refactor(incidents): 배출규정 구역 GeoJSON 파일을 대한민국 해리 데이터로 교체

기존 TB_ZN_TRTSEA 기반 영해기선/버퍼 GeoJSON 6개 삭제, 대한민국 해리 GeoJSON 5개로 교체 및 fetch 경로 수정

frontend/src/tabs/incidents/utils/dischargeZoneData.ts

@@ -44,7 +44,7 @@ export async function loadTerritorialBaseline(): Promise<[number, number][][]> {
   if (cachedBaselineRings) return cachedBaselineRings;
   if (baselineLoadingPromise) return baselineLoadingPromise;
 
-  baselineLoadingPromise = fetch('/data/TB_ZN_TRTSEA_multipolygon.geojson')
+  baselineLoadingPromise = fetch('/data/대한민국.geojson')
     .then((res) => res.json())
     .then((data: { features: GeoJSONFeature[] }) => {
       cachedBaselineRings = extractOuterRings(data);
@@ -69,10 +69,10 @@ let cachedZones: ZoneGeoJSON[] | null = null;
 let zoneLoadingPromise: Promise<ZoneGeoJSON[]> | null = null;
 
 const ZONE_FILES = [
-  { nm: 3, file: '/data/TB_ZN_TRTSEA_multipolygon_3nm_buffer.geojson' },
-  { nm: 12, file: '/data/TB_ZN_TRTSEA_multipolygon_12nm_buffer.geojson' },
-  { nm: 25, file: '/data/TB_ZN_TRTSEA_multipolygon_25nm_buffer.geojson' },
-  { nm: 50, file: '/data/TB_ZN_TRTSEA_multipolygon_50nm_buffer.geojson' },
+  { nm: 3, file: '/data/대한민국_3해리.geojson' },
+  { nm: 12, file: '/data/대한민국_12해리.geojson' },
+  { nm: 25, file: '/data/대한민국_25해리.geojson' },
+  { nm: 50, file: '/data/대한민국_50해리.geojson' },
 ];
 
 export async function loadZoneGeoJSON(): Promise<ZoneGeoJSON[]> {