build(deps): add ent and x libs dependencies

ent/schema/domain.go

@@ -0,0 +1,51 @@
+package schema
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+
+	"entgo.io/ent"
+	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/index"
+)
+
+// Domain 는 클라이언트가 사용할 도메인과 API Key 를 저장하는 엔티티입니다.
+// - id: UUID 기본 키
+// - domain: FQDN (예: app.example.com)
+// - client_api_key: 클라이언트 인증용 랜덤 문자열(64자)
+// - memo: 관리자 메모
+// - created_at / updated_at: 감사용 타임스탬프
+type Domain struct {
+	ent.Schema
+}
+
+// Fields of the Domain.
+func (Domain) Fields() []ent.Field {
+	return []ent.Field{
+		field.UUID("id", uuid.UUID{}).
+			Default(uuid.New).
+			Immutable(),
+		field.String("domain").
+			NotEmpty().
+			Unique().
+			Immutable(),
+		field.String("client_api_key").
+			NotEmpty().
+			MaxLen(64),
+		field.String("memo").
+			Default(""),
+		field.Time("created_at").
+			Default(time.Now),
+		field.Time("updated_at").
+			Default(time.Now).
+			UpdateDefault(time.Now),
+	}
+}
+
+// Indexes of the Domain.
+func (Domain) Indexes() []ent.Index {
+	return []ent.Index{
+		index.Fields("client_api_key").Unique(),
+	}
+}