chore: record journal

.trellis/workspace/dingkang/index.md

@@ -8,7 +8,7 @@
 
 <!-- @@@auto:current-status -->
 - **Active File**: `journal-1.md`
-- **Total Sessions**: 11
+- **Total Sessions**: 12
 - **Last Active**: 2026-08-03
 <!-- @@@/auto:current-status -->
 
@@ -19,7 +19,7 @@
 <!-- @@@auto:active-documents -->
 | File | Lines | Status |
 |------|-------|--------|
-| `journal-1.md` | ~238 | Active |
+| `journal-1.md` | ~259 | Active |
 <!-- @@@/auto:active-documents -->
 
 ---
@@ -29,6 +29,7 @@
 <!-- @@@auto:session-history -->
 | # | Date | Title | Commits | Branch |
 |---|------|-------|---------|--------|
+| 12 | 2026-08-03 | Optional GLB compression stage | `7ba8594` | `main` |
 | 11 | 2026-08-03 | Adopt Shapespark vegetation | `dbb5705` | `main` |
 | 10 | 2026-08-03 | Reject low-poly scrub bush experiment | `e58a928` | `main` |
 | 9 | 2026-08-03 | Improve Cesium cruise smoothness | `0d2dc22` | `main` |

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

@@ -236,3 +236,24 @@ Adopted split Shapespark low-poly plants for nantaizi trees, scrub bushes, and l
 ### Status
 
 [OK] **Completed**
+
+
+## Session 12: Optional GLB compression stage
+
+**Date**: 2026-08-03
+**Task**: Optional GLB compression stage
+**Branch**: `main`
+
+### Summary
+
+Added an explicit compress stage and GLB compression script for nantaizi WebP review artifacts without replacing the baseline GLB.
+
+### Git Commits
+
+| Hash | Message |
+|------|---------|
+| `7ba8594` | (see git log) |
+
+### Status
+
+[OK] **Completed**