Fix date normalization and add debug logs for missing last trading day issue

src/lib/dataService.js

@@ -178,15 +178,37 @@ class DataService {
       // 构建完整时间序列
       const seq = allDecisions
         .filter(r => r.agent_name === row.agent_name && r.asset === row.asset && r.model === row.model)
-        .sort((a, b) => (a.date > b.date ? 1 : -1))
+        .map(r => ({ ...r, dateNormalized: typeof r.date === 'string' ? r.date.split('T')[0] : r.date }))
+        .sort((a, b) => {
+          // 确保日期格式一致后再排序
+          const dateA = a.dateNormalized || a.date
+          const dateB = b.dateNormalized || b.date
+          return dateA > dateB ? 1 : (dateA < dateB ? -1 : 0)
+        })
 
       const isCrypto = row.asset === 'BTC' || row.asset === 'ETH'
       const seqFiltered = isCrypto ? seq : (await filterRowsToNyseTradingDays(seq))
 
-      // 计算日期范围
-      const dates = seqFiltered.map(s => s.date).filter(Boolean).sort()
+      // 计算日期范围 - 使用标准化后的日期
+      const dates = seqFiltered
+        .map(s => {
+          const dateStr = s.dateNormalized || (typeof s.date === 'string' ? s.date.split('T')[0] : s.date)
+          return dateStr
+        })
+        .filter(Boolean)
+        .sort()
       const start_date = dates[0] || '-'
       const end_date = dates[dates.length - 1] || '-'
+      
+      // Debug: 检查原始序列和过滤后的序列的日期范围
+      if (seq.length > 0 && seqFiltered.length > 0) {
+        const originalDates = seq.map(r => r.dateNormalized || (typeof r.date === 'string' ? r.date.split('T')[0] : r.date)).filter(Boolean).sort()
+        const lastOriginal = originalDates[originalDates.length - 1]
+        const lastFiltered = dates[dates.length - 1]
+        if (lastOriginal !== lastFiltered && !isCrypto) {
+          console.warn(`[DataService] Date mismatch for ${row.agent_name}|${row.asset}|${row.model}: Original last date: ${lastOriginal}, Filtered last date: ${lastFiltered}`)
+        }
+      }
 
       let closed_days = 0
       if (dates.length > 1) {