feat: i18n for choice prompt via promptKey, with fallback

public/demo/locales/en.json

@@ -11,6 +11,9 @@
     "choice": {
       "handshake": "Shake hands with the stranger",
       "reject": "Refuse to shake, stay alert"
+    },
+    "prompt": {
+      "handshake": "The stranger will remember your kindness"
     }
   },
   "right_door": {
@@ -26,6 +29,9 @@
     "choice": {
       "journey": "Embark on a journey of trust (requires trust >= 80)",
       "leave": "Leave this place"
+    },
+    "prompt": {
+      "journey": "Your bond will change everything"
     }
   },
   "investigation_site": {

public/demo/locales/ja.json

@@ -11,6 +11,9 @@
     "choice": {
       "handshake": "見知らぬ人と握手する",
       "reject": "握手を断り、警戒を続ける"
+    },
+    "prompt": {
+      "handshake": "見知らぬ人はあなたの優しさを覚えている"
     }
   },
   "right_door": {
@@ -26,6 +29,9 @@
     "choice": {
       "journey": "信頼の旅に出る（trust >= 80 が必要）",
       "leave": "ここを去る"
+    },
+    "prompt": {
+      "journey": "あなたの絆が全てを変える"
     }
   },
   "investigation_site": {

public/demo/locales/zh.json

@@ -11,6 +11,9 @@
     "choice": {
       "handshake": "与陌生人握手",
       "reject": "拒绝握手，保持警惕"
+    },
+    "prompt": {
+      "handshake": "陌生人会记住你的善意"
     }
   },
   "right_door": {
@@ -26,6 +29,9 @@
     "choice": {
       "journey": "开启信任的旅程（需要 trust >= 80）",
       "leave": "离开这里"
+    },
+    "prompt": {
+      "journey": "你们的羁绊将改变一切"
     }
   },
   "investigation_site": {