Introduce identity model and reconcile upstream imports

Assistant: codex
Assistant-Model: gpt-6-astra
Assistant-Session: 01a070b5-4994-7271-bd8b-7c3dbcedec4b

infospace/agent/retrieval-index.yaml

@@ -1,6 +1,6 @@
 schema: info-tech-canon.retrieval-index.v1
 infospace: canon
-item_count: 77
+item_count: 78
 items:
 - id: assimilation/emission-cadence
   kind: assimilation
@@ -658,6 +658,8 @@ items:
     target: model/governance
   - type: maps
     target: model/evidence
+  - type: maps
+    target: model/identity
   - type: maps
     target: model/task
   - type: maps
@@ -741,8 +743,11 @@ items:
   - kernel/itc-core
   - model/evidence
   - model/governance
+  - model/identity
   - model/organization
   relationships:
+  - type: uses
+    target: model/identity
   - type: uses
     target: model/evidence
   - type: conforms_to
@@ -887,6 +892,53 @@ items:
   - type: introduces
     target: catalog/evidence-basis
   warnings: []
+- id: model/identity
+  kind: model
+  title: InfoTechCanon Identity Model
+  canonical_path: models/identity/InfoTechCanonIdentityModel.md
+  source_path: ../prj-canon-federation/ledger/concept-ownership.json
+  summary: 'Domain model used by canon profiles and standards: InfoTechCanon Identity
+    Model.'
+  owned_concepts:
+  - Account
+  - Administration Relationship
+  - Affiliation Relationship
+  - Assurance Level
+  - Claim
+  - Credential
+  - Delegation Relationship
+  - Following Relationship
+  - Identifier
+  - Identity Record
+  - InfoTechCanon Identity Model
+  - Lifecycle State
+  - Persona
+  - Profile
+  - Pseudonymous Identifier
+  - Realm
+  - Relationship
+  - Representation Relationship
+  - Scope
+  - Scoped Identifier
+  - Service Account
+  - Synonymity Assertion
+  - Tenant
+  - Trust Relationship
+  imports:
+  - kernel/itc-core
+  - model/access-control
+  - model/evidence
+  - model/organization
+  relationships:
+  - type: conforms_to
+    target: kernel/itc-core
+  - type: uses
+    target: model/organization
+  - type: uses
+    target: model/access-control
+  - type: uses
+    target: model/evidence
+  warnings: []
 - id: model/information-space
   kind: model
   title: InfoTechCanon Information Space Model
@@ -899,7 +951,10 @@ items:
   imports:
   - kernel/itc-core
   - model/evidence
+  - model/identity
   relationships:
+  - type: uses
+    target: model/identity
   - type: uses
     target: model/evidence
   - type: conforms_to
@@ -977,7 +1032,10 @@ items:
   imports:
   - kernel/itc-core
   - model/evidence
+  - model/identity
   relationships:
+  - type: uses
+    target: model/identity
   - type: uses
     target: model/evidence
   - type: conforms_to