# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [Unreleased]
### Added
- **MCP Enhanced Logging** — Full MCP protocol-compliant structured logging
- RFC 5424 severity levels: debug, info, notice, warning, error, critical, alert, emergency
- Module-prefixed error codes (e.g., `DB_CONNECT_FAILED`, `AUTH_TOKEN_INVALID`)
- Structured log format: `[timestamp] [LEVEL] [MODULE] [CODE] message {context}`
- Module-scoped loggers via `logger.forModule()` and `logger.child()`
- Sensitive data redaction for OAuth 2.1 configuration fields
- Stack trace inclusion for error-level logs with sanitization
- Log injection prevention via control character sanitization
- Initial repository setup
- Project documentation (README, CONTRIBUTING, CODE_OF_CONDUCT, SECURITY)
- GitHub workflows (CodeQL, Dependabot)
- Issue and PR templates
