Fix invalid rewards and Space query guards

final phase 2 task score normalization

clamp score breakdown components to strict open interval

clamp terminal task scores and avoid 1.000 display rounding

clamp grader outputs to strict score range

final fix for phase 2 stdout score range

final local fixes

make reset and step accept empty POST bodies

add OpenEnv API endpoints for validation

Update README.md

Update README.md

Update README with OpenEnv validation and usage steps

add openenv validation proof

Update requirements.txt

Update requirements.txt

Update README.md

Update README.md

final hackathon submission

Meta hackathon submission