Give each workflow run a parent task with no agent

mac/Sources/Byre/Panes.swift

@@ -195,7 +195,7 @@ private struct TaskPane: View {
 
     @ViewBuilder
     private var tabBody: some View {
-        switch store.focus.tab {
+        switch store.shownTab {
         case .transcript:
             ChatView(kind: .task(store.selectedTaskId))
                 .id("\(store.selectedTaskId ?? "")/\(store.selectedTaskId.flatMap { store.pickedMember($0) } ?? "")")
@@ -342,16 +342,19 @@ private struct TabStrip: View {
     }
 
     private func info() -> Info {
-        let tab = store.focus.tab
-        let workflow = store.selectedTaskId.flatMap { store.findTask($0) }?.workflowRun != nil
+        let tab = store.shownTab
+        let run = store.selectedTaskId.flatMap { store.findTask($0) }?.workflow != nil
         let team = store.selectedTaskId.map { !store.team($0).isEmpty } ?? false
         let order = taskTabs.filter { t in
+            if run {
+                return t == .workflow || t == .project
+            }
             if t == tab {
                 return true
             }
             switch t {
             case .board: return team
-            case .workflow: return workflow
+            case .workflow: return false
             default: return true
             }
         }