논리 검사 계속. 스케폴딩 일부 진행

backend/internal/domain/models.go

@@ -0,0 +1,23 @@
+package domain
+
+import (
+	"time"
+)
+
+// AuditLog represents a single audit event
+type AuditLog struct {
+	Timestamp   time.Time `json:"timestamp"`
+	UserID      string    `json:"user_id"`
+	EventType   string    `json:"event_type"` // e.g., "login_success", "login_failed", "otp_sent"
+	Status      string    `json:"status"`     // e.g., "success", "failure"
+	IPAddress   string    `json:"ip_address"`
+	UserAgent   string    `json:"user_agent"`
+	DeviceID    string    `json:"device_id,omitempty"`
+	Details     string    `json:"details,omitempty"` // JSON string or simple text
+}
+
+// AuditRepository defines interface for storing logs
+type AuditRepository interface {
+	Create(log *AuditLog) error
+	// FindAll(filter Filter) ([]*AuditLog, error) // Future scope
+}