Conservative duration=300s (5 min) + subprocess real

Subprocess architecture + JSON state (fix deadlock)

Fix: duration=900s (15 min) - maximo seguro ZeroGPU

Fix: ZeroGPU max duration 2400s (40 min) + chunks strategy

Refactor: añadir @spaces.GPU decorator (requerido por ZeroGPU)

Update README: sdk=gradio for ZeroGPU compatibility

Update requirements.txt

Add Gradio app.py for ZeroGPU

Switch to Gradio: remove train.py

Switch to Gradio: remove Dockerfile

Upload requirements.txt

Upload train.py

Upload Dockerfile

Upload README.md

initial commit