Upd: stage convert

module/config/i18n/en-US.json

@@ -1307,10 +1307,10 @@
     "Mode": {
       "name": "Mode",
       "help": "SP needs to use event daily SP to run",
-      "tc1": "tc1",
-      "tc2": "tc2",
-      "tc3": "tc3",
-      "sp": "sp",
+      "easy": "Easy",
+      "normal": "Normal",
+      "hard": "Hard",
+      "sp": "SP",
       "ex": "EX"
     },
     "Fleet": {

module/config/i18n/ja-JP.json

@@ -1307,9 +1307,9 @@
     "Mode": {
       "name": "Coalition.Mode.name",
       "help": "Coalition.Mode.help",
-      "tc1": "tc1",
-      "tc2": "tc2",
-      "tc3": "tc3",
+      "easy": "easy",
+      "normal": "normal",
+      "hard": "hard",
       "sp": "sp",
       "ex": "ex"
     },

module/config/i18n/zh-CN.json

@@ -1307,10 +1307,10 @@
     "Mode": {
       "name": "难度",
       "help": "SP图需要使用活动每日SP运行",
-      "tc1": "tc1",
-      "tc2": "tc2",
-      "tc3": "tc3",
-      "sp": "sp",
+      "easy": "简单",
+      "normal": "普通",
+      "hard": "困难",
+      "sp": "SP",
       "ex": "EX"
     },
     "Fleet": {

module/config/i18n/zh-TW.json

@@ -1307,9 +1307,9 @@
     "Mode": {
       "name": "難度",
       "help": "SP圖需要使用活動每日SP運行",
-      "tc1": "tc1",
-      "tc2": "tc2",
-      "tc3": "tc3",
+      "easy": "簡單",
+      "normal": "普通",
+      "hard": "困難",
       "sp": "sp",
       "ex": "EX"
     },