Add public GeoJSON features API and load public 3D objects on maps.

Expose GET /v1/features/public (optional kind filter) and update Leaflet/MapLibre demos to render all public 3D assets globally, while still merging owner collections after login.

Made-with: Cursor

web/maplibre-demo.js

@@ -41,6 +41,10 @@ function setStatus(message) {
   statusEl.textContent = message;
 }
 
+function currentApiBase() {
+  return apiBaseEl.value.trim().replace(/\/+$/g, "");
+}
+
 function extFromFilename(name) {
   const idx = name.lastIndexOf(".");
   if (idx <= 0) return "";
@@ -248,20 +252,31 @@ function renderAssets(features) {
 }
 
 async function refreshFeatures() {
-  if (!accessToken) return;
-  const { collections } = await client.listCollections();
-  if (!collectionId && collections.length > 0) {
-    collectionId = collections[0].id;
-    collectionInfoEl.textContent = `${collections[0].name} (${collections[0].id})`;
+  const publicResp = await fetch(`${currentApiBase()}/v1/features/public?kind=3d`);
+  if (!publicResp.ok) {
+    throw new Error(`Failed to load public features: HTTP ${publicResp.status}`);
+  }
+  const publicData = await publicResp.json();
+  const byID = new Map((publicData.features || []).map((feature) => [feature.id, feature]));
+
+  if (accessToken) {
+    const { collections } = await client.listCollections();
+    if (!collectionId && collections.length > 0) {
+      collectionId = collections[0].id;
+      collectionInfoEl.textContent = `${collections[0].name} (${collections[0].id})`;
+    }
+    const ownFeatureSets = await Promise.all(
+      collections.map(async (collection) => {
+        const { features } = await client.listFeatures(collection.id);
+        return features;
+      })
+    );
+    for (const feature of ownFeatureSets.flat()) {
+      byID.set(feature.id, feature);
+    }
   }
 
-  const featureSets = await Promise.all(
-    collections.map(async (collection) => {
-      const { features } = await client.listFeatures(collection.id);
-      return features;
-    })
-  );
-  const features = featureSets.flat();
+  const features = Array.from(byID.values());
   clearFeatureMeshes();
   for (const feature of features) {
     const coords = feature.geometry?.coordinates;
@@ -384,6 +399,7 @@ map.on("load", () => {
   threeLayer = createThreeLayer();
   map.addLayer(threeLayer);
   renderSharedAssetFromQuery();
+  refreshFeatures().catch((error) => setStatus(error.message));
 });
 
 map.on("click", (event) => {