- Add main.nf as WES entry point with PVC-based paths
- Update nextflow.config with k8s/k8s_gpu profiles (eureka-pvc)
- Update params.json defaults to /omic/eureka/digital-patients/ paths
- Remove stageInMode 'copy' from corto and vcf2prot for k8s compat
- Add reassemble.nf for one-time chunk reassembly on PVC
