Implement REUSE-WP-0012 federation scale and intent alignment

Add hub sync and report cohorts CLI commands with pytest coverage, document
sibling index publish contract and hub hardening path, align INTENT layout,
raise external evidence on three registry entries, and close gap priorities
19-23 (priority 18 deferred on sibling index blocks).

registry/indexes/capabilities.yaml

@@ -94,7 +94,7 @@ capabilities:
   - id: capability.registry.register
     name: Capability Registration
     summary: Register a new capability so it becomes visible for planning and implementation reuse.
-    vector: D3 / A4 / C2 / R2
+    vector: D3 / A4 / C2 / R3
     domain: helix_forge
     status: draft
     owner: reuse-surface
@@ -105,7 +105,7 @@ capabilities:
   - id: capability.registry.validate
     name: Registry Entry Validation
     summary: Validate capability registry entries against schema, index consistency, and relation integrity.
-    vector: D4 / A3 / C3 / R2
+    vector: D4 / A3 / C3 / R3
     domain: helix_forge
     status: draft
     owner: reuse-surface
@@ -116,7 +116,7 @@ capabilities:
   - id: capability.statehub.progress-log
     name: Work Progress Logging
     summary: Record progress events, decisions, and session notes against workstreams and tasks in State Hub.
-    vector: D4 / A4 / C3 / R2
+    vector: D4 / A4 / C3 / R3
     domain: helix_forge
     status: draft
     owner: state-hub

registry/indexes/federated.yaml

@@ -1,7 +1,7 @@
 # Composed federated capability index. Regenerate with:
 # reuse-surface federation compose
 version: 1
-updated: '2026-06-15'
+updated: '2026-06-16'
 domain: helix_forge
 collision_policy: warn
 sources:
@@ -150,7 +150,7 @@ capabilities:
   name: Capability Registration
   summary: Register a new capability so it becomes visible for planning and implementation
     reuse.
-  vector: D3 / A4 / C2 / R2
+  vector: D3 / A4 / C2 / R3
   domain: helix_forge
   status: draft
   owner: reuse-surface
@@ -170,7 +170,7 @@ capabilities:
   name: Registry Entry Validation
   summary: Validate capability registry entries against schema, index consistency,
     and relation integrity.
-  vector: D4 / A3 / C3 / R2
+  vector: D4 / A3 / C3 / R3
   domain: helix_forge
   status: draft
   owner: reuse-surface
@@ -187,7 +187,7 @@ capabilities:
   name: Work Progress Logging
   summary: Record progress events, decisions, and session notes against workstreams
     and tasks in State Hub.
-  vector: D4 / A4 / C3 / R2
+  vector: D4 / A4 / C3 / R3
   domain: helix_forge
   status: draft
   owner: state-hub