504-frameworks-micronaut-security

# Micronaut Security Guidelines Apply Micronaut security best practices with secure-by-default API boundaries. **What is covered in this Skill?** - Micronaut security configuration and authentication setup - Authorization with @Secured and role-based policies - Endpoint and route protection strategy - Least-privilege design and policy boundaries - Secure error/denial behavior - Sensitive data handling in logs and responses **Scope:** Apply recommendations based on the reference rules and good/bad examples. ## Constraints Before applying security changes, ensure the project compiles. After improvements, run full verification. - **MANDATORY**: Run `./mvnw compile` or `mvn compile` before applying any change - **SAFETY**: If compilation fails, stop immediately - **VERIFY**: Run `./mvnw clean verify` or `mvn clean verify` after applying improvements - **BEFORE APPLYING**: Read the reference for detailed rules and examples ## When to use this skill - Add Micronaut security support - Review Micronaut security configuration - Improve API authorization in Micronaut - Add JWT security in Micronaut - Harden Micronaut route authorization rules - Implement @Secured policies in Micronaut controllers ## Workflow 1. **Read reference and assess project context** Read `references/504-frameworks-micronaut-security.md` and inspect the current project setup before proposing changes. 2. **Gather scope and decide target improvements** Identify requested outcomes, constraints, and the minimum safe set of changes to apply. 3. **Apply framework-aligned changes** Implement or refactor security-related configuration/code following the reference patterns and project conventions. 4. **Run verification and report results** Execute appropriate build/tests and summarize what changed, what was verified, and any follow-up actions. ## Reference For detailed guidance, examples, and constraints, see [references/504-frameworks-micronaut-security.md](references/504-frameworks-micronaut-security.md).