refactor(session): exclude live-session registry foundation

scripts/gen-doc-graphs.ts

@@ -171,15 +171,6 @@ const SERVICE_ROLES: ServiceRole[] = [
     consumers: ['apiproxy'],
     note: 'Owns WorkspaceId-branded records over the domain facility; stable sessionIds accounts drive Host RPC and GUI projections.',
   },
-  {
-    key: 'sessionRegistry',
-    pkg: 'session-registry',
-    title: 'Live-session registry',
-    mode: 'seam',
-    implementations: ['session-registry-file'],
-    consumers: ['session-registry-live'],
-    note: 'Seam contract for live-session records; the file backend owns the lock-guarded medium, liveness is derived from the recorded pid at read time, and the publisher mirrors lifecycle and title events for `dsh list-sessions`.',
-  },
   {
     key: 'sessionQuery',
     pkg: 'session-query',