diff --git a/.env.development b/.env.development
index 5314e783..3f06f43e 100644
--- a/.env.development
+++ b/.env.development
@@ -1,7 +1,13 @@
 VITE_BASE_URL=/api
 
-VITE_PROXY_URL=https://dev.eigent.ai
-VITE_USE_LOCAL_PROXY=false
+# VITE_PROXY_URL=https://dev.eigent.ai
+# VITE_USE_LOCAL_PROXY=false
 
-# VITE_PROXY_URL=http://localhost:3001
-# VITE_USE_LOCAL_PROXY=true
+VITE_PROXY_URL=http://localhost:3001
+VITE_USE_LOCAL_PROXY=true
+
+# Dummy Stack Auth keys for local dev (enables StackProvider gating).
+# Replace with real values from Stack dashboard when needed.
+VITE_STACK_PROJECT_ID=dummy_project_id
+VITE_STACK_PUBLISHABLE_CLIENT_KEY=dummy_publishable_key
+VITE_STACK_SECRET_SERVER_KEY=dummy_secret_server_key