spec: the rename prescription names the published npm major (check:future-spec-major)

Claude-Session: https://claude.ai/code/session_01KNKBCRDJCu5tGy3TEbvtrF
Co-authored-by: Claude <noreply@anthropic.com>

Author: claude

content/docs/references/kernel/metadata-plugin.mdx

@@ -269,7 +269,7 @@ const result = MetadataBulkResultSchema.parse(data);
 | **filePatterns** | `string[]` | ✅ | Glob patterns to discover files of this type |
 | **supportsOverlay** | `boolean` | optional (default: `true`) | Whether a stored overlay row of an item a managed package ships may be removed through the ordinary delete door without the type's environment-overlay permission: the removal removes no managed definition, and changes what is served for permission alone; it opens no save and it decides no read |
 | **allowEnvironmentOverlay** | `boolean` | optional (default: `false`) | Whether an environment may overlay an item of this type that a managed package ships (ADR-0131 D6 regime O). Decides the save door, the managed-content seal on write and on read, and Studio's write gate; the OS_METADATA_WRITABLE hatch does not reach a managed item. Default false. |
-| **allowOrgOverride** | `never` | optional | [REMOVED] `MetadataTypeRegistryEntry.allowOrgOverride` was renamed to `allowEnvironmentOverlay` in @objectstack/spec 18 (ADR-0131 D6) — the per-organization overlay axis was retired, and the key now names the one scope it governs: whether an environment may overlay an item of this type that a managed package ships. Rename the key to `allowEnvironmentOverlay`; the value is unchanged. |
+| **allowOrgOverride** | `never` | optional | [REMOVED] `MetadataTypeRegistryEntry.allowOrgOverride` was renamed to `allowEnvironmentOverlay` in @objectstack/spec 17 (ADR-0131 D6) — the per-organization overlay axis was retired, and the key now names the one scope it governs: whether an environment may overlay an item of this type that a managed package ships. Rename the key to `allowEnvironmentOverlay`; the value is unchanged. |
 | **allowRuntimeCreate** | `boolean` | optional (default: `true`) | Allow runtime creation via API |
 | **supportsVersioning** | `boolean` | optional (default: `false`) | Whether version history is tracked |
 | **executionPinned** | `boolean` | optional (default: `false`) | Transaction rows reference a specific version_hash; history GC is disabled and getByHash() MUST resolve old hashes (ADR-0009) |

packages/spec/src/kernel/metadata-plugin.zod.ts

@@ -315,7 +315,7 @@ const MetadataTypeRegistryEntryBaseSchema = z.object({
    */
   allowOrgOverride: retiredKey(
     '`MetadataTypeRegistryEntry.allowOrgOverride` was renamed to `allowEnvironmentOverlay` in '
-    + '@objectstack/spec 18 (ADR-0131 D6) — the per-organization overlay axis was retired, and '
+    + '@objectstack/spec 17 (ADR-0131 D6) — the per-organization overlay axis was retired, and '
     + 'the key now names the one scope it governs: whether an environment may overlay an item '
     + 'of this type that a managed package ships. Rename the key to `allowEnvironmentOverlay`; '
     + 'the value is unchanged.',

packages/spec/src/kernel/metadata-type-registry-allow-org-override-retirement.test.ts

@@ -56,7 +56,7 @@ describe('MetadataTypeRegistryEntry.allowOrgOverride is renamed to allowEnvironm
     expect(issue!.path).toEqual(['allowOrgOverride']);
     // The prescription IS the migration doc for whoever hits it.
     expect(issue!.message).toMatch(
-      /`MetadataTypeRegistryEntry\.allowOrgOverride` was renamed to `allowEnvironmentOverlay` in @objectstack\/spec 18/s,
+      /`MetadataTypeRegistryEntry\.allowOrgOverride` was renamed to `allowEnvironmentOverlay` in @objectstack\/spec 17/s,
     );
     expect(issue!.message).toMatch(/Rename the key to `allowEnvironmentOverlay`; the value is unchanged/s);
     // `false` is refused exactly like `true`: the key is gone, not one value of it.