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/helpers/lib/helpers/defaults.js

@@ -0,0 +1,18 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = _defaults;
+function _defaults(obj, defaults) {
+  for (var keys = Object.getOwnPropertyNames(defaults), i = 0; i < keys.length; i++) {
+    var key = keys[i],
+      value = Object.getOwnPropertyDescriptor(defaults, key);
+    if (value && value.configurable && obj[key] === undefined) {
+      Object.defineProperty(obj, key, value);
+    }
+  }
+  return obj;
+}
+
+//# sourceMappingURL=defaults.js.map