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/isobject/index.js

@@ -0,0 +1,12 @@
+/*!
+ * isobject <https://github.com/jonschlinkert/isobject>
+ *
+ * Copyright (c) 2014-2017, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function isObject(val) {
+  return val != null && typeof val === 'object' && Array.isArray(val) === false;
+};