Update app.py

Update app.py

fix: use full git clone for LTX-2 (shallow clone cannot fetch by SHA)

fix: restore ae855f8 commit pin with shallow clone, keep GPU duration at 100/60

fix: use latest LTX-2 main instead of pinned old commit to fix black video output

fix: disable enhance_prompt by default to prevent dark/garbage output

fix: truncate prompt to 500 chars to prevent Gemma token overflow (1087>1024)

feat: switch to A100 dedicated GPU, extend timeout to 600s

fix: pin LTX-2 to compatible commit ae855f8 + add HF token for Gemma

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Update app.py (#7)

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Update app.py (#5)

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Update app.py (#4)

No CUDA GPUs fix attempt (#3)

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Update app.py (#2)

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Update app.py

Update app.py

Update app.py

Update app.py