OPEN_AI_API_KEY')&.value
+    end
+
+    def openai_endpoint
+      InstallationConfig.find_by(name: 'CAPTAIN_OPEN_AI_ENDPOINT')&.value
+    end
+  end
+end

research/chatwoot/lib/llm/models.rb

@@ -0,0 +1,41 @@
+module Llm::Models
+  CONFIG = YAML.load_file(Rails.root.join('config/llm.yml')).freeze
+
+  class << self
+    def providers = CONFIG['providers']
+    def models = CONFIG['models']
+    def features = CONFIG['features']
+    def feature_keys = CONFIG['features'].keys
+
+    def default_model_for(feature)
+      CONFIG.dig('features', feature.to_s, 'default')
+    end
+
+    def models_for(feature)
+      CONFIG.dig('features', feature.to_s, 'models') || []
+    end
+
+    def valid_model_for?(feature, model_name)
+      models_for(feature).include?(model_name.to_s)
+    end
+
+    def feature_config(feature_key)
+      feature = features[feature_key.to_s]
+      return nil unless feature
+
+      {
+        models: feature['models'].map do |model_name|
+          model = models[model_name]
+          {
+            id: model_name,
+            display_name: model['display_name'],
+            provider: model['provider'],
+            coming_soon: model['coming_soon'],
+            credit_multiplier: model['credit_multiplier']
+          }
+        end,
+        default: feature['default']
+      }
+    end
+  end
+end