revert: restore original ZeroGPU duration

chore: raise ZeroGPU duration reserve

card: name only

fp16 weights, declared duration 90/45 -> 30

fix: remove preload_from_hub (private repos unsupported, breaks startup)

feat: add preload_from_hub for faster cold starts

vendored mmaudio + weights from our own namespace + explicit api_names

vendored mmaudio + weights from our own namespace + explicit api_names

initial commit