feat: add native road parity baseline

.trellis/tasks/08-25-road-compiler-extraction/task.json

@@ -0,0 +1,33 @@
+{
+  "id": "road-compiler-extraction",
+  "name": "road-compiler-extraction",
+  "title": "道路编译器独立化（parent）",
+  "description": "把 native road compiler 拆成可独立维护的项目，并与本项目通过版本化契约相辅相成；同时分离道路与 OSM 建筑渲染",
+  "status": "planning",
+  "dev_type": null,
+  "scope": null,
+  "package": null,
+  "priority": "P1",
+  "creator": "dingkang",
+  "assignee": "dingkang",
+  "createdAt": "2026-08-25",
+  "completedAt": null,
+  "branch": null,
+  "base_branch": "main",
+  "worktree_path": null,
+  "commit": null,
+  "pr_url": null,
+  "subtasks": [],
+  "children": [
+    "08-25-rc-p0-contract-baseline",
+    "08-25-rc-p1-package-boundary",
+    "08-25-rc-p2-repo-split",
+    "08-25-rc-p3-render-separation"
+  ],
+  "parent": null,
+  "relatedFiles": [],
+  "notes": "",
+  "meta": {
+    "next_task": "08-25-rc-p4-drawtonomy-ext"
+  }
+}