feat(cli): add interactive area build menu

scripts/build-area.js

@@ -4,6 +4,7 @@ const fs = require("fs");
 const path = require("path");
 const { spawnSync } = require("child_process");
 const { readAreaConfig } = require("./lib/area-config");
+const { resolveStages } = require("./lib/build-stages");
 const { blenderExecutable: resolveBlenderExecutable } = require("./lib/tool-paths");
 const {
   SCENE_LAYERS,
@@ -41,15 +42,6 @@ const requestedStages = args.stages
   : null;
 const stages = resolveStages(area.stages, requestedStages);
 
-// intermediates deletes and rebuilds the GeoPackage from OSM, which is exactly
-// the manual work reimport exists to recover. Refuse the combination instead of
-// silently letting one undo the other.
-if (stages.intermediates && stages.reimport) {
-  throw new Error(
-    "Stages 'intermediates' and 'reimport' are mutually exclusive: " +
-    "intermediates rebuilds the GeoPackage from OSM and would discard the QGIS edits reimport reads back.",
-  );
-}
 
 console.log(`Area: ${area.id}`);
 console.log(`Config: ${configPath}`);
@@ -100,49 +92,6 @@ function splitList(value) {
     .filter(Boolean);
 }
 
-function resolveStages(defaults, requested) {
-  if (!requested) return defaults;
-  // 'reimport' is deliberately absent from 'all': it is a recovery step for
-  // hand-edited GeoPackages, never part of a full build.
-  // 'compress' is also absent from 'all': it creates an alternate Cesium GLB,
-  // not the baseline asset.
-  const aliases = {
-    all: ["intermediates", "blender", "cesium"],
-    qgis: ["intermediates"],
-    osm2streets: ["intermediates"],
-    geojson: ["intermediates"],
-    intermediate: ["intermediates"],
-    intermediates: ["intermediates"],
-    reimport: ["reimport"],
-    gpkg: ["reimport"],
-    blender: ["blender"],
-    scene: ["blender"],
-    cesium: ["cesium"],
-    glb: ["cesium"],
-    preview: ["preview"],
-    html: ["preview"],
-    cesiumPreview: ["preview"],
-    compress: ["compress"],
-    compression: ["compress"],
-    compressedCesium: ["compress"],
-  };
-  const out = {
-    intermediates: false,
-    reimport: false,
-    blender: false,
-    cesium: false,
-    preview: false,
-    compress: false,
-  };
-  for (const stage of requested) {
-    const mapped = aliases[stage];
-    if (!mapped) {
-      throw new Error(`Unknown stage '${stage}'. Use intermediates, reimport, blender, cesium, preview, compress, or all.`);
-    }
-    for (const key of mapped) out[key] = true;
-  }
-  return out;
-}
 
 function writeDerivedConfig(area) {
   fs.mkdirSync(area.outputs.pipelineDir, { recursive: true });