chore: record journal

.trellis/workspace/dingkang/journal-1.md

@@ -801,3 +801,24 @@ Recorded user-confirmed native Blender/Cesium/preview verification for rounded n
 ### Status
 
 [OK] **Completed**
+
+
+## Session 38: Complete native traffic signal workflow
+
+**Date**: 2026-08-18
+**Task**: Complete native traffic signal workflow
+**Branch**: `feature/native-road-compiler`
+
+### Summary
+
+Completed native traffic-signal ownership and Workbench editing. Added independent pole position, mast heading/reach, and face heading controls; removed native QGIS dependency; verified runtime preview, browser rendering, compile, tests, and quality gates. Archived native traffic signal and road compiler tasks.
+
+### Git Commits
+
+| Hash | Message |
+|------|---------|
+| `5accc0a` | (see git log) |
+
+### Status
+
+[OK] **Completed**