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/handlebars/lib/handlebars/no-conflict.js

@@ -0,0 +1,23 @@
+/* global globalThis */
+export default function(Handlebars) {
+  /* istanbul ignore next */
+  // https://mathiasbynens.be/notes/globalthis
+  (function() {
+    if (typeof globalThis === 'object') return;
+    Object.prototype.__defineGetter__('__magic__', function() {
+      return this;
+    });
+    __magic__.globalThis = __magic__; // eslint-disable-line no-undef
+    delete Object.prototype.__magic__;
+  })();
+
+  const $Handlebars = globalThis.Handlebars;
+
+  /* istanbul ignore next */
+  Handlebars.noConflict = function() {
+    if (globalThis.Handlebars === Handlebars) {
+      globalThis.Handlebars = $Handlebars;
+    }
+    return Handlebars;
+  };
+}