fix: 修复API统计和OpenAI路由问题

src/routes/apiStats.js

@@ -562,8 +562,14 @@ router.post('/api/batch-stats', async (req, res) => {
           name: stats.name,
           isActive: true,
           usage: stats.usage,
-          dailyUsage: stats.dailyStats,
-          monthlyUsage: stats.monthlyStats
+          dailyUsage: {
+            ...stats.dailyStats,
+            formattedCost: CostCalculator.formatCost(stats.dailyStats.cost || 0)
+          },
+          monthlyUsage: {
+            ...stats.monthlyStats,
+            formattedCost: CostCalculator.formatCost(stats.monthlyStats.cost || 0)
+          }
         })
       }
     })

src/routes/openaiRoutes.js

@@ -153,7 +153,7 @@ router.post('/responses', authenticateApiKey, async (req, res) => {
     headers['host'] = 'chatgpt.com'
     headers['accept'] = isStream ? 'text/event-stream' : 'application/json'
     headers['content-type'] = 'application/json'
-    req.body['store'] = false
+    req.body['store'] = true
 
     // 创建代理 agent
     const proxyAgent = createProxyAgent(proxy)