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/postcss-merge-longhand/src/index.js

@@ -0,0 +1,23 @@
+'use strict';
+const processors = require('./lib/decl');
+/**
+ * @type {import('postcss').PluginCreator<void>}
+ * @return {import('postcss').Plugin}
+ */
+function pluginCreator() {
+  return {
+    postcssPlugin: 'postcss-merge-longhand',
+
+    OnceExit(css) {
+      css.walkRules((rule) => {
+        processors.forEach((p) => {
+          p.explode(rule);
+          p.merge(rule);
+        });
+      });
+    },
+  };
+}
+
+pluginCreator.postcss = true;
+module.exports = pluginCreator;