feat: implement geometry snapping logic for manual road insertion and approved roads topology

apps/api/src/geocoding/geocoding.service.ts

@@ -467,6 +467,17 @@ export class GeocodingService {
         ORDER BY location <-> ST_SetSRID(ST_MakePoint($1::float, $2::float), 4326) ASC LIMIT 5
       `, [lng, lat]));
 
+      queryPromises.push(repo.query(`
+        SELECT 
+          id::text, COALESCE(name, 'Street') as name, COALESCE(name, 'طريق معتمد') as name_ar, 'street' as category,
+          '' as neighbourhood, '' as district, '' as governorate,
+          ST_Y(ST_Centroid(geometry::geometry))::text as latitude, ST_X(ST_Centroid(geometry::geometry))::text as longitude, '' as address, 'approved_road' as source,
+          ST_DistanceSphere(geometry::geometry, ST_SetSRID(ST_MakePoint($1::float, $2::float), 4326)) as distance
+        FROM approved_roads
+        WHERE geometry IS NOT NULL AND name IS NOT NULL AND trim(name) != ''
+        ORDER BY geometry::geometry <-> ST_SetSRID(ST_MakePoint($1::float, $2::float), 4326) ASC LIMIT 5
+      `, [lng, lat]).catch(() => []));
+
       const [results, iraqiAddress] = await Promise.all([
         Promise.allSettled(queryPromises),
         iraqiAddressPromise,