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

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Co-Authored-By: Claude <noreply@anthropic.com>

node_modules/@babel/runtime/helpers/assertClassBrand.js

@@ -0,0 +1,5 @@
+function _assertClassBrand(e, t, n) {
+  if ("function" == typeof e ? e === t : e.has(t)) return arguments.length < 3 ? t : n;
+  throw new TypeError("Private element is not present on this object");
+}
+module.exports = _assertClassBrand, module.exports.__esModule = true, module.exports["default"] = module.exports;