chore: record journal

.trellis/workspace/dingkang/index.md

@@ -8,8 +8,8 @@
 
 <!-- @@@auto:current-status -->
 - **Active File**: `journal-1.md`
-- **Total Sessions**: 43
-- **Last Active**: 2026-08-25
+- **Total Sessions**: 44
+- **Last Active**: 2026-08-26
 <!-- @@@/auto:current-status -->
 
 ---
@@ -19,7 +19,7 @@
 <!-- @@@auto:active-documents -->
 | File | Lines | Status |
 |------|-------|--------|
-| `journal-1.md` | ~933 | Active |
+| `journal-1.md` | ~955 | Active |
 <!-- @@@/auto:active-documents -->
 
 ---
@@ -29,6 +29,7 @@
 <!-- @@@auto:session-history -->
 | # | Date | Title | Commits | Branch |
 |---|------|-------|---------|--------|
+| 44 | 2026-08-26 | Complete external road compiler split | `5cde080`, `7d4b3b5` | `experiment/road-compiler-rethink` |
 | 43 | 2026-08-25 | Extract road compiler package boundary | `73707da`, `d5c58b5`, `f542a64`, `284d3db`, `2469cfd` | `experiment/road-compiler-rethink` |
 | 42 | 2026-08-25 | Freeze native road parity baseline | `e7bc7f8` | `experiment/road-compiler-rethink` |
 | 41 | 2026-08-24 | Use live V2X vehicle streams only | `b7031f1` | `fengshu-er-road` |

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

@@ -931,3 +931,25 @@ Completed and archived Phase 1: moved native road compiler, checks, workbench, s
 ### Status
 
 [OK] **Completed**
+
+
+## Session 44: Complete external road compiler split
+
+**Date**: 2026-08-26
+**Task**: Complete external road compiler split
+**Branch**: `experiment/road-compiler-rethink`
+
+### Summary
+
+Split road compiler into private road-compiler repository with history, pushed v0.1.2, migrated host to exact-tag CLI consumption, removed in-host package, passed regression tests and two-area parity.
+
+### Git Commits
+
+| Hash | Message |
+|------|---------|
+| `5cde080` | (see git log) |
+| `7d4b3b5` | (see git log) |
+
+### Status
+
+[OK] **Completed**