diff --git a/peak_assistant/streamlit/app.py b/peak_assistant/streamlit/app.py
index 801f384..66f13eb 100644
--- a/peak_assistant/streamlit/app.py
+++ b/peak_assistant/streamlit/app.py
@@ -156,13 +156,12 @@
         logger.debug(f"Received state: {state}")
         logger.debug(f"Available OAuth states: {[k for k in st.session_state.keys() if k.startswith('oauth_state_')]}")
 
-# Read the local context file if it's not already in the session state.
+# Initialize local context for this user session.
+#
+# Do not auto-load server-side files into every session because this can
+# disclose local context through downstream LLM prompts.
 if "local_context" not in st.session_state:
-    # Find and load our local context file (used for the agents)
-    with open("context.txt", "r", encoding="utf-8") as file:
-        local_context = file.read()
-
-    st.session_state["local_context"] = local_context
+    st.session_state["local_context"] = ""
 
 # Use the full page instead of a narrow central column
 st.set_page_config(