Default to multi-agent mode on load

Run 3: Qwen2.5-0.5B GRPO 500 steps | reward 0.96→1.75 | conflict 0.375→0.1875 | dashboard chart | agents wired

add game mode files from remote

fix: use correct steps/seed per task on mode switch

debug max_steps + safety counter in runAllMulti

fix: await reset before runAllMulti loop

fix: auto-reset multi env when switching to multi-agent mode

auto-load easy task on page load

fix: rewards, conflict detection, training comparison panel

Merge branch 'main' into chathu01

feat: improve UI visualization and training evaluation with smooth transitions and before/after metrics

Fix: task difficulty counts, dashboard legend modal, training metrics, reward curve, /metrics/history endpoint

Setup project environment, fixed Python version issues, added venv, installed dependencies, and configured server execution

feat: implement dashboard UI and integrate uv dependency management

feat: LLM agent, Leaflet map, batch step, reward fix, inference all tasks