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/rollup/dist/es/parseAst.js

@@ -0,0 +1,12 @@
+/*
+  @license
+	Rollup.js v4.50.2
+	Mon, 15 Sep 2025 07:13:55 GMT - commit 76a3b8ede4729a71eb522fc29f7d550a4358827b
+
+	https://github.com/rollup/rollup
+
+	Released under the MIT License.
+*/
+import '../native.js';
+export { parseAst, parseAstAsync } from './shared/parseAst.js';
+import 'node:path';