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/shell-quote/test/set.js

@@ -0,0 +1,31 @@
+'use strict';
+
+var test = require('tape');
+var parse = require('../').parse;
+
+test('set env vars', function (t) {
+	t.same(
+		parse('ABC=444 x y z'),
+		['ABC=444', 'x', 'y', 'z']
+	);
+	t.same(
+		parse('ABC=3\\ 4\\ 5 x y z'),
+		['ABC=3 4 5', 'x', 'y', 'z']
+	);
+	t.same(
+		parse('X="7 8 9" printx'),
+		['X=7 8 9', 'printx']
+	);
+	t.same(
+		parse('X="7 8 9"; printx'),
+		['X=7 8 9', { op: ';' }, 'printx']
+	);
+	t.same(
+		parse('X="7 8 9"; printx', function () {
+			t.fail('should not have matched any keys');
+		}),
+		['X=7 8 9', { op: ';' }, 'printx']
+	);
+
+	t.end();
+});