Add a new RoomThreadListScreen and hook it up to the RoomThreadListService

It will automatically paginate to fill the screen and update the list as updates come in.

ElementX/Sources/Screens/RoomScreen/RoomScreenCoordinator.swift

@@ -47,6 +47,7 @@ enum RoomScreenCoordinatorAction {
     case presentPinnedEventsTimeline
     case presentResolveSendFailure(failure: TimelineItemSendFailure.VerifiedUser, sendHandle: SendHandleProxy)
     case presentKnockRequestsList
+    case presentThreadList
     case presentThread(threadRootEventID: String, focussedEventID: String?)
     case presentRoom(roomID: String, via: [String])
 }
@@ -187,6 +188,8 @@ final class RoomScreenCoordinator: CoordinatorProtocol {
                     actionsSubject.send(.presentRoom(roomID: roomID, via: via))
                 case .displayMessageForwarding(let forwardingItem):
                     actionsSubject.send(.presentMessageForwarding(forwardingItem: forwardingItem))
+                case .displayThreadList:
+                    actionsSubject.send(.presentThreadList)
                 case .displayThread(let threadRootEventID, let focussedEventID):
                     actionsSubject.send(.presentThread(threadRootEventID: threadRootEventID, focussedEventID: focussedEventID))
                 }

ElementX/Sources/Screens/RoomScreen/RoomScreenModels.swift

@@ -12,6 +12,7 @@ import OrderedCollections
 
 enum RoomScreenViewModelAction: Equatable {
     case focusEvent(eventID: String)
+    case displayThreadList
     case displayThread(threadRootEventID: String, focussedEventID: String)
     case displayPinnedEventsTimeline
     case displayRoomDetails
@@ -32,6 +33,7 @@ enum RoomScreenViewAction {
     case dismissKnockRequests
     case viewKnockRequests
     case displaySuccessorRoom
+    case displayThreadList
 }
 
 struct RoomScreenViewState: BindableState {

ElementX/Sources/Screens/RoomScreen/RoomScreenViewModel.swift

@@ -119,6 +119,8 @@ class RoomScreenViewModel: RoomScreenViewModelType, RoomScreenViewModelProtocol
             guard let successorID = roomProxy.infoPublisher.value.successor?.roomId else { return }
             let serverNames = roomProxy.knownServerNames(maxCount: 50) // Limit to the same number used by ClientProxy.resolveRoomAlias(_:)
             actionsSubject.send(.displayRoom(roomID: successorID, via: Array(serverNames)))
+        case .displayThreadList:
+            actionsSubject.send(.displayThreadList)
         }
     }
     

ElementX/Sources/Screens/RoomScreen/View/RoomScreen.swift

@@ -179,6 +179,17 @@ struct RoomScreen: View {
                 }
             }
         }
+            if #available(iOS 26, *) {
+                ToolbarSpacer(.fixed, placement: .primaryAction)
+            }
+            
+            ToolbarItem(placement: .primaryAction) {
+                Button {
+                    context.send(viewAction: .displayThreadList)
+                } label: {
+                    CompoundIcon(\.threads)
+                }
+            }
     }
     
     @ViewBuilder