Update requirements.txt

requirements.txt

@@ -1,33 +1,39 @@
-# Core AI / ML
-torch>=2.0.0
-transformers>=4.38.0
-sentence-transformers>=2.6.0
-numpy>=1.24.0
+# -------------------------
+# Core ML
+# -------------------------
+torch==2.1.2
+transformers==4.38.2
+sentence-transformers==2.6.1
+numpy==1.26.4
 
-# Vector Database
-chromadb>=0.4.24
+# -------------------------
+# Vector DB
+# -------------------------
+chromadb==0.4.24
 
-# LangChain (MODERN SPLIT PACKAGES)
-# LangChain (STABLE, PRE-SPLIT)
+# -------------------------
+# LangChain (OLD, STABLE)
+# -------------------------
 langchain==0.0.354
+langchain-google-genai==0.0.8
 
-langchain-core>=0.1.45
-langchain-community>=0.0.34
-langchain-google-genai>=0.0.11
-
-# API Framework
-fastapi>=0.110.0
-uvicorn[standard]>=0.29.0
-websockets>=12.0
-pydantic>=2.6.0
+# -------------------------
+# API
+# -------------------------
+fastapi==0.110.0
+uvicorn[standard]==0.29.0
+websockets==12.0
+pydantic==1.10.13
 
+# -------------------------
 # Firebase
-firebase-admin>=6.4.0
-
-# Utilities
-requests>=2.31.0
-python-multipart>=0.0.9
-python-dotenv>=1.0.1
+# -------------------------
+firebase-admin==6.4.0
 
-# Production (HF compatible)
-gunicorn>=21.2.0
+# -------------------------
+# Utils
+# -------------------------
+requests==2.31.0
+python-multipart==0.0.9
+python-dotenv==1.0.1
+gunicorn==21.2.0