chore: Update dependencies and environment variable handling

- Bump package version to 0.1.9
- Add python-dotenv and faiss-cpu to dependencies
- Implement .env file loading in chains.py
- Update graph.py to use os.getcwd() for file paths

Author: ehddnr301

llm_utils/chains.py

@@ -3,6 +3,15 @@
 
 from .llm_factory import get_llm
 
+from dotenv import load_dotenv
+
+env_path = os.path.join(os.getcwd(), ".env")
+
+if os.path.exists(env_path):
+    load_dotenv(env_path)
+else:
+    print(f"⚠️  환경변수 파일(.env)이 {os.getcwd()}에 없습니다!")
+
 llm = get_llm(
     model_type="openai",
     model_name="gpt-4o-mini",

llm_utils/graph.py

@@ -1,7 +1,5 @@
+import os
 import json
-from dotenv import load_dotenv
-
-load_dotenv()
 
 from typing_extensions import TypedDict, Annotated
 from langgraph.graph import END, StateGraph
@@ -53,14 +51,14 @@ def get_table_info_node(state: QueryMakerState):
     embeddings = OpenAIEmbeddings(model="text-embedding-3-small")
     try:
         db = FAISS.load_local(
-            "/home/pseudo.dwlee/autosql/table_info_db",
+            os.getcwd() + "/table_info_db",
             embeddings,
             allow_dangerous_deserialization=True,
         )
     except:
         documents = get_info_from_db()
         db = FAISS.from_documents(documents, embeddings)
-        db.save_local("/home/pseudo.dwlee/autosql/table_info_db")
+        db.save_local(os.getcwd() + "/table_info_db")
         print("table_info_db not found")
     doc_res = db.similarity_search(state["messages"][-1].content)
     documents_dict = {}

setup.py

@@ -6,7 +6,7 @@
 
 setup(
     name="lang2sql",  # 패키지 이름
-    version="0.1.8",  # 버전
+    version="0.1.9",  # 버전
     author="ehddnr301",
     author_email="[email protected]",
     url="https://github.com/CausalInferenceLab/Lang2SQL",
@@ -22,6 +22,8 @@
         "openai==1.59.8",
         "langchain-openai==0.3.0",
         "streamlit==1.41.1",
+        "python-dotenv==1.0.1",
+        "faiss-cpu==1.10.0",
     ],
     entry_points={
         "console_scripts": [