Initial commit with real LangChain modules.: remove langchain_ollama.py

langchain_ollama.py

@@ -1,23 +0,0 @@
-"""Dummy langchain_ollama module for local testing.
-
-This module provides minimal stub classes to satisfy imports in main.py
-without requiring the actual langchain-ollama package.
-"""
-
-class ChatOllama:
-    def __init__(self, *args, **kwargs):
-        pass
-
-    def invoke(self, *args, **kwargs):
-        return "<chat response>"
-
-class OllamaEmbeddings:
-    def __init__(self, *args, **kwargs):
-        pass
-
-    def embed_documents(self, documents):
-        # Return dummy embeddings (list of zeros)
-        return [[0.0] * 768 for _ in documents]
-
-    def embed_query(self, query):
-        return [0.0] * 768