修复代练大区标签和机器ID显示问题

主要修复：
- 修复代练大区标签显示，现在使用 regionDesc 而不是原始 region 值
- 将 .bottom-status 替换为真正的机器ID显示
- 在 usePlayState 中添加对 regionDesc 和 machineId 字段的支持
- 更新 GamePage 组件的 props 和模板以正确显示这些信息

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/composables/usePlayState.js

@@ -21,6 +21,7 @@ export function usePlayState() {
     submitting: false,
     needRefresh: false,
     region: null,
+    regionDesc: null,
     qrInfo: null,
     assets: null,
     currentPoints: 0,
@@ -33,7 +34,8 @@ export function usePlayState() {
     maxQrRetries: 3,
     qrRetryDelay: 2000,
     qrError: null,
-    mecmachineId: null
+    mecmachineId: null,
+    machineId: null
   })
 
   const initializePage = async () => {
@@ -110,10 +112,18 @@ export function usePlayState() {
         console.log('gameData.region 为空，未更新 state.region')
       }
       
+      if (gameData.regionDesc) {
+        state.regionDesc = gameData.regionDesc
+      }
+      
       if (gameData.mecmachineId) {
         state.mecmachineId = gameData.mecmachineId
       }
       
+      if (gameData.machineId) {
+        state.machineId = gameData.machineId
+      }
+      
       if (gameData.totalPoints) {
         state.totalPoints = gameData.totalPoints
       } else if (gameData.assets && gameData.assets.totalPoints) {
@@ -148,6 +158,23 @@ export function usePlayState() {
       
       state.status = 'COMPLETED'
       
+      // 更新区域和机器信息
+      if (gameData.region) {
+        state.region = gameData.region
+      }
+      
+      if (gameData.regionDesc) {
+        state.regionDesc = gameData.regionDesc
+      }
+      
+      if (gameData.mecmachineId) {
+        state.mecmachineId = gameData.mecmachineId
+      }
+      
+      if (gameData.machineId) {
+        state.machineId = gameData.machineId
+      }
+      
       state.assets = {
         homepageUrl: gameData.homepageUrl,
         firstRewardUrl: gameData.firstRewardUrl,
@@ -189,8 +216,10 @@ export function usePlayState() {
     state.status = data.status
     state.needRefresh = data.needRefresh || false
     state.region = data.region
+    state.regionDesc = data.regionDesc || null
     state.assets = data.assets
     state.mecmachineId = data.mecmachineId || null
+    state.machineId = data.machineId || null
     
     if (data.totalPoints) {
       state.totalPoints = data.totalPoints