Use provider=auto instead of hardcoding novita

Fix broken tools surfaced by the 20% GAIA run's trace logs

Fix task_id/read_pdf bugs, upgrade model, tighten answer formatting for GAIA scoring

Update app.py

Update app.py

Update requirements.txt

Update requirements.txt

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Update app.py

Update app.py

Update requirements.txt

Update app.py

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Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update requirements.txt

Update app.py

Update app.py

Update app.py

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Update app.py

Update app.py

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Update app.py

Update app.py

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Update app.py

Update app.py

Update app.py

Update app.py

Update app.py

Update app.py