Improve summit terrain, mobile HUD and multiplayer night equipment

Add the Blender flashlight asset with a 600 lm beam and reduced bloom, shared-mode self badge, and compact phone controls. Relocate the summit marker, blend terrain seams, widen walking routes, and align local server configuration on port 2027.

scripts/constants/marker-location.json

@@ -0,0 +1,11 @@
+{
+  "source": "User-supplied Naver place 11491310 coordinate and annotated north-up satellite screenshot, 2026-10-31",
+  "pin": { "latitude": 37.445208, "longitude": 126.96413 },
+  "pinTipPixels": [206, 175],
+  "markerCenterPixels": [231, 230],
+  "metersPerPixel": 0.2,
+  "scaleNote": "Approximately 50px per 10m in the same 18.30 zoom satellite view; screenshot registration is approximate.",
+  "estimatedUncertaintyMeters": 3,
+  "offsetFromPinMeters": [5, 11],
+  "offsetFromStartMeters": [-2.9642, -43.1612]
+}

scripts/constants/sunrise-wish.ts

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+export const SUNRISE_WISH = {
+  width: 1080, height: 1920, fps: 30, seconds: 10,
+  from: Date.parse('2026-11-06T06:55:00+09:00'),
+  to: Date.parse('2026-11-06T07:28:00+09:00'),
+  heading: 109, pitch: 5, fieldOfView: 30,
+} as const;