openclaw: default to English and add basic auth

- Patch app source at startup to change default language from zh to en
- Add basicAuth (ironmagma) to nginx vhost for claw.quineglobal.com

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

nixos/arion-openclaw/arion-compose.nix

@@ -35,6 +35,9 @@
               sed -i "s|OPENCLAW_HOME=.*|OPENCLAW_HOME=/root/.openclaw|" .env
               sed -i "s|PORT=.*|PORT=4310|" .env
             fi
+            sed -i 's/resolveUiLanguage(url.searchParams, "zh")/resolveUiLanguage(url.searchParams, "en")/g' src/ui/server.ts
+            sed -i 's/hasExplicitLanguage ? resolvedLanguage : "zh"/hasExplicitLanguage ? resolvedLanguage : "en"/g' src/ui/server.ts
+            sed -i 's/language: "zh",/language: "en",/g' src/runtime/ui-preferences.ts
             npm install
             npm run build
             exec npm run dev:ui

nixos/nginx.nix

@@ -56,6 +56,7 @@
         enableACME = true;
         forceSSL = false;
         addSSL = true;
+        basicAuthFile = "/var/openclaw/htpasswd";
 
         locations."/" = {
           proxyPass = "http://127.0.0.1:4310/";