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

openclaw/tsup.config.ts

@@ -1,4 +1,5 @@
 import { defineConfig } from "tsup";
+import pkg from "./package.json";
 
 export default defineConfig({
   entry: ["index.ts", "fs-safe.ts"],
@@ -8,4 +9,7 @@ export default defineConfig({
   sourcemap: true,
   clean: true,
   external: [/^node:/, /^openclaw\//, "fs", "os", "path", "url", "readline", "module"],
+  define: {
+    __OPENCLAW_PLUGIN_VERSION__: JSON.stringify(pkg.version),
+  },
 });