Documentation Skill — S3Mock

Read AGENTS.md (root + relevant module) before making changes.

Documentation Files

File	Audience	Purpose
`README.md`	End users	Usage, configuration, operations table
`CHANGELOG.md`	End users	Version history, breaking changes
`docs/TESTING.md`	Contributors / AI agents	Testing strategy, base classes, patterns, commands
`docs/KOTLIN.md`	Contributors / AI agents	Kotlin idioms, naming conventions, anti-patterns, KDoc
`docs/SPRING.md`	Contributors / AI agents	Spring Boot patterns, DI, controllers, exception handling
`docs/JAVA.md`	Contributors / AI agents	Java idioms, naming conventions, anti-patterns, Javadoc
`AGENTS.md` (root + modules)	AI agents	Architecture, conventions, guardrails
`.github/CONTRIBUTING.md`	Contributors	Dev setup, code reviews