chore: record journal

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

@@ -299,3 +299,24 @@ Added a fast diagnose:area command for OSM structure, building relation health,
 ### Status
 
 [OK] **Completed**
+
+
+## Session 15: Add GLB stage manifests
+
+**Date**: 2026-08-04
+**Task**: Add GLB stage manifests
+**Branch**: `main`
+
+### Summary
+
+Added first-version cesium and compress stage manifests under _pipeline/stages, shared manifest helpers, and diagnose:area reporting for missing/stale manifests.
+
+### Git Commits
+
+| Hash | Message |
+|------|---------|
+| `2832383` | (see git log) |
+
+### Status
+
+[OK] **Completed**