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/@nodelib/fs.scandir/out/providers/common.js

@@ -0,0 +1,13 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.joinPathSegments = void 0;
+function joinPathSegments(a, b, separator) {
+    /**
+     * The correct handling of cases when the first segment is a root (`/`, `C:/`) or UNC path (`//?/C:/`).
+     */
+    if (a.endsWith(separator)) {
+        return a + b;
+    }
+    return a + separator + b;
+}
+exports.joinPathSegments = joinPathSegments;