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+# Journal - dingkang (Part 1)
+
+> AI development session journal
+> Started: 2026-08-26
+
+---
+
+
+
+## Session 1: Complete direct edit document and revision foundation
+
+**Date**: 2026-08-27
+**Task**: Complete direct edit document and revision foundation
+**Branch**: `feat/direct-edit-documents`
+
+### Summary
+
+Completed the v2 direct-edit document, immutable revision storage, and area-config snapshot foundation.
+
+### Main Changes
+
+- Added validated native-road-edits/v2 documents, revisions, content-addressed OSM, and snapshot-only compilation.
+
+### Git Commits
+
+| Hash | Message |
+|------|---------|
+| `93f09e3` | (see git log) |
+| `3500237` | (see git log) |
+| `c0c8a16` | (see git log) |
+| `ba8eaba` | (see git log) |
+
+### Testing
+
+- [OK] npm run format:check; npm run test; npm run test:client; npm run test:client:unit; npm run build
+
+### Status
+
+[OK] **Completed**
+
+### Next Steps
+
+- Start the direct-edit solver and API child task.