chore(spec): refresh api-surface snapshot for ObjectAccessConfig (ADR-0066 D2)

Non-breaking: +ObjectAccessConfig (type) +ObjectAccessConfigSchema (const).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: os-zhuang

packages/spec/api-surface.json

@@ -315,6 +315,8 @@
     "NormalizedFilter (type)",
     "NormalizedFilterSchema (const)",
     "NotificationChannel (type)",
+    "ObjectAccessConfig (type)",
+    "ObjectAccessConfigSchema (const)",
     "ObjectCapabilities (type)",
     "ObjectDependencyGraph (type)",
     "ObjectDependencyGraphSchema (const)",