Update model card: badges, resources, and citation

Align model citation wording

Remove redundant Paper link from Resources (already in citation notice)

Add cross-platform resource links (GitHub ↔ HF ↔ arXiv)

Add prominent citation notice at the top

Add arXiv badge and Citation section for visibility

Add arXiv citation: 2608.06975

Update pretrained hypermod README

Update hyper_lora SFT README

Update README; sync dataset ref to LongEvoRoleBench

Add files using upload-large-folder tool

initial commit