diff --git a/conductor/tracks.md b/conductor/tracks.md
index 74fe2c8..0208de7 100644
--- a/conductor/tracks.md
+++ b/conductor/tracks.md
@@ -13,6 +13,9 @@ This file tracks all major tracks for the project. Each track has its own detail
 
 ## Completed / Archived
 
+- [x] **Track: Architecture Boundary Hardening**
+*Link: [./tracks/architecture_boundary_hardening_20260302/](./tracks/architecture_boundary_hardening_20260302/)*
+
 - [x] **Track: Comprehensive Conductor & MMA GUI UX**
 *Link: [./archive/comprehensive_gui_ux_20260228/](./archive/comprehensive_gui_ux_20260228/)*