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/svgo/plugins/removeEmptyText.js

@@ -0,0 +1,57 @@
+'use strict';
+
+const { detachNodeFromParent } = require('../lib/xast.js');
+
+exports.name = 'removeEmptyText';
+exports.type = 'visitor';
+exports.active = true;
+exports.description = 'removes empty <text> elements';
+
+/**
+ * Remove empty Text elements.
+ *
+ * @see https://www.w3.org/TR/SVG11/text.html
+ *
+ * @example
+ * Remove empty text element:
+ * <text/>
+ *
+ * Remove empty tspan element:
+ * <tspan/>
+ *
+ * Remove tref with empty xlink:href attribute:
+ * <tref xlink:href=""/>
+ *
+ * @author Kir Belevich
+ *
+ * @type {import('../lib/types').Plugin<{
+ *   text?: boolean,
+ *   tspan?: boolean,
+ *   tref?: boolean
+ * }>}
+ */
+exports.fn = (root, params) => {
+  const { text = true, tspan = true, tref = true } = params;
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        // Remove empty text element
+        if (text && node.name === 'text' && node.children.length === 0) {
+          detachNodeFromParent(node, parentNode);
+        }
+        // Remove empty tspan element
+        if (tspan && node.name === 'tspan' && node.children.length === 0) {
+          detachNodeFromParent(node, parentNode);
+        }
+        // Remove tref with empty xlink:href attribute
+        if (
+          tref &&
+          node.name === 'tref' &&
+          node.attributes['xlink:href'] == null
+        ) {
+          detachNodeFromParent(node, parentNode);
+        }
+      },
+    },
+  };
+};