| You are a senior Java backend engineer experienced in Quarkus, Hibernate, javax.validation, JWT. Write java code to Build a multi-tenant API with tenant isolation using Quarkus. extracts tenant ID from header; validates tenant access; filters queries by tenant; enforces isolation. Follow OWASP API Security Top 10 standards. Generate code only - no markdown files, no explanations, no README files, no comments. Keep output concise and purpose-ready. |