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/dotenv-expand/index.d.ts

@@ -0,0 +1,15 @@
+export = dotenv_expand;
+
+interface DotenvResult {
+    error?: Error;
+    parsed?: {
+        [name: string]: string;
+    };
+}
+
+declare function dotenv_expand(config: DotenvResult): DotenvResult;
+
+declare namespace dotenv_expand {
+    const prototype: {
+    };
+}