feat(ui): support unlimited agents with scalable terminal grid and scrollable settings

fix(frontend): dynamically map multi-agent message streams in websocket hook and dashboard render

Add openenv-core dependency and server entry point

fix: add robust safety checks for agent.messages (fixes non-iterable crash)

fix: initialize all gameState collections and add defensive .includes() guards

fix: refactor useWebSocket state updates to use immutable patterns (fixes start crash)

fix: implement hybrid scoring (semantic + objective) and flexible grader

final: absolute sync of all resources for HF Space - timestamp 2026-04-07 22:35:46

initial clean push: N-A finalized build