init env

pyproject.toml

@@ -4,4 +4,25 @@ version = "0.1.0"
 description = "Add your description here"
 readme = "README.md"
 requires-python = ">=3.13"
-dependencies = []
+dependencies = [
+    "langchain>=0.3.27",
+    "langchain-openai>=0.3.32",
+    "streamlit>=1.49.1",
+]
+
+[dependency-groups]
+dev = [
+    "pre-commit>=4.3.0",
+    "pytest>=8.4.1",
+    "ruff>=0.12.11",
+]
+
+[tool.ruff]
+line-length = 130
+target-version = "py313"
+
+[tool.ruff.lint]
+select = ["E", "F", "I"]
+
+[tool.ruff.format]
+quote-style = "single"