fix: 헤더 1행 배치 + 비허가 어구 2개 이상만 탐지 + 중국 어구그룹 감시 배지

- 헤더 mode-toggle: flex-wrap:nowrap + overflow-x:auto → 1행 가로 스크롤
- 비허가 어구 그룹: 어구 2개 이상일 때만 그룹 탐지/폴리곤 생성 (1개는 제외)
  → 조업구역내 어구 + 선단 현황은 현행 유지
- cnFishing 배지: '중국 어구그룹 감시 N개' (어구그룹 수=고유 모선명 수)
  → 어구 패턴 매칭 선박만 집계 (중국 어선 단독은 제외)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/src/App.css

@@ -1996,12 +1996,16 @@
 /* ======================== */
 .mode-toggle {
   display: flex;
+  flex-wrap: nowrap;
   gap: 4px;
   background: var(--kcg-subtle);
   border: 1px solid var(--kcg-border);
   border-radius: 6px;
   padding: 3px;
+  overflow-x: auto;
+  scrollbar-width: none;
 }
+.mode-toggle::-webkit-scrollbar { display: none; }
 
 .mode-btn {
   display: flex;

frontend/src/components/korea/FleetClusterLayer.tsx

@@ -304,12 +304,17 @@ export function FleetClusterLayer({ ships, analysisMap: analysisMapProp, cluster
     const outZone: { name: string; parent: Ship | null; gears: Ship[] }[] = [];
     for (const [name, { parent, gears }] of gearGroupMap) {
       const anchor = parent ?? gears[0];
-      if (!anchor) { outZone.push({ name, parent, gears }); continue; }
+      if (!anchor) {
+        // 비허가 어구: 2개 이상일 때만 그룹으로 탐지
+        if (gears.length >= 2) outZone.push({ name, parent, gears });
+        continue;
+      }
       const zoneInfo = classifyFishingZone(anchor.lat, anchor.lng);
       if (zoneInfo.zone !== 'OUTSIDE') {
         inZone.push({ name, parent, gears, zone: zoneInfo.name });
       } else {
-        outZone.push({ name, parent, gears });
+        // 비허가 어구: 2개 이상일 때만 그룹으로 탐지
+        if (gears.length >= 2) outZone.push({ name, parent, gears });
       }
     }
     inZone.sort((a, b) => b.gears.length - a.gears.length);
@@ -318,10 +323,15 @@ export function FleetClusterLayer({ ships, analysisMap: analysisMapProp, cluster
   }, [gearGroupMap]);
 
   // 어구 클러스터 GeoJSON (수역 내: 붉은색, 수역 외: 오렌지)
+  // 비허가 어구(outZone)는 2개 이상만 폴리곤 생성
   const gearClusterGeoJson = useMemo((): GeoJSON => {
     const inZoneNames = new Set(inZoneGearGroups.map(g => g.name));
+    const outZoneNames = new Set(outZoneGearGroups.map(g => g.name));
     const features: GeoJSON.Feature[] = [];
     for (const [parentName, { parent, gears }] of gearGroupMap) {
+      // 비허가(outZone) 1개짜리는 폴리곤에서 제외
+      const isInZone = inZoneNames.has(parentName);
+      if (!isInZone && !outZoneNames.has(parentName)) continue;
       const points: [number, number][] = gears.map(g => [g.lng, g.lat]);
       if (parent) points.push([parent.lng, parent.lat]);
       if (points.length < 3) continue;
@@ -330,12 +340,12 @@ export function FleetClusterLayer({ ships, analysisMap: analysisMapProp, cluster
       padded.push(padded[0]);
       features.push({
         type: 'Feature',
-        properties: { name: parentName, gearCount: gears.length, inZone: inZoneNames.has(parentName) ? 1 : 0 },
+        properties: { name: parentName, gearCount: gears.length, inZone: isInZone ? 1 : 0 },
         geometry: { type: 'Polygon', coordinates: [padded] },
       });
     }
     return { type: 'FeatureCollection', features };
-  }, [gearGroupMap, inZoneGearGroups]);
+  }, [gearGroupMap, inZoneGearGroups, outZoneGearGroups]);
 
   const handleGearGroupZoom = useCallback((parentName: string) => {
     setSelectedGearGroup(prev => prev === parentName ? null : parentName);

frontend/src/components/korea/KoreaMap.tsx

@@ -698,7 +698,7 @@ export function KoreaMap({ ships, allShips, aircraft, satellites, layers, osintF
             case 'cableWatch': return all.filter(s => cableWatchSuspects.has(s.mmsi));
             case 'dokdoWatch': return all.filter(s => dokdoWatchSuspects.has(s.mmsi));
             case 'ferryWatch': return all.filter(s => s.mtCategory === 'passenger');
-            case 'cnFishing': return all.filter(s => (s.flag === 'CN' && s.mtCategory === 'fishing') || gearPattern.test(s.name || ''));
+            case 'cnFishing': return all.filter(s => gearPattern.test(s.name || ''));
             default: return [];
           }
         };
@@ -721,12 +721,21 @@ export function KoreaMap({ ships, allShips, aircraft, satellites, layers, osintF
             <div className="absolute top-2.5 left-1/2 -translate-x-1/2 z-20 flex gap-1.5 backdrop-blur-lg">
               {active.map(k => {
                 const color = FILTER_COLOR[k];
-                const count = getShipsForFilter(k).length;
+                const filterShips = getShipsForFilter(k);
                 const isOpen = activeBadgeFilter === k;
+                // cnFishing: 어구그룹 수(고유 모선명)로 표시, 나머지: 선박 수
+                let badgeLabel: string;
+                if (k === 'cnFishing') {
+                  const groupNames = new Set(filterShips.map(s => (s.name || '').match(/^(.+?)_\d+/)?.[1]).filter(Boolean));
+                  badgeLabel = `${groupNames.size}개`;
+                } else {
+                  badgeLabel = `${filterShips.length}척`;
+                }
+                const badgeName = k === 'cnFishing' ? '중국 어구그룹 감시' : (FILTER_I18N_KEY[k] ? t(FILTER_I18N_KEY[k]) : k);
                 return (
                   <div
                     key={k}
-                    className={`rounded-lg px-3 py-1.5 font-mono text-[11px] font-bold flex items-center gap-1.5 cursor-pointer select-none ${isOpen ? '' : 'animate-pulse'}`}
+                    className={`rounded-lg px-3 py-1.5 font-mono text-[11px] font-bold flex items-center gap-1.5 cursor-pointer select-none whitespace-nowrap ${isOpen ? '' : 'animate-pulse'}`}
                     style={{
                       background: isOpen ? `${color}44` : `${color}22`,
                       border: `1px solid ${isOpen ? color : color + '88'}`,
@@ -735,8 +744,8 @@ export function KoreaMap({ ships, allShips, aircraft, satellites, layers, osintF
                     onClick={() => setActiveBadgeFilter(prev => prev === k ? null : k)}
                   >
                     <span className="text-[13px]">{FILTER_ICON[k]}</span>
-                    {FILTER_I18N_KEY[k] ? t(FILTER_I18N_KEY[k]) : k}
+                    {badgeName}
-                    <span className="ml-0.5 text-white/80">{count}척</span>
+                    <span className="ml-0.5 text-white/80">{badgeLabel}</span>
                   </div>
                 );
               })}