chore: build

backend/internal/modules/media/model.go

@@ -17,8 +17,12 @@ type Media struct {
 	MimeType   string    `gorm:"not null"`
 	SizeBytes  int64     `gorm:"not null"`
 	AltText    string    `gorm:"not null;default:''"`
-	CreatedAt  time.Time
-	UpdatedAt  time.Time
+	// ProductID isolates each media file to the single product it was
+	// uploaded for (nil for media not tied to any product, e.g. contact
+	// link icons) -- there is no shared cross-product media library.
+	ProductID *uuid.UUID `gorm:"type:uuid;index"`
+	CreatedAt time.Time
+	UpdatedAt time.Time
 }
 
 func (Media) TableName() string { return "media" }