check env for langsmith_project

.idea/kubernetes-settings.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="KubernetesSettings">
+    <option name="contextName" value="swca-aks" />
+  </component>
+</project>

langchain-streamlit-demo/app.py

@@ -77,7 +77,7 @@ langsmith_api_key = api_key_from_env("LANGSMITH") or st.sidebar.text_input(
     type="password",
 )
 if langsmith_api_key:
-    langsmith_project = st.sidebar.text_input(
+    langsmith_project = os.environ["LANGCHAIN_PROJECT"] or st.sidebar.text_input(
         "LangSmith Project Name",
         value="langchain-streamlit-demo",
     )