feat: make native road pipeline the default

.trellis/spec/pipeline/cli-and-stages.md

@@ -1364,9 +1364,9 @@ gpkg: path.resolve(outputOverrides.gpkg || path.join(areaDir, `${fileStem}.gpkg`
 
 | 阶段 | 做什么 | 读 | 写 |
 |---|---|---|---|
-| `intermediates` | OSM → osm2streets GeoJSON → GeoPackage → QGIS 工程 + 预览图 | `.osm` | `osm2streets_web_out/`、`.gpkg`、`.qgz`、`-preview.png` |
+| `intermediates` |（显式 legacy）OSM → osm2streets GeoJSON → GeoPackage → QGIS 工程 + 预览图 | `.osm` | `osm2streets_web_out/`、`.gpkg`、`.qgz`、`-preview.png` |
 | `reimport` | GeoPackage → GeoJSON（**反向**） | `.gpkg` | `osm2streets_web_out/` |
-| `blender` | OSM + GeoJSON → 场景 | `.osm`、`osm2streets_web_out/` | `.blend`、`.png` |
+| `blender` | 默认 OSM → native road compiler → Blender 场景；legacy provider 时读取 GeoJSON | `.osm`、`native-road/`（legacy 为 `osm2streets_web_out/`） | `.blend`、`.png` |
 | `cesium` | 场景 → static staging GLB + manifest | `.blend` | `_pipeline/package-staging/models/*.glb`、staged manifest；动态 GLB 到 `_preview/` |
 | `compress` | 压缩 Cesium staging 主模型 | staged `.glb`、manifest | 压缩 staged `.glb`、manifest |
 | `package` | 校验并原子发布静态资产包 | staging manifest 与 models | `package/manifest.json`、`package/models/*.glb` |
@@ -1386,12 +1386,11 @@ gpkg: path.resolve(outputOverrides.gpkg || path.join(areaDir, `${fileStem}.gpkg`
 
 未知阶段名**抛错并列出合法值**（`:181`），不静默忽略。
 
-### `all` 不含 `reimport`
+### `all` 是 native-only 完整构建
 
 ```js
-// 'reimport' is deliberately absent from 'all': it is a recovery step for
-// hand-edited GeoPackages, never part of a full build.        build-area.js:159-160
-all: ["intermediates", "blender", "cesium", "compress", "package", "preview"],
+// Legacy intermediates/reimport are deliberately absent from 'all'.
+all: ["blender", "cesium", "compress", "package", "preview"],
 ```
 
 `compress`、`package`、`preview` 均在 `all` 中，确保完整构建以压缩后的可复用静态 package

.trellis/spec/pipeline/index.md

@@ -30,7 +30,7 @@ config/areas/<id>.json
       ▼  build-area.js — 阶段调度
    _pipeline/osm2streets-qgis.config.json          （派生配置）
       │
-      ├─[intermediates]─▶ build-osm2streets-qgis.js
+      ├─[intermediates]─▶ build-osm2streets-qgis.js（显式 legacy/reference）
       │                     osm2streets-js-node 解析 .osm
       │                     → splitLayers() 拆成九个图层
       │                     → normalize-lane-arrows.py（QGIS Python）
@@ -45,8 +45,8 @@ config/areas/<id>.json
       │                     → 重建 scene.geojson + scene_style.json
       │                     → _pipeline/stages/reimport.manifest.json
       │
-      ├─[blender]───────▶ Blender + blender/generate_scene.py
-      │                     读 .osm + osm2streets_web_out/
+      ├─[blender]───────▶ compile-native-roads.js + Blender + blender/generate_scene.py
+      │                     默认读 .osm + native-road/
       │                     → <id>.blend + <id>.png
       │                     → _pipeline/stages/blender.manifest.json
       │
@@ -62,7 +62,7 @@ config/areas/<id>.json
       │                     → package/manifest.json + package/models/*.glb
       │                     → _pipeline/stages/package.manifest.json
       │
-      └─[preview]───────▶ 生成 <id>-cesium-preview.html
+      └─[preview]───────▶ 生成 <id>-cesium-preview.html（native 可无车辆路线）
       │                     + 拷贝 lib/cesium-preview.{js,css}
                             + _preview/ 车辆巡航路线、模型、动态信号
       │                     → _pipeline/stages/preview.manifest.json