feat: complete SOP execution workflow

internal/sop/handler.go

@@ -355,6 +355,9 @@ func (h *Handler) Publish(c *gin.Context) {
 	}
 	now := time.Now()
 	err = h.db.Transaction(func(tx *gorm.DB) error {
+		if err := BindKnowledgeVersions(tx, p.TenantID, version.ID); err != nil {
+			return err
+		}
 		if err := tx.Model(&model.SOPVersion{}).Where("sop_id = ? AND tenant_id = ? AND status = ?", id, p.TenantID, "published").Update("status", "superseded").Error; err != nil {
 			return err
 		}