fix(plugin-path): align packaged dir with plugin id to remove mismatch warning

docs/RELEASE.md

@@ -8,17 +8,17 @@ node scripts/package-plugin.mjs
 
 Output:
 
-- `dist/plugin/index.ts`
-- `dist/plugin/rules.ts`
-- `dist/plugin/openclaw.plugin.json`
-- `dist/plugin/README.md`
-- `dist/plugin/package.json`
+- `dist/whispergate/index.ts`
+- `dist/whispergate/rules.ts`
+- `dist/whispergate/openclaw.plugin.json`
+- `dist/whispergate/README.md`
+- `dist/whispergate/package.json`
 
 ## Use packaged plugin path
 
 Point OpenClaw `plugins.load.paths` to:
 
-`/absolute/path/to/WhisperGate/dist/plugin`
+`/absolute/path/to/WhisperGate/dist/whispergate`
 
 ## Verify package completeness