Fix graph visibility: bigger text, higher contrast, boxed annotations

Remove $0 compute — app.py

Fix broken citation link

Honest labeling: Environment Simulator, not fake LLM demo

🔬 Add interactive audit simulator - live demo for judges

🚀 Complete UI rewrite: 200-step data, eval results, premium theme

feat: SynthAudit.Env dashboard — GRPO training, benchmarks, architecture