fix: 중국어선감시 활성화 시 지도 드래그 불가 — 마커 pointerEvents none 추가

frontend/src/components/korea/ChineseFishingOverlay.tsx

@@ -197,13 +197,13 @@ export function ChineseFishingOverlay({ ships }: Props) {
       {/* 어구/어망 위치 마커 (모선 연결된 것) */}
       {gearLinks.map(link => (
         <Marker key={`gearlink-${link.gear.mmsi}`} longitude={link.gear.lng} latitude={link.gear.lat} anchor="center">
-          <div style={{ filter: 'drop-shadow(0 0 3px #f9731688)' }}>
+          <div style={{ filter: 'drop-shadow(0 0 3px #f9731688)', pointerEvents: 'none' }}>
             <FishingNetIcon color="#f97316" size={10} />
           </div>
           <div style={{
             fontSize: 5, color: '#f97316', textAlign: 'center',
             textShadow: '0 0 2px #000', fontWeight: 700, marginTop: -1,
-            whiteSpace: 'nowrap',
+            whiteSpace: 'nowrap', pointerEvents: 'none',
           }}>
             ← {link.parentName}
           </div>
@@ -219,6 +219,7 @@ export function ChineseFishingOverlay({ ships }: Props) {
               marginBottom: 8,
               filter: `drop-shadow(0 0 3px ${meta?.color || '#f97316'}88)`,
               opacity: 0.85,
+              pointerEvents: 'none',
             }}>
               <GearIcon gear={analysis.gearType} size={12} />
             </div>