feat: features (#1427)

* features

* features

* features

* fix json tags

* add features handler to auth

* mocks for tests

* add setup step

* fixes

* add featurelist to auth api

* grandfather state and typos

* typo

* merge new-eventstore

* fix login policy tests

* label policy in features

* audit log retention

internal/domain/features.go

@@ -0,0 +1,54 @@
+package domain
+
+import (
+	"time"
+
+	es_models "github.com/caos/zitadel/internal/eventstore/v1/models"
+)
+
+const (
+	FeatureLoginPolicy              = "login_policy"
+	FeatureLoginPolicyFactors       = FeatureLoginPolicy + ".factors"
+	FeatureLoginPolicyIDP           = FeatureLoginPolicy + ".idp"
+	FeatureLoginPolicyPasswordless  = FeatureLoginPolicy + ".passwordless"
+	FeatureLoginPolicyRegistration  = FeatureLoginPolicy + ".registration"
+	FeatureLoginPolicyUsernameLogin = FeatureLoginPolicy + ".username_login"
+	FeaturePasswordComplexityPolicy = "password_complexity_policy"
+	FeatureLabelPolicy              = "label_policy"
+)
+
+type Features struct {
+	es_models.ObjectRoot
+
+	TierName         string
+	TierDescription  string
+	State            FeaturesState
+	StateDescription string
+	IsDefault        bool
+
+	AuditLogRetention        time.Duration
+	LoginPolicyFactors       bool
+	LoginPolicyIDP           bool
+	LoginPolicyPasswordless  bool
+	LoginPolicyRegistration  bool
+	LoginPolicyUsernameLogin bool
+	PasswordComplexityPolicy bool
+	LabelPolicy              bool
+}
+
+type FeaturesState int32
+
+const (
+	FeaturesStateUnspecified FeaturesState = iota
+	FeaturesStateActive
+	FeaturesStateActionRequired
+	FeaturesStateCanceled
+	FeaturesStateGrandfathered
+	FeaturesStateRemoved
+
+	featuresStateCount
+)
+
+func (f FeaturesState) Valid() bool {
+	return f >= 0 && f < featuresStateCount
+}