refactor(agent): remove inbox service

scripts/gen-cordis-catalog.ts

@@ -54,7 +54,6 @@ export const SERVICE_PAGE: Record<string, string> = {
   agentDefaultModel: 'core.md',
   agentPresets: 'core.md',
   agents: 'core.md',
-  inboxes: 'core.md',
   apiProxy: 'typert.md',
   approval: 'approval.md',
   attachments: 'attachment.md',

scripts/gen-doc-graphs.ts

@@ -139,14 +139,6 @@ const SERVICE_ROLES: ServiceRole[] = [
     consumers: ['agent-loop', 'agent', 'session-persistence', 'session-query', 'session-query-sqlite', 'subagent-inprocess', 'invariants', 'message-feedback'],
     note: 'Owns append-only Session instances and emits the durable session event feed.',
   },
-  {
-    key: 'inboxes',
-    pkg: 'agent',
-    title: 'Durable pending-input facade',
-    mode: 'core',
-    consumers: ['agent-loop'],
-    note: 'Registers the standard Inbox projection and creates command facades over its sole live state.',
-  },
   {
     key: 'invariants',
     pkg: 'invariants',