fix(history): 创建时间 UTC→北京时间(+8); 标的列加宽(100→130)治折行 [nas]

frontend/src/views/backtest/History.vue

@@ -158,7 +158,7 @@ function statusLabel(s: string): string {
           <template #default="{ row }"><span class="chip" :class="`chip-${row.type}`">{{ typeLabel(row.type) }}</span></template>
         </el-table-column>
         <el-table-column prop="strategy" label="策略 / 因子" min-width="130" show-overflow-tooltip />
-        <el-table-column prop="symbol" label="标的" width="100" />
+        <el-table-column prop="symbol" label="标的" width="130" />
         <el-table-column label="状态" width="88">
           <template #default="{ row }"><span class="chip" :class="`st-${row.status}`">{{ statusLabel(row.status) }}</span></template>
         </el-table-column>

sanguo_api/routes.py

@@ -322,6 +322,18 @@ def factor_report(task_id: str, factor: str, token: str = Query(...)):
 
 # ===== History + Optimization endpoints (S3) =====
 
+def _to_bj(ts: str | None) -> str:
+    """SQLite CURRENT_TIMESTAMP 存的是 UTC → 转北京时间(+8)显示。"""
+    if not ts:
+        return ""
+    try:
+        from datetime import datetime, timedelta
+        dt = datetime.strptime(ts, "%Y-%m-%d %H:%M:%S")
+        return (dt + timedelta(hours=8)).strftime("%Y-%m-%d %H:%M:%S")
+    except (ValueError, TypeError):
+        return ts
+
+
 @router.get("/task", dependencies=[Depends(verify_token)])
 def list_tasks(type: str | None = None, status: str | None = None):
     """List tasks: 内存中 running/pending + DB done/failed(历史)。
@@ -377,7 +389,7 @@ def list_tasks(type: str | None = None, status: str | None = None):
             "symbol": r.symbol,
             "start": r.start,
             "end": r.end,
-            "created_at": r.created_at,
+            "created_at": _to_bj(r.created_at),
         })
 
     active.reverse()      # 最新提交的 running 在最上