chore: record journal

.trellis/workspace/dingkang/index.md

@@ -8,7 +8,7 @@
 
 <!-- @@@auto:current-status -->
 - **Active File**: `journal-1.md`
-- **Total Sessions**: 42
+- **Total Sessions**: 43
 - **Last Active**: 2026-08-25
 <!-- @@@/auto:current-status -->
 
@@ -19,7 +19,7 @@
 <!-- @@@auto:active-documents -->
 | File | Lines | Status |
 |------|-------|--------|
-| `journal-1.md` | ~908 | Active |
+| `journal-1.md` | ~933 | Active |
 <!-- @@@/auto:active-documents -->
 
 ---
@@ -29,6 +29,7 @@
 <!-- @@@auto:session-history -->
 | # | Date | Title | Commits | Branch |
 |---|------|-------|---------|--------|
+| 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` |
 | 40 | 2026-08-24 | Stabilize Fengshu native road compilation | `f1f829c` | `fengshu-er-road` |

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

@@ -906,3 +906,28 @@ Completed and archived Phase 0: documented native-road-package/v1, added strict
 ### Status
 
 [OK] **Completed**
+
+
+## Session 43: Extract road compiler package boundary
+
+**Date**: 2026-08-25
+**Task**: Extract road compiler package boundary
+**Branch**: `experiment/road-compiler-rethink`
+
+### Summary
+
+Completed and archived Phase 1: moved native road compiler, checks, workbench, signal schema, OSM parser, and fixtures into packages/road-compiler; introduced RoadCompilerInput mapping; verified two-area parity and a privileged full Fengshu build.
+
+### Git Commits
+
+| Hash | Message |
+|------|---------|
+| `73707da` | (see git log) |
+| `d5c58b5` | (see git log) |
+| `f542a64` | (see git log) |
+| `284d3db` | (see git log) |
+| `2469cfd` | (see git log) |
+
+### Status
+
+[OK] **Completed**