Add comprehensive gap analysis and 4-hour action plan for hackathon submission

Add randomized attacker, security metrics engine, and updated Gradio dashboard

Add episode metrics computation and HTML formatting for SentinelOps Arena

Replace HeuristicAttacker with RandomizedAttacker for probabilistic attacks

Improve Gradio UI layout with sidebar controls, sub-tabs, and styled score widgets

Revamp Gradio app with Gradio 6, custom cybersecurity theme, and rich visualizations

Remove hackathon_env template, rewrite train.py for SentinelOpsArena

Implement Phase 3 (HTTP server) and Phase 4 (demo + Gradio app)

Implement Phase 2: environment core with MCPEnvironment base

Implement Phase 1: models, enterprise systems, attacks, rewards

Refine build plan with devil's advocate corrections

Add phased build plan and setup guide for SentinelOps Arena

Update SentinelOps Arena with detailed 14-hour implementation plan

Add SentinelOps Arena project specification

Initial project setup for OpenEnv Hackathon