Delete all_tasks_with_grading.json

Add all_tasks_clean.json (no difficulty/weights/_original_grading_type, category_v2 -> category)

Update all_tasks_with_grading.json with latest 184 tasks

Add baseline qcow2 (michael_scott persona)

Refresh SHA256SUMS to include task JSON

Add 184 evaluation tasks with grading rubrics

Add Docker-native tier image (michael_scott persona)

Add SHA256 checksums

initial commit