refactor(test): share docker e2e shell helpers

scripts/lib/docker-e2e-logs.sh

@@ -1,16 +1,30 @@
 #!/usr/bin/env bash
+#
+# Shared logging helpers for shell-based Docker E2E lanes.
+# They centralize temporary log naming and the small success/failure print
+# pattern used by Docker scenario scripts.
 
 run_logged() {
   local label="$1"
   shift
   local log_file
-  local tmp_dir="${TMPDIR:-/tmp}"
-  tmp_dir="${tmp_dir%/}"
-  log_file="$(mktemp "$tmp_dir/openclaw-${label}.XXXXXX")"
+  log_file="$(docker_e2e_run_log "$label")"
   if ! "$@" >"$log_file" 2>&1; then
-    cat "$log_file"
+    docker_e2e_print_log "$log_file"
     rm -f "$log_file"
     return 1
   fi
   rm -f "$log_file"
 }
+
+docker_e2e_run_log() {
+  local label="$1"
+  local tmp_dir="${TMPDIR:-/tmp}"
+  tmp_dir="${tmp_dir%/}"
+  mktemp "$tmp_dir/openclaw-${label}.XXXXXX"
+}
+
+docker_e2e_print_log() {
+  local log_file="$1"
+  cat "$log_file"
+}