Fix CI: remove openra_env dependency from get_agent_fn

Revert "Fix CI: import scoring from evaluate_runner instead of openra_rl_util"

Fix CI: import scoring from evaluate_runner instead of openra_rl_util

Add upload form, API endpoint, 5 difficulty tiers, real game data

Connect evaluation harness to HF-hosted OpenRA-RL environment

Fix scoring dedup, add test suite, wire openra-rl-util

Revert "Fix scoring dedup, add test suite, wire openra-rl-util"

Fix scoring dedup, add test suite, wire openra-rl-util

Add OpenRA-Bench leaderboard, evaluation harness, and rubrics