fix(client): preserve state across Session reference updates

packages/api/session-controller/src/client/sessions/service.ts

@@ -34,6 +34,7 @@ export interface SessionSummary {
   parentId?: SessionId
   /** Coarse durable origin for navigation filtering; not a continuation capability. */
   origin?: 'subagent'
+  /** Host running state for `ids` members; a display fallback for other rows. */
   running: boolean
   /** Local ownership counts; Host metadata refreshes cannot overwrite them. */
   readonly retainedBy: SessionRetainInfo['retainedBy']