Screens 2 and 3: new-task form, live log and diff; measured the merge gap they expose

bin/layout

@@ -5,7 +5,7 @@
 # cannot lose its first workspace. Each screen then gets a workspace named after
 # it, in this order. Running this again adopts what is already there.
 #
-#   bin/layout                       # the default project
+#   bin/layout                       # the default project and task
 #   bin/layout spike-2026-11-10 AUD-162
 set -euo pipefail
 
@@ -24,6 +24,8 @@ fi
 
 "$ROOT/bin/screen" tree "$project"
 "$ROOT/bin/screen" reply "$task"
+"$ROOT/bin/screen" new  "$project"
+"$ROOT/bin/screen" log  "$task"
 
 tuios list-workspaces -s "$SESSION" --json | python3 -c '
 import json,sys

bin/screen

@@ -24,8 +24,10 @@ BIN="$ROOT/bin/harness"
 screen="${1:-}"
 case "$screen" in
   tree)  args=(-screen tree -project "${2:-spike-2026-11-10}") ;;
+  new)   args=(-screen new -project "${2:-spike-2026-11-10}") ;;
+  log)   args=(-screen log -issue "${2:?log needs a task, for example AUD-160}") ;;
   reply) args=(-screen reply -issue "${2:?reply needs a task, for example AUD-162}") ;;
-  *) echo "usage: $(basename "$0") tree [project] | reply <task>" >&2; exit 2 ;;
+  *) echo "usage: $(basename "$0") tree|new [project] | reply|log <task>" >&2; exit 2 ;;
 esac
 
 if [ ! -x "$BIN" ] || [ -n "$(find "$ROOT/tui" -name '*.go' -newer "$BIN" -print -quit 2>/dev/null)" ]; then