chore: patch project maps for loading-overlay and orphaned session entries

- Add loading-overlay.tsx to component maps
- Remove orphaned session-progress-panel.tsx and session-operations.tsx entries
- Refresh parent indexes after manual map edits

Quality gates: pytest 313 passed/34 skipped, npm run typecheck/lint clean,
npm test -- --run 87 passed

apps/web/src/state/.pi-map.index.md

@@ -2,7 +2,7 @@
 dir: apps/web/src/state
 
 ## role
-Centralized client-side state management layer providing React context providers for core application concerns including authentication, real-time data, notifications, background operations, and user feedback.
+Centralized client-side state management layer providing React context providers for core application concerns including authentication, real-time data, notifications, and user feedback.
 ## parent
 index: apps/web/src/.pi-map.index.md
 map: apps/web/src/.pi-map.md
@@ -12,7 +12,6 @@ map: apps/web/src/.pi-map.md
 - auth.tsx
 - events.tsx
 - notifications.tsx
-- session-operations.tsx
 - sessions.tsx
 - toast.tsx
 ## links

apps/web/src/state/.pi-map.md

@@ -4,18 +4,17 @@ dir: apps/web/src/state
 index: apps/web/src/state/.pi-map.index.md
 
 ## role
-Centralized client-side state management layer providing React context providers for core application concerns including authentication, real-time data, notifications, background operations, and user feedback.
+Centralized client-side state management layer providing React context providers for core application concerns including authentication, real-time data, notifications, and user feedback.
 ## files
 - auth.tsx | Provides React authentication context for managing user session state with login status, user data, and session refresh/logout operations. | exp: AuthProvider, useAuth | dep: react, ../api/client, ../types
 - events.tsx | Creates a React context provider for real-time event data with connection status and reconnection tracking | exp: func:EventProvider({ children }: { children: React.ReactNode }), call:useEvents, call:useMemo, func:useEventContext(), call:useContext | dep: react, ../hooks/use-events, ../types/events
 - notifications.tsx | Provides a React context provider that manages notification state with optimistic updates, polling, and dropdown-aware fetching. | exp: NotificationContextValue, NotificationContext, func:NotificationProvider({ children, }: { children: React.ReactNode; }), call:useState, call:useRef, call:useCallback, call:getUnreadCount, call:setUnreadCount, call:clearInterval, call:console.error, call:setIsLoading, call:getNotifications, call:setNotifications, call:fetchUnreadCount, call:setInterval, call:fetchList, call:useEffect, call:stopPolling, call:startPolling, call:document.addEventListener, call:document.removeEventListener, call:currentNotifications.find, call:currentNotifications.map, call:new Date().toISOString, call:Math.max, call:setError, call:markNotificationRead, call:markAllNotificationsRead, call:currentNotifications.filter, call:dismissNotification, call:clearAllNotifications | dep: react, ../api/notifications, React
-- session-operations.tsx | Manages a React context provider for tracking asynchronous instance operations (create, start, stop, etc.) with status updates from event payloads. | exp: OperationType, OperationStatus, Operation, SessionOperationsContextType, SessionOperationsProvider, useSessionOperations | dep: react, ../types/events
 - sessions.tsx | Provides a React context that manages user sessions state with server polling, local CRUD operations, and loading/error handling. | exp: SessionsContextType, SessionsProvider, useSessions | dep: react, ../api/sessions
 - toast.tsx | Implements a React toast notification system with context-based state management, auto-dismiss timers, and imperative API shortcuts. | exp: ToastSeverity, ToastItem, toast, func:ToastProvider({ children }: { children: React.ReactNode }), call:useState, call:useRef, call:useCallback, call:setToasts, call:prev.filter, call:timersRef.current.get, call:clearTimeout, call:timersRef.current.delete, call:Date.now, call:setTimeout, call:removeToast, call:timersRef.current.set, call:useEffect, call:addToast, func:useToast(), call:useContext, raise:Error | dep: react, React
 ## arch
-React Context API pattern with separate providers per domain, combining optimistic updates, server polling, event-driven state synchronization, and imperative APIs for cross-cutting concerns like toast notifications.
+React Context API pattern with separate providers per domain, combining optimistic updates, server polling, event-driven state synchronization, and imperative APIs for cross-cutting concerns.
 ## tags
-call:use, context, toast, provider, react, call:set, notification, operations
+call:use, context, toast, provider, react, call:set, notification
 ## symbols
 - EventProvider
 - useEventContext
@@ -24,7 +23,6 @@ call:use, context, toast, provider, react, call:set, notification, operations
 - useToast
 - AuthProvider
 - useAuth
-- call:useEvents
 ## workflows
 - change state behavior
   read: auth.tsx, events.tsx, notifications.tsx