- Fix duplicate logging in multi-worker mode with file lock for cleanup scheduler
- Add Pydantic V2 model_config to suppress protected_namespaces warning
- Suppress PaddlePaddle ccache warnings
- Fix admin.py using non-existent User.username (now uses email)
- Fix get_user_stats to exclude soft-deleted tasks from statistics
- Fix create_task to exclude soft-deleted tasks from user limit check
- Change LOG_LEVEL default to INFO
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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