feat: RoutePanel 미니맵 추가 및 StationOverlay altitude 필드명 수정

- RoutePanel: 세로 미니맵 패널 — 측점/POI 위치 표시, 오렌지 마커 드래그로 seek
- VideoPlayer: RoutePanel 통합 (showStations 토글 연동)
- StationOverlay: smoothFrame에서 alt → altitude 타입 오류 수정

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

client/src/components/overlay/RoutePanel.tsx

@@ -0,0 +1,330 @@
+import React, { useEffect, useRef, useState, useCallback } from 'react';
+import {
+  toCameraCoords,
+  pixelFromCamera,
+  type DroneFrameBasic,
+  DEFAULT_CAMERA_PARAMS,
+} from '../../utils/geoProjection';
+
+interface GeoPoint {
+  title: string;
+  category: string;
+  lat: number;
+  lon: number;
+  z: number;
+  type: string;
+}
+
+interface RoutePanelProps {
+  currentTime: number;
+  visible: boolean;
+  onSeek: (time: number) => void;
+}
+
+const VIDEO_FPS = 30000 / 1001;
+
+function stationKm(title: string): number {
+  const m = title.match(/(\d+)[Kk](\d+)/);
+  if (!m) return -1;
+  return parseInt(m[1]) * 1000 + parseInt(m[2]);
+}
+
+const CATEGORY_EMOJI: Record<string, string> = {
+  '\uD130\uB110': '\uD83D\uDE87',
+  '\uAD50\uB7C9': '\uD83C\uDF09',
+  '\uC5ED\uC0AC': '\uD83D\uDE89',
+  '\uC9C0\uC7A5\uBB3C': '\uD83C\uDFE2',
+  '\uCE21\uC810': '\uD83D\uDCCD',
+};
+
+function poiKm(poi: GeoPoint, stations: GeoPoint[]): number {
+  if (!stations.length) return -1;
+  const sorted = [...stations]
+    .map(st => ({
+      st,
+      d: (poi.lat - st.lat) ** 2 + (poi.lon - st.lon) ** 2,
+    }))
+    .sort((a, b) => a.d - b.d);
+  const a = sorted[0], b = sorted[1];
+  if (!b || b.d === 0) return stationKm(a.st.title);
+  const ka = stationKm(a.st.title), kb = stationKm(b.st.title);
+  if (ka < 0 || kb < 0) return ka >= 0 ? ka : kb;
+  const t = a.d / (a.d + b.d);
+  return Math.round(ka + (kb - ka) * t);
+}
+
+export default function RoutePanel({ currentTime, visible, onSeek }: RoutePanelProps) {
+  const [stations, setStations] = useState<GeoPoint[]>([]);
+  const [pois, setPois] = useState<GeoPoint[]>([]);
+  const [droneFramesLoaded, setDroneFramesLoaded] = useState(false);
+  const allDroneFramesRef = useRef<DroneFrameBasic[]>([]);
+  const [currentKm, setCurrentKm] = useState(0);
+  const [currentStationTitle, setCurrentStationTitle] = useState('');
+  const [visibleRange, setVisibleRange] = useState<{ minKm: number; maxKm: number } | null>(null);
+  const panelRef = useRef<HTMLDivElement>(null);
+  const [dragYPct, setDragYPct] = useState(0);
+  const [dragging, setDragging] = useState(false);
+
+  // Load POIs and stations
+  useEffect(() => {
+    if (!visible) return;
+    fetch('/api/geo/pois')
+      .then(r => r.json())
+      .then((data: GeoPoint[]) => {
+        setStations(data.filter(p => p.type === 'station'));
+        setPois(data.filter(p => p.type === 'poi'));
+      })
+      .catch(() => {});
+  }, [visible]);
+
+  // Load drone frames when visible and not yet loaded
+  useEffect(() => {
+    if (!visible || droneFramesLoaded) return;
+    fetch('/api/geo/frames?step=1')
+      .then(r => r.json())
+      .then((data: DroneFrameBasic[]) => {
+        allDroneFramesRef.current = data;
+        setDroneFramesLoaded(true);
+      })
+      .catch(() => {});
+  }, [visible, droneFramesLoaded]);
+
+  // Update current km and visible range based on currentTime
+  useEffect(() => {
+    if (!droneFramesLoaded) return;
+    const frames = allDroneFramesRef.current;
+    if (!frames.length || !stations.length) return;
+
+    // Find closest frame by time
+    const targetFrame = Math.round(currentTime * VIDEO_FPS);
+    let closest = frames[0];
+    let closestDist = Math.abs(closest.frame - targetFrame);
+    for (let i = 1; i < frames.length; i++) {
+      const d = Math.abs(frames[i].frame - targetFrame);
+      if (d < closestDist) {
+        closest = frames[i];
+        closestDist = d;
+      }
+    }
+
+    // Find nearest station to current drone position
+    const validStations = stations.filter(s => stationKm(s.title) >= 0);
+    if (!validStations.length) return;
+
+    let nearestStation = validStations[0];
+    let nearestDist = (closest.lat - nearestStation.lat) ** 2 + (closest.lon - nearestStation.lon) ** 2;
+    for (let i = 1; i < validStations.length; i++) {
+      const d = (closest.lat - validStations[i].lat) ** 2 + (closest.lon - validStations[i].lon) ** 2;
+      if (d < nearestDist) {
+        nearestStation = validStations[i];
+        nearestDist = d;
+      }
+    }
+    setCurrentKm(stationKm(nearestStation.title));
+    setCurrentStationTitle(nearestStation.title);
+
+    // Calculate visible range (green box)
+    const allPoints = [...validStations, ...pois];
+    const visibleKms: number[] = [];
+    for (const pt of allPoints) {
+      const cc = toCameraCoords(closest, pt.lat, pt.lon, pt.z, DEFAULT_CAMERA_PARAMS);
+      if (cc.Zc <= 0) continue;
+      const { pyRaw } = pixelFromCamera(cc, DEFAULT_CAMERA_PARAMS);
+      if (pyRaw >= 0.0 && pyRaw <= 1.0) {
+        const km = pt.type === 'station' ? stationKm(pt.title) : poiKm(pt, validStations);
+        if (km >= 0) visibleKms.push(km);
+      }
+    }
+    if (visibleKms.length >= 2) {
+      setVisibleRange({
+        minKm: Math.min(...visibleKms),
+        maxKm: Math.max(...visibleKms),
+      });
+    } else {
+      setVisibleRange(null);
+    }
+  }, [currentTime, droneFramesLoaded, stations, pois]);
+
+  // Drag handling
+  const handleMouseDown = useCallback((e: React.MouseEvent) => {
+    e.preventDefault();
+    setDragging(true);
+  }, []);
+
+  useEffect(() => {
+    if (!dragging) return;
+
+    const handleMouseMove = (e: MouseEvent) => {
+      if (!panelRef.current) return;
+      const rect = panelRef.current.getBoundingClientRect();
+      const y = Math.max(0, Math.min(1, (e.clientY - rect.top) / rect.height));
+      setDragYPct(y * 100);
+    };
+
+    const handleMouseUp = (e: MouseEvent) => {
+      setDragging(false);
+      if (!panelRef.current) return;
+      const rect = panelRef.current.getBoundingClientRect();
+      const yPct = Math.max(0, Math.min(1, (e.clientY - rect.top) / rect.height));
+
+      const validStations = stations.filter(s => stationKm(s.title) >= 0);
+      if (validStations.length < 2) return;
+
+      const allKms = [
+        ...validStations.map(s => stationKm(s.title)),
+        ...pois.map(p => poiKm(p, validStations)).filter(k => k >= 0),
+      ];
+      const minK = Math.min(...allKms);
+      const maxK = Math.max(...allKms);
+      const targetKm = minK + yPct * (maxK - minK);
+
+      // Find closest station to target km
+      let bestStation = validStations[0];
+      let bestDiff = Math.abs(stationKm(bestStation.title) - targetKm);
+      for (let i = 1; i < validStations.length; i++) {
+        const diff = Math.abs(stationKm(validStations[i].title) - targetKm);
+        if (diff < bestDiff) {
+          bestStation = validStations[i];
+          bestDiff = diff;
+        }
+      }
+
+      // Find closest drone frame to that station's lat/lon
+      const frames = allDroneFramesRef.current;
+      if (!frames.length) return;
+      let bestFrame = frames[0];
+      let bestFrameDist = (bestFrame.lat - bestStation.lat) ** 2 + (bestFrame.lon - bestStation.lon) ** 2;
+      for (let i = 1; i < frames.length; i++) {
+        const d = (frames[i].lat - bestStation.lat) ** 2 + (frames[i].lon - bestStation.lon) ** 2;
+        if (d < bestFrameDist) {
+          bestFrame = frames[i];
+          bestFrameDist = d;
+        }
+      }
+      onSeek(bestFrame.frame / VIDEO_FPS);
+    };
+
+    window.addEventListener('mousemove', handleMouseMove);
+    window.addEventListener('mouseup', handleMouseUp);
+    return () => {
+      window.removeEventListener('mousemove', handleMouseMove);
+      window.removeEventListener('mouseup', handleMouseUp);
+    };
+  }, [dragging, stations, pois, onSeek]);
+
+  // Render guard
+  if (!visible || stations.length === 0) return null;
+  const validStations = stations.filter(s => stationKm(s.title) >= 0);
+  if (validStations.length < 2) return null;
+
+  const allKms = [
+    ...validStations.map(s => stationKm(s.title)),
+    ...pois.map(p => poiKm(p, validStations)).filter(k => k >= 0),
+  ];
+  const minKm = Math.min(...allKms);
+  const maxKm = Math.max(...allKms);
+  const kmToY = (km: number) => ((km - minKm) / (maxKm - minKm)) * 100;
+
+  return (
+    <div
+      ref={panelRef}
+      className="absolute left-0 top-0 h-full w-24 bg-black/80 border-r border-white/10 z-30"
+    >
+      {/* Center vertical line */}
+      <div
+        className="absolute top-0 bottom-0"
+        style={{ left: 36, width: 2, background: 'rgba(255,255,255,0.3)' }}
+      />
+
+      {/* Stations */}
+      {validStations.map((st, i) => {
+        const km = stationKm(st.title);
+        if (km < 0) return null;
+        return (
+          <div
+            key={`st-${i}`}
+            className="absolute flex items-center"
+            style={{ top: `${kmToY(km)}%`, transform: 'translateY(-50%)', left: 0, right: 0 }}
+          >
+            <div className="text-[9px] text-white/70 text-right" style={{ width: 34 }}>
+              {st.title}
+            </div>
+            <div style={{ position: 'absolute', left: 33, width: 8, display: 'flex', justifyContent: 'center' }}>
+              <div className="w-2 h-2 rounded-full bg-white/60" />
+            </div>
+          </div>
+        );
+      })}
+
+      {/* POIs */}
+      {pois.map((poi, i) => {
+        const km = poiKm(poi, validStations);
+        if (km < 0) return null;
+        return (
+          <div
+            key={`poi-${i}`}
+            className="absolute flex items-center"
+            style={{ top: `${kmToY(km)}%`, transform: 'translateY(-50%)', left: 0, right: 0 }}
+          >
+            <div className="text-[11px] text-right" style={{ width: 34 }}>
+              {CATEGORY_EMOJI[poi.category] || '\uD83D\uDCCD'}
+            </div>
+            <div style={{ position: 'absolute', left: 33, width: 8, display: 'flex', justifyContent: 'center' }}>
+              <div className="w-1.5 h-1.5 rounded-full bg-cyan-400/70" />
+            </div>
+            <div
+              className="text-[8px] text-cyan-300/80 truncate"
+              style={{ position: 'absolute', left: 44, right: 2 }}
+            >
+              {poi.title}
+            </div>
+          </div>
+        );
+      })}
+
+      {/* Green visible range box */}
+      {visibleRange && (
+        <div
+          className="absolute pointer-events-none"
+          style={{
+            left: 30,
+            right: 4,
+            top: `${kmToY(visibleRange.minKm)}%`,
+            bottom: `${100 - kmToY(visibleRange.maxKm)}%`,
+            border: '1px solid rgba(74,222,128,0.7)',
+            background: 'rgba(74,222,128,0.08)',
+          }}
+        />
+      )}
+
+      {/* Orange current position marker */}
+      <div
+        className="absolute left-0 right-0 flex items-center cursor-grab z-10"
+        style={{
+          top: `${dragging ? dragYPct : kmToY(currentKm)}%`,
+          transform: 'translateY(-50%)',
+        }}
+        onMouseDown={handleMouseDown}
+      >
+        <div
+          style={{
+            position: 'absolute',
+            left: 30,
+            width: 12,
+            height: 12,
+            borderRadius: '50%',
+            background: '#f97316',
+            border: '2px solid white',
+            transform: 'translateX(-50%)',
+          }}
+        />
+        <div
+          style={{ position: 'absolute', left: 44 }}
+          className="bg-orange-500 text-white text-[9px] font-bold px-1.5 py-0.5 rounded whitespace-nowrap"
+        >
+          {currentStationTitle}
+        </div>
+      </div>
+    </div>
+  );
+}

client/src/components/overlay/StationOverlay.tsx

@@ -41,10 +41,19 @@ interface Props {
   visible: boolean;
 }
 
+// category → 이모지
+const CATEGORY_EMOJI: Record<string, string> = {
+  '터널': '🚇',
+  '교량': '🌉',
+  '역사': '🚉',
+  '지장물': '🏢',
+  '측점': '📍',
+};
+
 // 텍스트 사전 계산 캐시 (Map<frameNum, LabelCache>)
 interface LabelCache {
   stationLabels: { sx: number; sy: number; title: string }[];
-  poiMarkers: { x: number; y: number; title: string }[];
+  poiMarkers: { x: number; y: number; title: string; category: string }[];
 }
 
 // 중심선 + 나침반 렌더 캐시 (per-frame, renderCacheRef)
@@ -205,17 +214,17 @@ export default function StationOverlay({ currentFrame, currentTime, fps, visible
     const lo = Math.max(0, i - halfWin);
     const hi = Math.min(frames.length - 1, i + halfWin);
     const n = hi - lo + 1;
-    let lat = 0, lon = 0, alt = 0, pitch = 0, roll = 0, sinYaw = 0, cosYaw = 0;
+    let lat = 0, lon = 0, altitude = 0, pitch = 0, roll = 0, sinYaw = 0, cosYaw = 0;
     for (let k = lo; k <= hi; k++) {
       const f = frames[k];
-      lat += f.lat; lon += f.lon; alt += f.alt;
+      lat += f.lat; lon += f.lon; altitude += f.altitude;
       pitch += f.pitch; roll += f.roll;
       const yr = f.yaw * Math.PI / 180;
       sinYaw += Math.sin(yr); cosYaw += Math.cos(yr);
     }
     return {
       ...frames[i],
-      lat: lat / n, lon: lon / n, alt: alt / n,
+      lat: lat / n, lon: lon / n, altitude: altitude / n,
       pitch: pitch / n, roll: roll / n,
       yaw: Math.atan2(sinYaw / n, cosYaw / n) * 180 / Math.PI,
     };
@@ -262,7 +271,7 @@ export default function StationOverlay({ currentFrame, currentTime, fps, visible
           if (cc.Zc < CLIP_Z) continue;
           const { pxRaw, pyRaw } = pixelFromCamera(cc, currentParams);
           if (pxRaw < -0.02 || pxRaw > 1.02 || pyRaw < -0.02 || pyRaw > 1.02) continue;
-          poiMarkers.push({ x: pxRaw, y: pyRaw, title: poi.title });
+          poiMarkers.push({ x: pxRaw, y: pyRaw, title: poi.title, category: poi.category });
         }
 
         newMap.set(drone.frame, { stationLabels, poiMarkers });
@@ -484,15 +493,16 @@ export default function StationOverlay({ currentFrame, currentTime, fps, visible
           ctx.moveTo(px-r, py); ctx.lineTo(px+r, py);
           ctx.moveTo(px, py-r); ctx.lineTo(px, py+r);
           ctx.stroke();
-          // 텍스트 테두리
+          // 이모지 + 텍스트
+          const emoji = CATEGORY_EMOJI[poiA.category] ?? '📌';
+          const label = `${emoji} ${poiA.title}`;
           const lx = Math.max(2, px + 14);
           ctx.strokeStyle = 'rgba(0,0,0,0.85)'; ctx.lineWidth = 4;
           ctx.lineJoin = 'round';
           ctx.textBaseline = 'middle';
-          ctx.strokeText(poiA.title, lx, py);
-          // 텍스트 본문
+          ctx.strokeText(label, lx, py);
           ctx.fillStyle = '#64c8ff';
-          ctx.fillText(poiA.title, lx, py);
+          ctx.fillText(label, lx, py);
           ctx.textBaseline = 'alphabetic';
         });
       }

client/src/components/player/VideoPlayer.tsx

@@ -1,5 +1,6 @@
 import React, { useRef, useImperativeHandle, forwardRef, useState } from 'react';
 import StationOverlay from '../overlay/StationOverlay';
+import RoutePanel from '../overlay/RoutePanel';
 import 'video.js/dist/video-js.css';
 import { useVideoPlayer } from '../../hooks/useVideoPlayer';
 import { useFrameStep } from '../../hooks/useFrameStep';
@@ -115,6 +116,13 @@ const VideoPlayer = forwardRef<VideoPlayerHandle, VideoPlayerProps>(
           visible={showStations}
         />
 
+        {/* 루트 패널 미니맵 */}
+        <RoutePanel
+          currentTime={currentTime}
+          visible={showStations}
+          onSeek={(time) => playerRef.current?.currentTime(time)}
+        />
+
         {/* Timecode overlay — positioned over video */}
         {source && (
           <div className="absolute bottom-16 left-2 bg-black/70 text-white text-xs px-2 py-1 rounded font-mono pointer-events-none z-10">