精简后的项目：仅保留 api/ui 源码、文档、构建依赖

api/database/migrations/exif_invalid_gps.go

@@ -0,0 +1,24 @@
+package migrations
+
+import (
+	"fmt"
+
+	"github.com/photoview/photoview/api/graphql/models"
+	"gorm.io/gorm"
+)
+
+// MigrateForExifGPSCorrection finds and removes invalid GPS data from media_exif table
+func MigrateForExifGPSCorrection(db *gorm.DB) error {
+	return db.Transaction(func(tx *gorm.DB) error {
+		if err := tx.Model(&models.MediaEXIF{}).
+			Where("ABS(gps_longitude) > ?", 90).
+			Or("ABS(gps_latitude) > ?", 90).
+			Updates(map[string]interface{}{
+				"gps_latitude":  nil,
+				"gps_longitude": nil,
+			}).Error; err != nil {
+			return fmt.Errorf("failed to remove invalid GPS data from media_exif table: %w", err)
+		}
+		return nil
+	})
+}