refactor: switch to key-based i18n for choices, revert inline textEn approach

public/scenes/demo.json

@@ -44,7 +44,6 @@
       "choices": [
         {
           "text": "走向左边那扇发光的门",
-          "textEn": "Walk towards the glowing door on the left",
           "textKey": "scene.intro.choice.left_door",
           "targetScene": "left_door",
           "effects": [
@@ -53,7 +52,6 @@
         },
         {
           "text": "走向右边那扇普通的门",
-          "textEn": "Walk towards the plain door on the right",
           "textKey": "scene.intro.choice.right_door",
           "targetScene": "right_door",
           "effects": [
@@ -62,13 +60,11 @@
         },
         {
           "text": "仔细搜索房间",
-          "textEn": "Search the room carefully",
           "textKey": "scene.intro.choice.search",
           "targetScene": "investigation_site"
         },
         {
           "text": "留在原地，什么也不做",
-          "textEn": "Stay where you are, do nothing",
           "textKey": "scene.intro.choice.stay",
           "targetScene": "stay"
         }
@@ -111,7 +107,6 @@
         }
       ],
       "choices": [
-        { "text": "离开房间", "textEn": "Leave the room", "targetScene": "corridor" }
       ]
     },
     "corridor": {
@@ -151,7 +146,6 @@
       "choices": [
         {
           "text": "与陌生人握手",
-          "textEn": "Shake hands with the stranger",
           "targetScene": "trust_ending",
           "effects": [
             { "type": "add", "target": "trust", "value": 30 }
@@ -159,7 +153,6 @@
         },
         {
           "text": "拒绝握手，保持警惕",
-          "textEn": "Refuse to shake hands, stay alert",
           "targetScene": "alone_ending"
         }
       ]
@@ -191,12 +184,10 @@
       "choices": [
         {
           "text": "继续前进",
-          "textEn": "Continue forward",
           "targetScene": "continue_ending"
         },
         {
           "text": "回头",
-          "textEn": "Turn back",
           "targetScene": "intro"
         }
       ]
@@ -207,12 +198,10 @@
       "choices": [
         {
           "text": "继续前进",
-          "textEn": "Continue forward",
           "targetScene": "continue_ending"
         },
         {
           "text": "回头",
-          "textEn": "Turn back",
           "targetScene": "intro"
         }
       ]
@@ -223,12 +212,10 @@
       "choices": [
         {
           "text": "返回调查现场",
-          "textEn": "Return to the investigation scene",
           "targetScene": "investigation_site"
         },
         {
           "text": "离开",
-          "textEn": "Leave",
           "targetScene": "corridor"
         }
       ]
@@ -243,7 +230,6 @@
       "loopStart": 3.0,
       "loopEnd": 6.0,
       "choices": [
-        { "text": "站起来离开", "textEn": "Stand up and leave", "targetScene": "alone_ending" }
       ]
     },
     "trust_ending": {
@@ -252,7 +238,6 @@
       "choices": [
         {
           "text": "开启信任的旅程（需要 trust >= 80）",
-          "textEn": "Embark on a journey of trust (requires trust >= 80)",
           "targetScene": "secret_ending",
           "conditions": [
             { "variable": "trust", "op": ">=", "value": 80 }
@@ -260,7 +245,6 @@
         },
         {
           "text": "离开这里",
-          "textEn": "Leave this place",
           "targetScene": "alone_ending"
         }
       ]