feat: Add audit logging (#38189)

Co-authored-by: bircni <bircni@users.noreply.github.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

modelmigration/v28/v353.go

@@ -0,0 +1,37 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v28
+
+import (
+	"context"
+
+	"gitea.dev/modelmigration/base"
+	"gitea.dev/modules/timeutil"
+)
+
+type AuditEvent struct {
+	ID               int64  `xorm:"pk autoincr"`
+	Action           string `xorm:"INDEX NOT NULL"`
+	ActorID          int64  `xorm:"INDEX NOT NULL"`
+	ActorName        string
+	ActorCredential  string
+	ImpersonatorID   int64 `xorm:"INDEX"`
+	ImpersonatorName string
+	ScopeID          int64  `xorm:"INDEX(scope) NOT NULL"`
+	ScopeType        string `xorm:"INDEX INDEX(scope) NOT NULL"`
+	ScopeName        string
+	Origin           string `xorm:"INDEX NOT NULL"`
+	Message          string
+	Metadata         string `xorm:"LONGTEXT JSON"`
+	IPAddress        string
+	TimestampUnix    timeutil.TimeStamp `xorm:"INDEX NOT NULL"`
+}
+
+func (*AuditEvent) TableName() string {
+	return "audit_event"
+}
+
+func AddAuditEventTable(_ context.Context, x base.EngineMigration) error {
+	return x.Sync(new(AuditEvent))
+}