add game_name columns for artifact skill matching

separate game names (used for import matching) from display names

app/models/artifact_skill.rb

@@ -28,12 +28,15 @@ class ArtifactSkill < ApplicationRecord
       @cached_skills ||= all.index_by { |s| [s.skill_group, s.modifier] }
     end
 
-    def cached_by_name
-      @name_cache ||= begin
+    def cached_by_game_name
+      @game_name_cache ||= begin
         cache = {}
         all.each do |skill|
-          cache[skill.name_en] = skill
-          cache[skill.name_jp] = skill
+          # Use game names for matching, fall back to display names if not set
+          en_key = skill.game_name_en.presence || skill.name_en
+          jp_key = skill.game_name_jp.presence || skill.name_jp
+          cache[en_key] = skill
+          cache[jp_key] = skill
         end
         cache
       end
@@ -50,13 +53,13 @@ class ArtifactSkill < ApplicationRecord
       cached_skills[[group_key, modifier]]
     end
 
-    def find_by_name(name)
-      cached_by_name[name]
+    def find_by_game_name(name)
+      cached_by_game_name[name]
     end
 
     def clear_cache!
       @cached_skills = nil
-      @name_cache = nil
+      @game_name_cache = nil
     end
   end
 

app/services/artifact_import_service.rb

@@ -183,8 +183,8 @@ class ArtifactImportService
     quality = info['skill_quality'] || info['level'] || 1
     level = info['level'] || 1
 
-    # Look up skill by name (supports both EN and JP)
-    skill = ArtifactSkill.find_by_name(name)
+    # Look up skill by game name (supports both EN and JP)
+    skill = ArtifactSkill.find_by_game_name(name)
     return {} unless skill
 
     {

db/migrate/20251219064037_add_game_names_to_artifact_skills.rb

@@ -0,0 +1,8 @@
+class AddGameNamesToArtifactSkills < ActiveRecord::Migration[8.0]
+  def change
+    add_column :artifact_skills, :game_name_en, :string
+    add_column :artifact_skills, :game_name_jp, :string
+    add_index :artifact_skills, :game_name_en
+    add_index :artifact_skills, :game_name_jp
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2025_12_19_062316) do
+ActiveRecord::Schema[8.0].define(version: 2025_12_19_064037) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "btree_gin"
   enable_extension "pg_catalog.plpgsql"
@@ -33,6 +33,10 @@ ActiveRecord::Schema[8.0].define(version: 2025_12_19_062316) do
     t.string "suffix_en", default: ""
     t.string "suffix_jp", default: ""
     t.string "polarity", default: "positive", null: false
+    t.string "game_name_en"
+    t.string "game_name_jp"
+    t.index ["game_name_en"], name: "index_artifact_skills_on_game_name_en"
+    t.index ["game_name_jp"], name: "index_artifact_skills_on_game_name_jp"
     t.index ["skill_group", "modifier"], name: "index_artifact_skills_on_skill_group_and_modifier", unique: true
     t.index ["skill_group"], name: "index_artifact_skills_on_skill_group"
   end