Fix bin/publish: copy docs.dist from project root

Fix bin/publish: use correct .env path for rspade_system
Fix bin/publish script: prevent grep exit code 1 from terminating script

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

node_modules/fs-extra/lib/remove/index.js

@@ -0,0 +1,22 @@
+'use strict'
+
+const fs = require('graceful-fs')
+const u = require('universalify').fromCallback
+const rimraf = require('./rimraf')
+
+function remove (path, callback) {
+  // Node 14.14.0+
+  if (fs.rm) return fs.rm(path, { recursive: true, force: true }, callback)
+  rimraf(path, callback)
+}
+
+function removeSync (path) {
+  // Node 14.14.0+
+  if (fs.rmSync) return fs.rmSync(path, { recursive: true, force: true })
+  rimraf.sync(path)
+}
+
+module.exports = {
+  remove: u(remove),
+  removeSync
+}