Create retrieval_chain.py

AI_Agent/chains/retrieval_chain.py

@@ -0,0 +1,9 @@
+# AI_Agent/chains/retrieval_chain.py
+class RetrievalChain:
+    def __init__(self, vector_store):
+        self.vs = vector_store
+
+    async def run(self, prompt):
+        results = self.vs.search(prompt, k=3)
+        contexts = [r[0] for r in results]
+        return {"contexts": contexts, "raw": results}