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/regexpu-core/rewrite-pattern.d.ts

@@ -0,0 +1,17 @@
+declare module "regexpu-core" {
+  export type RegexpuOptions = {
+    unicodeFlag?: "transform" | false;
+    unicodeSetsFlag?: "transform" | false;
+    dotAllFlag?: "transform" | false;
+    unicodePropertyEscapes?: "transform" | false;
+    namedGroups?: "transform" | false;
+    onNamedGroup?: (name: string, index: number) => void;
+    modifiers?: "transform" | false | "parse";
+    onNewFlags?: (flags: string) => void;
+  };
+  export default function rewritePattern(
+    pattern: string,
+    flags: string,
+    options: RegexpuOptions | undefined
+  ): string;
+}