Update README.md

README.md

@@ -1,5 +1,5 @@
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-title: Cardiology ECG Assistant
+title: Cardiology ECG RAG Assistant
 emoji: ❤️
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@@ -9,13 +9,28 @@ app_file: app.py
 pinned: false
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-# Cardiology ECG Assistant
+# Cardiology ECG RAG Assistant
 
-This Space serves a LoRA-adapted cardiology / ECG chat model.
+This Space serves a fine-tuned LoRA cardiology/ECG model with FAISS-based retrieval.
 
 ## Required Space Variables
-- `BASE_MODEL`: Hugging Face repo ID of the base model
-- `ADAPTER_DIR`: Hugging Face repo ID of the LoRA adapter
+- `BASE_MODEL_REPO`
+- `ADAPTER_REPO`
+- `RAG_DATASET_REPO`
+
+## Optional Space Variables
+- `ALLOW_REBUILD_FROM_CSV` = `true` or `false`
+- `CSV_FILENAME`
+- `FAISS_FILENAME`
+- `META_FILENAME`
+- `CONFIG_FILENAME`
+- `TOP_K`
+- `SCORE_THRESHOLD`
+- `USE_SCORE_THRESHOLD`
+- `MAX_CONTEXT_CHARS`
+- `MAX_LEN`
+- `MAX_NEW_TOKENS`
+- `USE_4BIT`
 
 ## Optional Secret
-- `HF_TOKEN`: needed if the base model or adapter repo is gated/private
+- `HF_TOKEN`