Update requirements.txt

requirements.txt

@@ -1,11 +1,11 @@
-# --- Core v0.3 "Maintenance" Stack (No code changes needed) ---
+# --- Stable Maintenance Stack (No code changes required) ---
 langchain==0.3.1
 langchain-community==0.3.1
 langchain-core==0.3.6
 langchain-huggingface==0.1.0
 langchain-text-splitters==0.3.0
 
-# --- Dependencies for your current logic ---
+# --- Vector DB & PDF Support ---
 chromadb==0.5.5
 pypdf==4.2.0
 sentence-transformers==3.0.1