feat: activity log backend foundation

internal/infrastructure/persistence/models/auditEventModel.go

@@ -0,0 +1,24 @@
+package models
+
+import "time"
+
+type AuditEvent struct {
+	ID            uint64    `gorm:"primaryKey;autoIncrement"`
+	CreatedAt     time.Time `gorm:"not null;index:idx_audit_events_created_at;index:idx_audit_events_actor,priority:3;index:idx_audit_events_category,priority:2"`
+	Action        string    `gorm:"not null;size:64"`
+	Category      string    `gorm:"not null;size:16;index:idx_audit_events_category,priority:1"`
+	ActorType     string    `gorm:"not null;size:16;index:idx_audit_events_actor,priority:1"`
+	ActorID       *uint32   `gorm:"index:idx_audit_events_actor,priority:2"`
+	ActorName     string    `gorm:"not null;size:255"`
+	TargetType    string    `gorm:"not null;size:32"`
+	TargetID      string    `gorm:"not null;size:64"`
+	TargetName    string    `gorm:"not null;size:255"`
+	Outcome       string    `gorm:"not null;size:16"`
+	FailureReason *string   `gorm:"size:255"`
+	Security      bool      `gorm:"not null"`
+	Source        string    `gorm:"not null;size:16"`
+	IP            *string   `gorm:"size:64"`
+	UserAgent     *string   `gorm:"size:255"`
+	Params        string    `gorm:"not null;type:text"`
+	Changes       string    `gorm:"not null;type:text"`
+}