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/php-parser/src/ast/cast.js

@@ -0,0 +1,28 @@
+/**
+ * Copyright (C) 2018 Glayzzle (BSD3 License)
+ * @authors https://github.com/glayzzle/php-parser/graphs/contributors
+ * @url http://glayzzle.com
+ */
+"use strict";
+
+const Operation = require("./operation");
+const KIND = "cast";
+
+/**
+ * Binary operations
+ * @constructor Cast
+ * @memberOf module:php-parser
+ * @extends {Operation}
+ * @property {String} type
+ * @property {String} raw
+ * @property {Expression} expr
+ */
+module.exports = Operation.extends(
+  KIND,
+  function Cast(type, raw, expr, docs, location) {
+    Operation.apply(this, [KIND, docs, location]);
+    this.type = type;
+    this.raw = raw;
+    this.expr = expr;
+  },
+);