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/sass-loader/dist/SassError.js

@@ -0,0 +1,37 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+class SassError extends Error {
+  constructor(sassError) {
+    super();
+    this.name = "SassError"; // TODO remove me in the next major release
+
+    this.originalSassError = sassError;
+
+    if (typeof sassError.line !== "undefined" || typeof sassError.column !== "undefined") {
+      this.loc = {
+        line: sassError.line,
+        column: sassError.column
+      };
+    } // Keep original error if `sassError.formatted` is unavailable
+
+
+    this.message = `${this.name}: ${typeof this.originalSassError.message !== "undefined" ? this.originalSassError.message : this.originalSassError}`;
+
+    if (this.originalSassError.formatted) {
+      this.message = `${this.name}: ${this.originalSassError.formatted.replace(/^Error: /, "")}`; // Instruct webpack to hide the JS stack from the console.
+      // Usually you're only interested in the SASS stack in this case.
+
+      this.hideStack = true;
+      Error.captureStackTrace(this, this.constructor);
+    }
+  }
+
+}
+
+var _default = SassError;
+exports.default = _default;