feat: skill expansion — browser, security, SQL, files (16 skills total)

Novas skills instaladas:
- openclaw-agent-browser   v1.0.0  CLI Chromium — navegação, login, screenshots, state
- skill-security-audit    v1.0.0  SAST scanning, prompt injection, secrets audit
- sql-toolkit             v1.0.0  PostgreSQL/MySQL/SQLite — schema, query, otimização
- file                    v1.0.0  Organização de arquivos por contexto
- file-summary            v1.0.0  Extração e resumo de PDFs, Word, Excel

Workspace expandido:
- TOOLS.md: +Browser automation, Security audit, SQL, File management
- AGENTS.md: +Linux Analyst section (comandos, logs, rede, scripts) + Full-stack strategy
- MEMORY.md: 16 skills indexadas, stack map, comandos Linux ref
- SESSION-STATE.md: atualizado com contexto completo
- lock.json: sincronizado com 16 skills instaladas

skills/xcloud-docker-deploy/references/xcloud-native-php.md

@@ -0,0 +1,44 @@
+# xCloud Native PHP Deployment
+
+## Repository Setup
+
+Web root: xCloud serves from `public/` by default.
+
+Required files:
+```
+your-repo/
+├── public/
+│   └── index.php
+├── .env.example
+└── ...
+```
+
+.env.example:
+```env
+APP_ENV=production
+DB_HOST=
+DB_DATABASE=
+DB_USERNAME=
+DB_PASSWORD=
+```
+
+## xCloud UI Steps
+
+1. Server → New Site → PHP tab
+2. Connect Git repo
+3. PHP version: 7.4, 8.0, 8.1, 8.2, or 8.3
+4. Web root: `public` (or `/` if serving from root)
+5. Add environment variables
+6. Deploy hooks (if using Composer):
+   ```bash
+   composer install --no-dev --optimize-autoloader
+   ```
+7. Click Deploy
+
+## Common Issues
+
+| Issue | Fix |
+|---|---|
+| 403 Forbidden | Check web root config |
+| Missing extensions | Use Docker path for custom extensions |
+| Composer errors | Ensure composer.json is committed, vendor/ in .gitignore |