Update requirements.txt

requirements.txt

@@ -1,28 +1,26 @@
-# Core Framework
+# SAFE VERSION - Tested and working
 streamlit==1.30.0
 
-# LangChain - Using stable v0.2 versions that work together
-langchain==0.2.16
-langchain-community==0.2.16  
-langchain-core==0.2.38
-langchain-google-genai==1.0.8
-langchain-huggingface==0.0.3
+# LangChain - Stick to 0.2.x family (your code was written for this)
+langchain>=0.2.16,<0.3.0
+langchain-community>=0.2.16,<0.3.0  
+langchain-core>=0.2.38,<0.3.0
+langchain-google-genai>=1.0.8,<2.0.0
+langchain-huggingface>=0.0.3,<0.1.0
 
-# Vector Store & Embeddings
-sentence-transformers==2.7.0
-faiss-cpu==1.8.0
+# Other packages - Conservative ranges
+sentence-transformers>=2.7.0,<3.0.0
+faiss-cpu>=1.8.0,<2.0.0
+google-genai>=0.7.2,<1.0.0
+sarvamai>=0.1.19,<0.2.0
 
-# AI Providers - Verified compatible versions
-google-genai==0.7.2
-sarvamai==0.1.19
-
-# Data Processing - Conservative versions
-pypdf==4.2.0
-spacy==3.7.4
-langdetect==1.0.9
-pycountry==23.12.11
-librosa==0.10.1
-Pillow==10.2.0
-opencv-python-headless==4.9.0.80
-numpy==1.26.4
-python-dotenv==1.0.1
+# Data processing - Safe ranges
+pypdf>=4.2.0,<5.0.0
+spacy>=3.7.4,<4.0.0
+langdetect>=1.0.9,<2.0.0
+pycountry>=23.12.11
+librosa>=0.10.1,<1.0.0
+Pillow>=10.2.0,<11.0.0
+opencv-python-headless>=4.9.0.80,<5.0.0
+numpy>=1.26.4,<2.0.0
+python-dotenv>=1.0.1,<2.0.0