Bound retained workspace screens (#1472)

* fix(app): prune retained workspace deck entries

* fix(app): narrow workspace deck retention selectors

* fix(app): preserve deck lru during route transitions

* test(app): update startup reconnect expectation

packages/app/src/stores/session-store-hooks/index.ts

@@ -3,11 +3,13 @@ import { useStoreWithEqualityFn } from "zustand/traditional";
 import { useSidebarOrderStore } from "@/stores/sidebar-order-store";
 import {
   composeWorkspaceStructure,
+  selectHasHydratedWorkspaces,
   selectHasWorkspaces,
   selectProjectOrder,
   selectRecommendedProjectPaths,
   selectResolveWorkspaceIdByCwd,
   selectWorkspace,
+  selectWorkspaceExists,
   selectWorkspaceExecutionAuthority,
   selectWorkspaceFields,
   selectWorkspaceKeys,
@@ -54,6 +56,22 @@ export function useWorkspaceFields<T>(
   );
 }
 
+export function useWorkspaceExists(serverId: string | null, workspaceId: string | null): boolean {
+  return useStoreWithEqualityFn(
+    useSessionStore,
+    (state) => selectWorkspaceExists(state, serverId, workspaceId),
+    workspaceEqualityFns.identity,
+  );
+}
+
+export function useHasHydratedWorkspaces(serverId: string | null): boolean {
+  return useStoreWithEqualityFn(
+    useSessionStore,
+    (state) => selectHasHydratedWorkspaces(state, serverId),
+    workspaceEqualityFns.identity,
+  );
+}
+
 export function useWorkspaceExecutionAuthority(
   serverId: string | null,
   workspaceId: string | null,

packages/app/src/stores/session-store-hooks/selectors.ts

@@ -17,7 +17,10 @@ export type { DesktopBadgeWorkspaceStatus } from "@/utils/desktop-badge-state";
 export type { WorkspaceStructure, WorkspaceStructureProject } from "@/projects/workspace-structure";
 
 export interface SessionsSnapshot {
-  sessions: Record<string, { workspaces: Map<string, WorkspaceDescriptor> }>;
+  sessions: Record<
+    string,
+    { hasHydratedWorkspaces?: boolean; workspaces: Map<string, WorkspaceDescriptor> }
+  >;
 }
 
 export interface SidebarOrderSnapshot {
@@ -110,6 +113,21 @@ export function selectWorkspaceFields<T>(
   return workspace ? project(workspace) : null;
 }
 
+export function selectWorkspaceExists(
+  state: SessionsSnapshot,
+  serverId: string | null,
+  workspaceId: string | null,
+): boolean {
+  return selectWorkspace(state, serverId, workspaceId) !== null;
+}
+
+export function selectHasHydratedWorkspaces(
+  state: SessionsSnapshot,
+  serverId: string | null,
+): boolean {
+  return serverId ? (state.sessions[serverId]?.hasHydratedWorkspaces ?? false) : false;
+}
+
 export function selectWorkspaceExecutionAuthority(
   state: SessionsSnapshot,
   serverId: string | null,