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/cssstyle/lib/properties/backgroundImage.js

@@ -0,0 +1,31 @@
+"use strict";
+
+const parsers = require("../parsers");
+
+module.exports.parse = function parse(v) {
+  return parsers.parseImage(v);
+};
+
+module.exports.isValid = function isValid(v) {
+  if (v === "" || typeof parsers.parseKeyword(v, ["none"]) === "string") {
+    return true;
+  }
+  return typeof module.exports.parse(v) === "string";
+};
+
+module.exports.definition = {
+  set(v) {
+    v = parsers.prepareValue(v, this._global);
+    if (parsers.hasVarFunc(v)) {
+      this._setProperty("background", "");
+      this._setProperty("background-image", v);
+    } else {
+      this._setProperty("background-image", module.exports.parse(v));
+    }
+  },
+  get() {
+    return this.getPropertyValue("background-image");
+  },
+  enumerable: true,
+  configurable: true
+};