test(runtime): repair object fixtures for the authored-OWD door (#8310)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012MNV7ZSCjNfA38eDCjsXQL

Author: claude

packages/runtime/src/domains/meta-published-runtime-publish.test.ts

@@ -153,6 +153,9 @@ function makeProtocol(engine: any, metadata: unknown) {
 const RUNTIME_BODY = {
     name: 'proj_task',
     label: 'Project Task',
+    // [#8310] The runtime object door requires an authored OWD (the
+    // draft→active promotion runs the 422 lint gate).
+    sharingModel: 'private',
     fields: {
         title: { type: 'text', label: 'Title' },
         done: { type: 'boolean', label: 'Done' },

packages/runtime/src/meta-field-overlay-lock.test.ts

@@ -115,6 +115,10 @@ import type { HttpDispatcherResult } from './http-dispatcher.js';
 const PACKAGED_OBJECT = {
     name: 'showcase_task',
     label: 'Task',
+    // [#8310] The runtime object door requires an authored OWD — without it
+    // the 422 lint door answers first and the NOT_OVERRIDABLE control below
+    // would be refused for the wrong reason.
+    sharingModel: 'private',
     fields: {
         title: { type: 'text', label: 'Title', required: true },
         status: { type: 'select', label: 'Status' },
@@ -126,6 +130,8 @@ const PACKAGED_OBJECT = {
 const RUNTIME_OBJECT = {
     name: 'runtime_thing',
     label: 'Runtime Thing',
+    // [#8310] The runtime object door requires an authored OWD.
+    sharingModel: 'private',
     fields: { note: { type: 'text', label: 'Note' } },
 };
 

packages/runtime/src/meta-write-org-scope.test.ts

@@ -348,6 +348,8 @@ describe('#7018 — the registry decides whether a metadata write carries the se
         const OBJECT = {
             name: 'ticket',
             label: 'Ticket',
+            // [#8310] The runtime object door requires an authored OWD.
+            sharingModel: 'private',
             fields: { subject: { type: 'text', label: 'Subject' } },
         };