fix: keep SGS hall fallback metadata preview-only

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/data/adapters/sgsSdkGuideAdapter.ts

@@ -393,6 +393,7 @@ const createHallEntrance = (
 ) => {
   const floorId = stringifyId(place.floorId) || fallbackFloorId
   const placeId = stringifyId(place.id || place.nodeId)
+  const routeNodeId = stringifyId(place.nodeId) || undefined
 
   return {
     id: placeId ? `hall-entrance-${placeId}` : `hall-entrance-${floorId}-${normalizedHallName(place.name)}`,
@@ -400,9 +401,9 @@ const createHallEntrance = (
     floorId,
     floorLabel: floorLabelForSgs(floorId, floors, place.floorCode, place.floorName),
     positionGltf: normalizePlacePosition(place),
-    sourceObjectName: stringifyId(place.nodeId) || undefined,
-    sourcePlaceId: placeId || undefined,
-    routeNodeId: stringifyId(place.nodeId) || undefined
+    sourceObjectName: routeNodeId || undefined,
+    sourcePlaceId: routeNodeId ? placeId || undefined : undefined,
+    routeNodeId
   }
 }
 
@@ -469,7 +470,13 @@ export const toMuseumHallPoisFromSgs = (
     const entrance = createHallEntrance(place, floors, fallbackFloorId)
     const entranceHasRouteAnchor = Boolean(entrance.positionGltf && entrance.routeNodeId)
     const fallbackPosition = matchedSpace ? normalizeSpaceCenter(matchedSpace) : undefined
-    const floorId = entrance.floorId || stringifyId(matchedSpace?.floorId) || fallbackFloorId
+    const fallbackFloorIdForPoi = stringifyId(matchedSpace?.floorId) || entrance.floorId || fallbackFloorId
+    const fallbackFloorLabel = floorLabelForSgs(
+      fallbackFloorIdForPoi,
+      floors,
+      matchedSpace?.floorCode,
+      matchedSpace?.floorName || matchedSpace?.name
+    )
     const hallId = stringifyId(matchedSpace?.id) || undefined
     const poiId = createHallPoiId(matchedSpace, place, index)
     const hallName = normalizedText(matchedSpace?.name) || placeHallName(place) || entrance.name
@@ -482,7 +489,7 @@ export const toMuseumHallPoisFromSgs = (
       ]
       if (entranceHasRouteAnchor) {
         existing.positionGltf = entrance.positionGltf
-        existing.floorId = floorId
+        existing.floorId = entrance.floorId
         existing.floorLabel = entrance.floorLabel
         existing.sourceObjectName = entrance.sourceObjectName
         existing.sourcePlaceId = entrance.sourcePlaceId
@@ -492,10 +499,9 @@ export const toMuseumHallPoisFromSgs = (
 
       if (!existing.positionGltf && fallbackPosition) {
         existing.positionGltf = fallbackPosition
-        existing.floorId = floorId
-        existing.floorLabel = entrance.floorLabel
+        existing.floorId = fallbackFloorIdForPoi
+        existing.floorLabel = fallbackFloorLabel
         existing.sourceObjectName = matchedSpace?.sourceNodeName || undefined
-        existing.sourcePlaceId = entrance.sourcePlaceId
         existing.sourceConfidence = 'backend-sgs-sdk-space-center'
       }
       return
@@ -507,8 +513,8 @@ export const toMuseumHallPoisFromSgs = (
     halls.set(poiId, {
       id: poiId,
       name: hallName,
-      floorId,
-      floorLabel: entrance.floorLabel,
+      floorId: entranceHasRouteAnchor ? entrance.floorId : fallbackFloorIdForPoi,
+      floorLabel: entranceHasRouteAnchor ? entrance.floorLabel : fallbackFloorLabel,
       primaryCategory: hallCategory,
       categories: [
         hallCategory,
@@ -527,7 +533,7 @@ export const toMuseumHallPoisFromSgs = (
       hallId,
       hallName,
       spaceId: hallId,
-      sourcePlaceId: entrance.sourcePlaceId,
+      sourcePlaceId: entranceHasRouteAnchor ? entrance.sourcePlaceId : undefined,
       sourceSpaceId: hallId,
       entrances: [entrance]
     })