fix: update command on docs and logic (#4946)

openclaw/vitest.config.ts

@@ -1,6 +1,10 @@
 import { defineConfig } from "vitest/config";
+import pkg from "./package.json";
 
 export default defineConfig({
+  define: {
+    __OPENCLAW_PLUGIN_VERSION__: JSON.stringify(pkg.version),
+  },
   test: {
     alias: {
       // OpenClaw SDK modules are resolved from the gateway at runtime.