Update requirements.txt

requirements.txt

@@ -1,9 +1,19 @@
-fastapi==0.109.0
-uvicorn[standard]==0.27.0
-python-multipart==0.0.6
-pydantic==2.5.3
-transformers>=4.35.0
-torch>=2.0.0
-Pillow>=10.0.0
-numpy>=1.24.0
-python-jose[cryptography]==3.3.0
+# Use CPU-only PyTorch (critical for HF Spaces)
+--extra-index-url https://download.pytorch.org/whl/cpu
+
+# Web / serving (only needed if actually used)
+fastapi>=0.109
+uvicorn[standard]>=0.27
+python-multipart>=0.0.6
+
+# Core ML stack
+torch==2.2.2+cpu
+transformers>=4.35
+Pillow>=10.0
+numpy>=1.24
+
+# Validation / typing (3.11-compatible wheels exist)
+pydantic>=2.7,<3
+
+# Auth / crypto
+python-jose[cryptography]>=3.3.0