feat: enhance reward configuration management with new logging functions, add parallel Modal training guidelines to documentation, and improve reward config hashing for deterministic behavior

feat: enhance scenario authoring and caching mechanisms, update action submission terminology, and improve reward configuration for CyberSecurity_OWASP environment

feat: add cybersecurity-owasp-trainer skill with reference notes and update AGENTS.md documentation

docs: add initial project brief and architecture documentation for CyberSecurity_OWASP environment