feat: record who created join codes and who added each node [CI]

backend/src/MoShiro.Backend.Storage.Sqlite/Schema.cs

@@ -5,7 +5,7 @@ namespace MoShiro.Backend.Storage.Sqlite;
 /// <summary>表结构。版本记录在 <c>PRAGMA user_version</c>；以后的迁移是按版本号追加的内置 SQL。</summary>
 internal static class Schema
 {
-    public const int CurrentVersion = 12;
+    public const int CurrentVersion = 13;
 
     public static void Migrate(SqliteConnection connection)
     {
@@ -183,6 +183,17 @@ internal static class Schema
             connection.Exec("PRAGMA user_version = 12");
             transaction.Commit();
         }
+
+        if (version < 13)
+        {
+            // 归属：加入码是谁创建的，节点是用哪个加入码（也就是谁）加进来的；审计日志
+            using SqliteTransaction transaction = connection.BeginTransaction();
+            connection.Exec("ALTER TABLE join_tokens ADD COLUMN created_by TEXT");
+            connection.Exec("ALTER TABLE agents ADD COLUMN added_by TEXT");
+            connection.Exec("ALTER TABLE probes ADD COLUMN added_by TEXT");
+            connection.Exec("PRAGMA user_version = 13");
+            transaction.Commit();
+        }
     }
 
     /// <summary>