Add ledger, address/contact sort, and tighter schema-graph layout.

Replace manifestarticle.transactedamount with an append-only ledger, add sort on entity address/contact, and allow same-rank FKs with crossing-aware exits in the graph.

src/store/entitycontact/update.js

@@ -8,6 +8,7 @@ function shape(row) {
     entityId: row.entityId,
     contactType: row.contactType,
     contact: row.contact,
+    sort: row.sort,
   };
 }
 
@@ -50,12 +51,21 @@ export default function update(pool) {
       throw new Error('Contact required');
     }
 
+    let sort = current.sort;
+    if (Object.prototype.hasOwnProperty.call(patch, 'sort')) {
+      if (!Number.isFinite(patch.sort)) {
+        throw new Error('Invalid sort');
+      }
+      sort = patch.sort;
+    }
+
     const result = await pool
       .request()
       .input('id', id)
       .input('entityId', entityId)
       .input('contactType', contactType)
       .input('contact', contact)
+      .input('sort', sort)
       .query(UPDATE);
 
     const row = result.recordset[0];