manifest: per-case treatment_status

add case-007 and case-008 (post-treatment VS_0030, VS_0126); manifest updated

add case-005 and case-006 (VS_0214, VS_0232 pipelines); manifest updated

development_example: decouple from the real development case; illustrative fictional volumes only

de-leak development_example.json (remove reader selections)

add development_example.json

Upload folder using huggingface_hub

initial commit