feat: add multiplayer capture vertical slice

devtools/blockbench-mcp/scripts/test.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(CDPATH= cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd -P)"
+# shellcheck source=lib.sh
+source "${SCRIPT_DIR}/lib.sh"
+
+require_command git
+require_command pnpm
+
+stage_parent="$(make_stage_parent)"
+trap 'safe_remove_stage "${stage_parent}"' EXIT
+source_dir="${stage_parent}/source"
+
+prepare_source "${source_dir}"
+run_bun install --cwd "${source_dir}" --frozen-lockfile
+run_bun test --cwd "${source_dir}"
+run_bun run --cwd "${source_dir}" build
+
+bundle="${source_dir}/dist/mcp.js"
+[[ -f "${bundle}" ]] || {
+  printf 'Build-Artefakt fehlt: %s\n' "${bundle}" >&2
+  exit 1
+}
+
+for forbidden_network_marker in 'https://cdn.jsdelivr.net' 'fetch('; do
+  if grep -Fq "${forbidden_network_marker}" "${bundle}"; then
+    printf 'Unerwarteter Netzwerkmarker im Build: %s\n' "${forbidden_network_marker}" >&2
+    exit 1
+  fi
+done
+
+printf 'Blockbench-MCP: Tests und Build erfolgreich.\n'