Fix agent end_date: query DB for latest date per agent to ensure accuracy

src/lib/dataService.js

@@ -323,7 +323,7 @@ class DataService {
         .sort()
       const start_date = dates[0] || '-'
       
-      // 使用 seqFiltered 的最后一条记录的日期作为 end_date，确保是实际数据的最后一天
+      // 计算 end_date：先从已获取的数据计算，然后查询数据库获取该 agent 的最新日期
       let end_date = '-'
       if (seqFiltered.length > 0) {
         const lastRow = seqFiltered[seqFiltered.length - 1]
@@ -332,6 +332,31 @@ class DataService {
         end_date = dates[dates.length - 1]
       }
       
+      // 查询数据库获取该 agent 的最新日期，确保 end_date 是最新的
+      try {
+        const { data: agentMaxDateData, error: agentMaxDateError } = await supabase
+          .from('trading_decisions')
+          .select('date')
+          .eq('agent_name', row.agent_name)
+          .eq('asset', row.asset)
+          .eq('model', row.model)
+          .order('date', { ascending: false })
+          .limit(1)
+        
+        if (!agentMaxDateError && agentMaxDateData && agentMaxDateData.length > 0) {
+          const dbAgentMaxDate = agentMaxDateData[0].date
+          const dbAgentMaxDateStr = typeof dbAgentMaxDate === 'string' ? dbAgentMaxDate.split('T')[0] : dbAgentMaxDate
+          
+          // 如果数据库中的日期更新，使用数据库的日期
+          if (dbAgentMaxDateStr && (!end_date || end_date === '-' || dbAgentMaxDateStr > end_date)) {
+            console.log(`[DataService] STEP3.5 - ${row.agent_name}|${row.asset}|${row.model}: DB has newer date ${dbAgentMaxDateStr} than calculated ${end_date}, using DB date`)
+            end_date = dbAgentMaxDateStr
+          }
+        }
+      } catch (e) {
+        console.error(`[DataService] Error querying DB for agent max date:`, e)
+      }
+      
       console.log(`[DataService] STEP3 - ${row.agent_name}|${row.asset}|${row.model}: Final end_date = ${end_date}, dates array length = ${dates.length}, seqFiltered length = ${seqFiltered.length}`)
       if (seqFiltered.length > 0) {
         const lastRowDate = seqFiltered[seqFiltered.length - 1].dateNormalized || (typeof seqFiltered[seqFiltered.length - 1].date === 'string' ? seqFiltered[seqFiltered.length - 1].date.split('T')[0] : seqFiltered[seqFiltered.length - 1].date)