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README.md

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-title: Alpha Deploy
-emoji: 💬
-colorFrom: yellow
-colorTo: purple
-sdk: gradio
-sdk_version: 5.42.0
-app_file: app.py
-pinned: false
-hf_oauth: true
-hf_oauth_scopes:
-- inference-api
-license: mit
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-
-An example chatbot using [Gradio](https://gradio.app), [`huggingface_hub`](https://huggingface.co/docs/huggingface_hub/v0.22.2/en/index), and the [Hugging Face Inference API](https://huggingface.co/docs/api-inference/index).
+Askstein — Hybrid RAG for Ortho Biomech
+
+Grounded Q&A on musculoskeletal CT/QCT structural rigidity (EA, EI, GJ) and related FE topics.
+
+Pipeline: FAISS → PubMed → Wikipedia → LLM fallback (guarded).
+
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+Use
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+Enter first and last name.
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+Ask your question.
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+Rate the answer (1–5) and optionally comment.
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+How it works
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+FAISS retrieves curated biomechanics chunks (PubMedBERT embeddings).
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+If weak/off-topic → PubMed abstracts → if empty → Wikipedia.
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+If still empty → LLM fallback (ungrounded) with “no fake refs” guard.
+