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/collect.js/src/methods/diffUsing.js

@@ -0,0 +1,9 @@
+'use strict';
+
+module.exports = function diffUsing(values, callback) {
+  const collection = this.items.filter(item => (
+    !(values && values.some(otherItem => callback(item, otherItem) === 0))
+  ));
+
+  return new this.constructor(collection);
+};