perf: select only needed columns from GisUat, skip geometry (~100MB)

src/app/api/eterra/uats/route.ts

@@ -124,7 +124,11 @@ export async function GET(req: Request) {
     const url = new URL(req.url);
     const withFeatures = url.searchParams.get("features") === "true";
 
-    const rows = await prisma.gisUat.findMany({ orderBy: { name: "asc" } });
+    // CRITICAL: select only needed fields — geometry column has huge polygon data
+    const rows = await prisma.gisUat.findMany({
+      orderBy: { name: "asc" },
+      select: { siruta: true, name: true, county: true, workspacePk: true },
+    });
 
     // Feature counts are expensive (scans entire GisFeature table)
     // Only include when explicitly requested