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/esm/classPrivateFieldSet.js

@@ -0,0 +1,7 @@
+import classApplyDescriptorSet from "./classApplyDescriptorSet.js";
+import classPrivateFieldGet2 from "./classPrivateFieldGet2.js";
+function _classPrivateFieldSet(e, t, r) {
+  var s = classPrivateFieldGet2(t, e);
+  return classApplyDescriptorSet(e, s, r), r;
+}
+export { _classPrivateFieldSet as default };