Work>review and tool panes; panes re-sync their size; the Work pane follows the Board again

tui/main.go

@@ -80,11 +80,9 @@ func main() {
 		if dir == "" {
 			dir, _ = os.Getwd()
 		}
-		issue := *issue
-		if issue == "" {
-			issue = watchedTask(dir)
-		}
-		m = newWorkModel(client, dir, issue)
+		// Pass the flag, not a resolved task: an empty flag means "follow the
+		// task chosen on the Board", and resolving it here would pin the pane.
+		m = newWorkModel(client, dir, *issue)
 
 	case "tree":
 		proj, err := client.ResolveProject(*project)