feat: editor write path

internal/infrastructure/persistence/database/mysql.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"net"
+	"slices"
 	"strings"
 	"time"
 
@@ -25,6 +26,8 @@ const (
 	redactedPassword     = "***"
 	mysqlLockNowait      = 3572
 	mysqlLockWaitTimeout = 1205
+	mysqlDeadlock        = 1213
+	mysqlSnapshotChanged = 1020
 )
 
 type mysqlDriver struct{}
@@ -88,7 +91,9 @@ func tableOptionsFor(db *gorm.DB) *gorm.DB {
 	return db
 }
 
+var mysqlContentionCodes = []uint16{mysqlLockNowait, mysqlLockWaitTimeout, mysqlDeadlock, mysqlSnapshotChanged}
+
 func (mysqlDriver) IsLockContention(err error) bool {
 	var failure *mysqldriver.MySQLError
-	return errors.As(err, &failure) && (failure.Number == mysqlLockNowait || failure.Number == mysqlLockWaitTimeout)
+	return errors.As(err, &failure) && slices.Contains(mysqlContentionCodes, failure.Number)
 }