Soften training data verbiage: posters are repository-labeled, not verified

Add config.json for HuggingFace download tracking

Updated README with logo, pipeline diagram, related models, grant acknowledgment

Add PosterSentry logo

Upload pyproject.toml with huggingface_hub

Upload scripts/train_poster_sentry.py with huggingface_hub

Upload src/poster_sentry/classifier.py with huggingface_hub

Upload src/poster_sentry/__init__.py with huggingface_hub

Upload src/poster_sentry/features.py with huggingface_hub

Upload models/poster_sentry_head.npz with huggingface_hub

Upload README.md with huggingface_hub

initial commit