Record ADR conflicts and publish the estate arc42

T03 writes a rulings overlay and a readable conflict list. T04 starts
relevance: five superseded, five live conflicts, estate and activity-core
ADRs marked publish-after-prefix. The Coulomb estate map is now a
published architecture document.

publication.json

@@ -15,7 +15,8 @@
   "repositories": {
     "net-kingdom": {"path": "../net-kingdom"},
     "policy-nexus": {"path": "."},
-    "railiance-master": {"path": "../railiance-master"}
+    "railiance-master": {"path": "../railiance-master"},
+    "the-custodian": {"path": "../the-custodian"}
   },
   "documents": [
     {
@@ -28,6 +29,14 @@
       "subtitle": "A framework for describing, holding and improving multi-tenancy — including where we are not there yet.",
       "review_interval": "6m"
     },
+    {
+      "id": "coulomb-estate-architecture",
+      "source_repo": "the-custodian",
+      "source_path": "canon/architecture/coulomb-estate_v0.1.md",
+      "canonical_path": "architecture/coulomb-estate/v0.1/index.html",
+      "revision_path": "architecture/coulomb-estate/v0.1/revisions/{revision}/index.html",
+      "review_interval": "6m"
+    },
     {
       "id": "policy-nexus-architecture",
       "source_repo": "policy-nexus",