Значительно изменил бд и генерацию так же добавил роли

app/services/card_roles_repository.rb

@@ -0,0 +1,71 @@
+# frozen_string_literal: true
+
+require "json"
+
+module ClashDeckGenerator2
+  module Services
+    class CardRolesRepository
+      ROLES_PATH = File.expand_path("../../config/cards/roles.json", __dir__)
+
+      def all
+        @all ||= load_roles
+      end
+
+      def cards
+        all.fetch("cards", {})
+      end
+
+      def roles_for(card_name)
+        cards.fetch(card_name, [])
+      end
+
+      def has_role?(card_name, role)
+        roles_for(card_name).include?(role)
+      end
+
+      def meta
+        all.fetch("_meta", {})
+      end
+
+      private
+
+      def load_roles
+        raise "roles.json not found: #{ROLES_PATH}" unless File.exist?(ROLES_PATH)
+
+        parsed = JSON.parse(File.read(ROLES_PATH))
+
+        unless parsed.is_a?(Hash)
+          raise "roles.json must contain a JSON object at root"
+        end
+
+        unless parsed.key?("cards")
+          raise 'roles.json must contain "cards" key'
+        end
+
+        cards = parsed["cards"]
+
+        unless cards.is_a?(Hash)
+          raise '"cards" must be a JSON object'
+        end
+
+        cards.each do |card_name, roles|
+          unless card_name.is_a?(String) && !card_name.strip.empty?
+            raise "Invalid card name in roles.json: #{card_name.inspect}"
+          end
+
+          unless roles.is_a?(Array)
+            raise "Roles for #{card_name} must be an array"
+          end
+
+          roles.each do |role|
+            unless role.is_a?(String) && !role.strip.empty?
+              raise "Invalid role for #{card_name}: #{role.inspect}"
+            end
+          end
+        end
+
+        parsed
+      end
+    end
+  end
+end