chore(conductor): Add Manual UX Validation & Polish track to the strict execution queue

conductor/tracks.md

@@ -5,6 +5,7 @@ This file tracks all major tracks for the project. Each track has its own detail
 ---
 
 ## Current Tracks (Strict Execution Queue)
+
 *The following tracks MUST be executed in this exact order to safely resolve tech debt before feature development.*
 
 1. [ ] **Track: Test Suite Stabilization & Consolidation** (Active/Next)
@@ -31,6 +32,9 @@ This file tracks all major tracks for the project. Each track has its own detail
 8. [ ] **Track: Test Suite Performance & Flakiness**
 *Link: [./tracks/test_suite_performance_and_flakiness_20260302/](./tracks/test_suite_performance_and_flakiness_20260302/)*
 
+9. [ ] **Track: Manual UX Validation & Polish**
+*Link: [./tracks/manual_ux_validation_20260302/](./tracks/manual_ux_validation_20260302/)*
+
 ---
 
 ## Completed / Archived