Implement 3D globe fly-over animation using MapLibre FreeCamera and Turf.js

backend/app/server.js

@@ -81,7 +81,7 @@ app.get('/api/line-of-sight', async (req, res) => {
       FROM cities
       WHERE ST_DWithin(geom, (SELECT route FROM path), $2 * 1000)
       ORDER BY pos_on_line ASC
-      LIMIT 100;
+      LIMIT 200;
     `;
 
     const result = await pool.query(query, [lineWKT, toleranceKm, startLon, startLat]);