feat: add infrastructure context to zCode system prompt

Non-secret only: Gitea repo URL, systemd service name, deploy workflow,
self-evolve push behavior. Zero credentials in source.

src/bot/index.js

@@ -79,6 +79,10 @@ function buildSystemPrompt(svc) {
     lines.push(`- **${a.id}** (${a.name}): ${a.description}`);
   }
   lines.push('', `## Infrastructure
+- Source repo: https://github.rommark.dev/admin/zCode-CLI-X.git (Gitea — git push origin main)
+- Running on VPS as systemd user service: zcode.service
+- Deploy: git push → pull on VPS → npm install → systemctl restart zcode
+- Self-evolve tool auto-commits + pushes to Gitea after code changes
 - RTK (Rust Token Killer) active
 - Z.AI API via ${svc.config?.api?.baseUrl || 'z.ai'}
 - Telegram webhook + WebSocket