ios: fix pull to refresh

ios/Packages/Sybil/Sources/Sybil/SybilChatTranscriptView.swift

@@ -17,18 +17,6 @@ struct SybilChatTranscriptView: View {
     var body: some View {
         ScrollView {
             LazyVStack(alignment: .leading, spacing: 26) {
-                if isSending && !hasPendingAssistant {
-                    HStack(spacing: 8) {
-                        ProgressView()
-                            .controlSize(.small)
-                            .tint(SybilTheme.textMuted)
-                        Text("Assistant is typing…")
-                            .font(.sybil(.footnote))
-                            .foregroundStyle(SybilTheme.textMuted)
-                    }
-                    .scaleEffect(x: 1, y: -1)
-                }
-
                 ForEach(messages.reversed()) { message in
                     MessageBubble(message: message, isSending: isSending)
                         .frame(maxWidth: .infinity)

ios/Packages/Sybil/Sources/Sybil/SybilSidebarView.swift

@@ -159,10 +159,7 @@ struct SybilSidebarItemList: View {
                 .padding(10)
             }
             .refreshable {
-                await viewModel.refreshVisibleContent(
-                    refreshCollections: true,
-                    refreshSelection: false
-                )
+                await viewModel.refreshSidebarCollectionsFromPullToRefresh()
             }
         }
     }

ios/Packages/Sybil/Sources/Sybil/SybilViewModel.swift

@@ -911,6 +911,23 @@ final class SybilViewModel {
         }
     }
 
+    func refreshSidebarCollectionsFromPullToRefresh() async {
+        guard isAuthenticated, !isCheckingSession else {
+            return
+        }
+
+        SybilLog.info(
+            SybilLog.ui,
+            "Sidebar pull-to-refresh requested"
+        )
+
+        let preferredSelection = selectedItem
+        let refreshTask = Task { @MainActor in
+            await refreshCollections(preferredSelection: preferredSelection, refreshSelection: false)
+        }
+        await refreshTask.value
+    }
+
     func sendComposer() async {
         let content = composer.trimmingCharacters(in: .whitespacesAndNewlines)
         let attachments = composerAttachments
@@ -1276,7 +1293,9 @@ final class SybilViewModel {
                 attachToVisibleActiveRunIfNeeded()
             }
         } catch {
-            if shouldSuppressInactiveTransportError(error) {
+            if isCancellation(error) {
+                SybilLog.debug(SybilLog.app, "Collection refresh cancelled")
+            } else if shouldSuppressInactiveTransportError(error) {
                 SybilLog.info(SybilLog.app, "Suppressing collection refresh transport interruption while app is inactive")
             } else {
                 errorMessage = normalizeAPIError(error)

ios/Packages/Sybil/Tests/SybilTests/SybilTests.swift

@@ -36,6 +36,8 @@ private actor MockSybilClient: SybilAPIClienting {
     private var lastCreateChatCall: ChatCreateCallSnapshot?
     private var lastCompletionStreamBody: CompletionStreamRequest?
     private var completionStreamEvents: [CompletionStreamEvent]?
+    private var listChatsDelayNanoseconds: UInt64 = 0
+    private var listSearchesDelayNanoseconds: UInt64 = 0
     private var getChatDelayNanoseconds: UInt64 = 0
     private var getSearchDelayNanoseconds: UInt64 = 0
     private var completionStreamNetworkErrorMessage: String?
@@ -85,6 +87,11 @@ private actor MockSybilClient: SybilAPIClienting {
         completionStreamDelayNanoseconds = delayNanoseconds
     }
 
+    func setListDelays(chats: UInt64 = 0, searches: UInt64 = 0) {
+        listChatsDelayNanoseconds = chats
+        listSearchesDelayNanoseconds = searches
+    }
+
     func setGetChatDelay(_ delayNanoseconds: UInt64) {
         getChatDelayNanoseconds = delayNanoseconds
     }
@@ -122,6 +129,9 @@ private actor MockSybilClient: SybilAPIClienting {
 
     func listChats() async throws -> [ChatSummary] {
         snapshot.listChats += 1
+        if listChatsDelayNanoseconds > 0 {
+            try await Task.sleep(nanoseconds: listChatsDelayNanoseconds)
+        }
         return chatsResponse
     }
 
@@ -165,6 +175,9 @@ private actor MockSybilClient: SybilAPIClienting {
 
     func listSearches() async throws -> [SearchSummary] {
         snapshot.listSearches += 1
+        if listSearchesDelayNanoseconds > 0 {
+            try await Task.sleep(nanoseconds: listSearchesDelayNanoseconds)
+        }
         return searchesResponse
     }
 
@@ -383,6 +396,33 @@ private func makeSearchDetail(id: String, date: Date, answer: String) -> SearchD
     #expect(viewModel.selectedItem == .chat("chat-1"))
 }
 
+@MainActor
+@Test func pullToRefreshCompletesWhenRefreshableTaskIsCancelled() async throws {
+    let date = Date(timeIntervalSince1970: 1_700_000_050)
+    let chat = makeChatSummary(id: "chat-cancelled", date: date)
+    let search = makeSearchSummary(id: "search-cancelled", date: date)
+    let client = MockSybilClient(
+        chatsResponse: [chat],
+        searchesResponse: [search]
+    )
+    await client.setListDelays(chats: 50_000_000, searches: 50_000_000)
+    let viewModel = SybilViewModel(settings: testSettings(named: #function)) { _ in client }
+    viewModel.isAuthenticated = true
+    viewModel.isCheckingSession = false
+
+    let refreshTask = Task {
+        await viewModel.refreshSidebarCollectionsFromPullToRefresh()
+    }
+    try await Task.sleep(nanoseconds: 10_000_000)
+    refreshTask.cancel()
+    await refreshTask.value
+
+    #expect(viewModel.errorMessage == nil)
+    #expect(!viewModel.isLoadingCollections)
+    #expect(viewModel.chats.map(\.id) == ["chat-cancelled"])
+    #expect(viewModel.searches.map(\.id) == ["search-cancelled"])
+}
+
 @MainActor
 @Test func foregroundChatRefreshReloadsSelectedTranscript() async throws {
     let date = Date(timeIntervalSince1970: 1_700_000_100)