地点库增加是否有图片列，修复批量导入图片时新增类型无法复用

internal/stats/stats.go

@@ -639,6 +639,9 @@ type Place struct {
 	TopIcon      string
 	IsHome       bool
 	IsWork       bool
+	// HasImage 报告该地点有没有上传过图片（地点库列表的那一列）。
+	// 走 place_images 的 (dataset_id, src_pk) 索引，不必把图片行取回来。
+	HasImage bool
 	// SrcPK 是 rond 内部的地点 ID，跨数据集快照稳定，用于挂备注与别名
 	SrcPK int
 	// Alias / Note 来自 place_notes：别名对外替代原名显示，备注仅站长可见
@@ -662,7 +665,8 @@ const placeCols = `p.id, COALESCE(p.name,''), COALESCE(p.poi_category,''), COALE
 		WHERE v2.place_id=p.id GROUP BY a.icon ORDER BY count(*) DESC LIMIT 1),''),
 	EXISTS (SELECT 1 FROM visits v3 WHERE v3.place_id=p.id AND v3.is_home),
 	EXISTS (SELECT 1 FROM visits v4 WHERE v4.place_id=p.id AND v4.is_work),
-	p.src_pk`
+	p.src_pk,
+	EXISTS (SELECT 1 FROM place_images pi WHERE pi.dataset_id=p.dataset_id AND pi.src_pk=p.src_pk)`
 
 // PlaceCols 与 ScanPlace 配对，供包外构造只取单个地点的查询。
 const PlaceCols = placeCols
@@ -671,7 +675,7 @@ func scanPlace(s interface{ Scan(...any) error }) (Place, error) {
 	var p Place
 	err := s.Scan(&p.ID, &p.Name, &p.POICategory, &p.Lat, &p.Lon, &p.City, &p.Province,
 		&p.District, &p.Timezone, &p.VisitCount, &p.DwellMinutes, &p.FirstAt, &p.LastAt,
-		&p.TopActivity, &p.TopColor, &p.TopIcon, &p.IsHome, &p.IsWork, &p.SrcPK)
+		&p.TopActivity, &p.TopColor, &p.TopIcon, &p.IsHome, &p.IsWork, &p.SrcPK, &p.HasImage)
 	return p, err
 }