diff --git a/.trellis/workspace/dingkang/index.md b/.trellis/workspace/dingkang/index.md
index 54cf81a..cd398d9 100644
--- a/.trellis/workspace/dingkang/index.md
+++ b/.trellis/workspace/dingkang/index.md
@@ -8,7 +8,7 @@
 
 <!-- @@@auto:current-status -->
 - **Active File**: `journal-1.md`
-- **Total Sessions**: 21
+- **Total Sessions**: 22
 - **Last Active**: 2026-08-05
 <!-- @@@/auto:current-status -->
 
@@ -19,7 +19,7 @@
 <!-- @@@auto:active-documents -->
 | File | Lines | Status |
 |------|-------|--------|
-| `journal-1.md` | ~448 | Active |
+| `journal-1.md` | ~469 | Active |
 <!-- @@@/auto:active-documents -->
 
 ---
@@ -29,6 +29,7 @@
 <!-- @@@auto:session-history -->
 | # | Date | Title | Commits | Branch |
 |---|------|-------|---------|--------|
+| 22 | 2026-08-05 | Cesium semantic inspection preview | `607d8fc` | `main` |
 | 21 | 2026-08-05 | Add OSM turn lane arrows | `9a23f74` | `main` |
 | 20 | 2026-08-04 | Split area preview orchestration | `396df51` | `main` |
 | 19 | 2026-08-04 | Add configurable area asset budgets | `463cb06` | `main` |
diff --git a/.trellis/workspace/dingkang/journal-1.md b/.trellis/workspace/dingkang/journal-1.md
index 2bd3d4d..72d5bda 100644
--- a/.trellis/workspace/dingkang/journal-1.md
+++ b/.trellis/workspace/dingkang/journal-1.md
@@ -446,3 +446,24 @@ Added vendored lane-icons assets, tested OSM turn-lane arrow generation and lane
 ### Status
 
 [OK] **Completed**
+
+
+## Session 22: Cesium semantic inspection preview
+
+**Date**: 2026-08-05
+**Task**: Cesium semantic inspection preview
+**Branch**: `main`
+
+### Summary
+
+Added semantic Cesium inspection assets and controls; fixed compressed metadata to preserve inspection assets; verified the rebuilt compressed preview.
+
+### Git Commits
+
+| Hash | Message |
+|------|---------|
+| `607d8fc` | (see git log) |
+
+### Status
+
+[OK] **Completed**