Update main.py

main.py

@@ -29,9 +29,7 @@ logger = get_logger(__name__)
 
 # ─────── embeddings ─────────────────────────────────────────────────────────────
 # Switch to local BGE embeddings (no JSONDecode errors, no HTTP‑batch issues) :contentReference[oaicite:0]{index=0}
-from langchain_community.embeddings import SentenceTransformerEmbeddings
-
-embeddings = SentenceTransformerEmbeddings(
+embeddings = HuggingFaceBgeEmbeddings(
     model_name="BAAI/bge-large-en-v1.5",
     model_kwargs={"device": "cpu"},
     encode_kwargs={"normalize_embeddings": True}
@@ -51,7 +49,7 @@ memory = ConversationBufferMemory(
 )
 
 # ─────── LLM setup ──────────────────────────────────────────────────────────────
-model        = "mistralai/Mixtral-8x7B-Instruct-v0.1"
+model        = "HuggingFaceTB/SmolLM3-3B"
 temperature  = 0.1
 max_tokens   = 500