Publish activity-core and ops-warden ADRs

Harvest ops-warden's five ready records. Register ACT-ADR-001–005 after
publication metadata landed in activity-core. Markitect arc42-v1 and
the estate infospace are now the validation and retrieval path.

docs/publication-contract.md

@@ -91,15 +91,14 @@ One markdown file per system, following
 - A stub that can be published early has real chapters **1, 3 and 9**
   plus this front-matter.
 
-Validate once Markitect registers `arc42-v1`:
+Validate:
 
 ```sh
-markitect validate docs/architecture/<system>_v0.1.md --schema arc42-v1
+markitect validate docs/architecture/<system>_v0.1.md \
+  --schema /path/to/markitect-main/markitect/schemas/arc42-schema-v1.0.md
 ```
 
-Until that schema exists, author against the template. This repo will
-not publish an architecture document that cannot be validated after the
-schema lands.
+Catalog id: `arc42-v1`.
 
 ## Infospace index
 
@@ -108,6 +107,11 @@ The collection index lives at
 owning-repo documents. It does not copy them. InfoTechCanon owns the
 information-space model, not this estate's building-block view.
 
+```sh
+markitect infospace check --config \
+  the-custodian/canon/architecture/infospace/infospace.yaml
+```
+
 ## How to request publication
 
 1. Put the front-matter on the source document in the owning repo.