Fix secure cookie configuration #274
Description
Configure cookies to be set as secure in production environment.
Context:
- Cookies are currently not set to secure
- Production environment uses HTTPS with 2-level proxy setup
- Session security requires secure cookie configuration
Acceptance Criteria:
- Configure session cookies with secure flag
- Test cookie behavior with 2-level proxy setup
- Verify session persistence works correctly
- Ensure proper cookie configuration for HTTPS
- Update proxy trust settings if needed
Priority: Medium