Add Away mode and an agent fork tool

mac/Sources/Byre/ByreApp.swift

@@ -68,6 +68,7 @@ struct ByreApp: App {
             ServerWindow()
         }
         .defaultSize(width: 1280, height: 820)
+        .windowToolbarStyle(.unifiedCompact)
         .restorationBehavior(.disabled)
         .defaultLaunchBehavior(.presented)
         .commands {

mac/Sources/Byre/Chat.swift

@@ -1619,7 +1619,7 @@ private struct SnapshotRow: View {
             .buttonStyle(SmallLinkButtonStyle())
             .disabled(forking)
             .help("Start a new task from this snapshot, its agent continuing the conversation as it stood here")
-            if snap.trigger != .answer {
+            if ![.answer, .fork].contains(snap.trigger) {
                 reviewButton
             }
             Rectangle().fill(Palette.border).frame(height: 1)

mac/Sources/Byre/MergeDialog.swift

@@ -160,7 +160,7 @@ private func reviewWarnings(_ taskId: String, _ store: Store, _ leave: @escaping
     async let snapsCall = client.listSnapshots(path: .init(taskId: taskId)).ok.body.json
     async let reviewsCall = client.listReviews(path: .init(taskId: taskId)).ok.body.json
     let (snaps, reviews) = try await (snapsCall, reviewsCall)
-    guard let latest = snaps.last(where: { $0.trigger != .answer }) else {
+    guard let latest = snaps.last(where: { ![.answer, .fork].contains($0.trigger) }) else {
         return ([MergeWarning(text: "These changes haven't been reviewed")], false)
     }
     var items: [MergeWarning] = []

mac/Sources/Byre/Startup.swift

@@ -494,12 +494,56 @@ struct ServerPicker: View {
             .padding(.horizontal, 8)
             .padding(.vertical, 3)
             .help("Add Server")
+            AwayToggle()
         }
         .font(Fonts.font(13))
         .fixedSize()
     }
 }
 
+private struct AwayToggle: View {
+    @ViewState private var hover = false
+    @ViewState private var busy = false
+
+    var body: some View {
+        let stores = Servers.shared.origins.compactMap { Servers.shared.connections[$0]?.store }
+        let away = stores.contains { $0.me?.away == true }
+        if !stores.isEmpty {
+            Button {
+                set(!away, stores)
+            } label: {
+                Text("Away")
+                    .foregroundStyle(away ? Palette.accent : hover ? Palette.text : Palette.muted)
+                    .padding(.horizontal, 8)
+                    .padding(.vertical, 3)
+                    .background(away ? Palette.accentTint : .clear, in: RoundedRectangle(cornerRadius: 6))
+                    .contentShape(Rectangle())
+            }
+            .buttonStyle(.plain)
+            .disabled(busy)
+            .padding(.leading, 8)
+            .help(away
+                ? "You're away: byre answers your agents' questions at once, telling them to pick the most likely answer. Click when you're back."
+                : "Go away: byre answers your agents' questions at once, telling them to pick the most likely answer, on every server")
+            .onHover { hover = $0 }
+        }
+    }
+
+    private func set(_ away: Bool, _ stores: [Store]) {
+        busy = true
+        Task {
+            for store in stores {
+                do {
+                    store.me = try await store.api.client.updateAway(body: .json(.init(away: away))).ok.body.json
+                } catch {
+                    log.error("set away: \(errorText(error), privacy: .public)")
+                }
+            }
+            busy = false
+        }
+    }
+}
+
 private struct ServerChip: View {
     let origin: String
     @ViewState private var hover = false

mac/Sources/Byre/Store.swift

@@ -624,7 +624,7 @@ final class Store {
                 try await self.loadProjects()
             }
         case "task.created", "task.merge_title", "task.merge_queued", "task.merge_unqueued", "task.merge_after_review", "task.merge_after_review_ended", "task.merge_after_review_cancelled", "task.parent_merge_started", "task.parent_merge_stopped", "task.merge_started", "task.merge_ended", "task.discard_started", "task.merged", "task.discarded", "task.state", "task.ready", "task.discard_suggested", "snapshot.created":
-            if let taskId = ev.taskId, ["task.merged", "task.discarded"].contains(ev.kind) || (ev.kind == "snapshot.created" && str(ev.payload.value, "trigger") != "answer") {
+            if let taskId = ev.taskId, ["task.merged", "task.discarded"].contains(ev.kind) || (ev.kind == "snapshot.created" && !["answer", "fork"].contains(str(ev.payload.value, "trigger"))) {
                 clearTask(self, taskId)
             }
             notifyTask(self, ev)

mac/Sources/Byre/TranscriptBuilder.swift

@@ -467,7 +467,7 @@ final class TranscriptBuilder {
                 let snap = try! decodePayload(ev.payload, as: Snapshot.self)
                 let row = Row(.snapshot(snap), taskId: taskId)
                 ctx.reviewButtons[snap.n] = row
-                if snap.trigger != .answer && sink == nil {
+                if ![.answer, .fork].contains(snap.trigger) && sink == nil {
                     lastReady = nil
                 }
                 put(row)