Add pre-training audit scripts, OpenEnv manifest, and tune Parlay training/env (GRPO 1.5B default, min-reward filters, weighted data gen, hiring ZOPA+drift, veteran/opponent prompts, Docker/docs)

fix: resolve WebSocket HTTP 403 on OpenEnv env server

feat: streamline parlay for demo mode and add spectator negotiation mechanics

fix: fixed UI bugs, keyless testing initiated

build: add Windows PowerShell setup scripts and fix venv paths for Windows development

feat: project setup