diff --git a/contracts/capability/skill_v2.go b/contracts/capability/skill_v2.go
new file mode 100644
index 0000000..d4a5bc5
--- /dev/null
+++ b/contracts/capability/skill_v2.go
@@ -0,0 +1,36 @@
+package capability
+
+type SkillID string
+type SkillRevision struct {
+	SkillID                       SkillID
+	Revision                      int64
+	Description                   string
+	Applicability                 ApplicabilitySpec
+	ImplementationRef             string
+	ImplementationVersion         string
+	DependencyRefs                []string
+	SupportingExperienceRefs      []SkillEvidenceRef
+	KnownFailureExperienceRefs    []SkillEvidenceRef
+	ValidationEvidenceRefs        []SkillEvidenceRef
+	QualityAssessmentRefs         []string
+	EnvironmentVersionConstraints []string
+	LastValidatedAt               int64
+	Lifecycle                     SkillLifecycleStatus
+	SupersedesRevision            int64
+	RecordedAt                    int64
+}
+type ApplicabilitySpec struct {
+	RequiredContextBindings  []string
+	PreferredContextBindings []string
+	ExcludedContextBindings  []string
+	RequiredWorldKinds       []string
+	VersionConstraints       []string
+	InputConditions          []string
+	MinimumEvidenceFreshness string
+}
+type Skill struct {
+	ID          SkillID
+	PrincipalID string
+	Name        string
+	CreatedAt   int64
+}
diff --git a/dev/ACTIVE_TASK.json b/dev/ACTIVE_TASK.json
index 4e5e8d6..72c44c9 100644
--- a/dev/ACTIVE_TASK.json
+++ b/dev/ACTIVE_TASK.json
@@ -1 +1 @@
-{"task_file":"dev/tasks/GEN2-012-add-typed-scoped-versioned-configuration-owner-and-bootstrap-boundary.json","task_id":"GEN2-012","task_revision":1}
+{"task_file":"dev/tasks/GEN2-013-migrate-skill-v1-to-skill-v2-with-applicability-versioning-and-evidence.json","task_id":"GEN2-013","task_revision":1}
diff --git a/modules/capability/domain/skill_v2.go b/modules/capability/domain/skill_v2.go
new file mode 100644
index 0000000..d63de4b
--- /dev/null
+++ b/modules/capability/domain/skill_v2.go
@@ -0,0 +1,16 @@
+package domain
+
+import (
+	"fmt"
+	"git.cin.su/m/Assistant/contracts/capability"
+)
+
+func ValidateSkillRevision(value capability.SkillRevision) error {
+	if value.SkillID == "" || value.Revision < 1 || value.ImplementationRef == "" || value.Lifecycle == "" || value.RecordedAt < 1 {
+		return fmt.Errorf("invalid skill revision")
+	}
+	if value.Lifecycle == capability.SkillValidated && len(value.ValidationEvidenceRefs) == 0 {
+		return fmt.Errorf("validated skill requires evidence")
+	}
+	return nil
+}