Update requirements.txt

requirements.txt

@@ -1,7 +1,21 @@
-flask
-transformers
-torch
-sentencepiece
-PyMuPDF
-protobuf
-sacremoses
+# Core Flask
+flask>=2.3.0
+
+# Translation model
+transformers>=4.35.0
+torch>=2.0.0
+sentencepiece>=0.1.99
+protobuf>=4.0.0
+
+# Text preprocessing
+sacremoses>=0.1.1
+
+# PDF extraction
+PyMuPDF>=1.23.0
+
+# COMETKiwi for confidence scoring
+unbabel-comet>=2.2.0
+
+# Additional dependencies for COMET
+scipy>=1.10.0
+numpy>=1.24.0