fix: pin package versions to avoid starlette 1.x/websockets 16/transformers 5.x breaking changes

requirements.txt

@@ -1,23 +1,34 @@
-torch
-transformers
-sentencepiece
-accelerate
-pandas
-numpy
-scikit-learn
-matplotlib
+# Core ML
+torch==2.2.0
+transformers==4.44.2
+sentencepiece==0.2.0
+accelerate==0.33.0
+
+# Data
+pandas==2.2.2
+numpy==1.26.4
+scikit-learn==1.5.1
+matplotlib==3.9.2
+
+# Jupyter (for notebooks only, safe to keep)
 jupyter
 notebook
 pyyaml
 tqdm
+
+# NLP utilities
 nltk
 sumy
 networkx
 rouge-score
 evaluate
-fastapi
-uvicorn[standard]
-pydantic
-python-multipart
-requests
+
+# Web framework - pinned to avoid starlette 1.x breaking changes
+fastapi==0.115.5
+uvicorn[standard]==0.32.1
+pydantic==2.9.2
+python-multipart==0.0.12
+requests==2.32.3
+
+# Data download
 kaggle