feat: initialize sunrise with 100-player shared rooms

src/constants/lobby.ts

@@ -0,0 +1,35 @@
+import { LOCATION_ENABLED } from './locations.ts';
+
+export const APP_NAME = '해보러가기';
+export const LOBBY_CHARACTER = {
+  maxSize: 360,
+  widthFraction: 0.65,
+  heightFraction: 0.55,
+  marginFraction: 0,
+  heading: 160,
+  frameBottom: 0.75,
+  frameTop: 1.5,
+  minimumLightingAltitude: -3,
+} as const;
+export const LOBBY_SUNRISE = {
+  durationMs: 4500,
+  nightHoldMs: 300,
+  from: Date.parse('2026-11-06T05:40:00+09:00'),
+  to: Date.parse('2026-11-06T07:45:00+09:00'),
+  heading: 110,
+  pitch: 12,
+  fieldOfView: 40,
+  maxPixelRatio: 1.5,
+  maxExposure: 0.32,
+} as const;
+export const LOBBY_SERVERS = [
+  { id: 'gwanaksan', name: '관악산 가기', description: '능선 위에서 함께 맞이하는 아침', enabled: LOCATION_ENABLED.gwanaksan },
+  { id: 'hajodae', name: '하조대 가기', description: '바다와 소나무 사이로 떠오르는 해', enabled: LOCATION_ENABLED.hajodae },
+  { id: 'gisamun', name: '기사문 해변 가기', description: '잔잔한 해변에서 기다리는 첫 햇살', enabled: LOCATION_ENABLED.gisamun },
+] as const;
+export const LOBBY = { endpoint: '/api/lobby', timeoutMs: 10000, channelName: '채널 1' } as const;
+
+export interface LobbyData {
+  servers: typeof LOBBY_SERVERS;
+  channel: { id: string; name: string; capacity: number; players: number; available: boolean };
+}