feat: consolidate skin policy, furniture and world NPC work

src/business/world_npc/world_npc.registry.ts

@@ -29,7 +29,7 @@ export const WORLD_NPC_DEFINITIONS: readonly WorldNpcDefinition[] = [
     dailyFocus: '巡视码头与广场，收集水路消息并帮助居民',
     homeLocationId: 'square_dock_guide',
     stationary: true,
-    fixedPosition: { x: -825, y: 437 },
+    fixedPosition: { x: -825, y: 475 },
     scene: 'dock_crayfish',
   },
   {

src/business/world_npc/world_npc.world.ts

@@ -18,7 +18,8 @@ export const WORLD_LOCATIONS: readonly WorldLocation[] = [
   {
     id: 'square_dock_guide', mapId: 'whale_port', name: '码头向导岗', x: -720, y: 437,
     tags: ['organize', 'socialize', 'reflect'],
-    slots: [{ x: -900, y: 437 }, { x: -780, y: 437 }, { x: -660, y: 437 }, { x: -540, y: 437 }],
+    // Approach the inland path below the dock's southeast mooring post.
+    slots: [{ x: -900, y: 480 }, { x: -780, y: 437 }, { x: -660, y: 437 }, { x: -540, y: 437 }],
   },
   {
     id: 'square_dock_research', mapId: 'whale_port', name: '广场海边研究点', x: -400, y: -180,
@@ -28,10 +29,9 @@ export const WORLD_LOCATIONS: readonly WorldLocation[] = [
   {
     id: 'square_forum', mapId: 'whale_port', name: '广场交流区', x: 0, y: -280,
     tags: ['socialize', 'share'],
-    // Keep every visual standing point clear of the fountain footprint. The
-    // last point is used by Niulai; -150 is too close once his sprite height
-    // and ground anchor are accounted for.
-    slots: [{ x: 0, y: -430 }, { x: 0, y: -340 }, { x: 0, y: 325 }, { x: 0, y: -240 }],
+    // All slots connect directly to the north walkway. Keep them on this side
+    // of the fountain so entering or leaving a slot never crosses the basin.
+    slots: [{ x: 0, y: -430 }, { x: 0, y: -340 }, { x: 160, y: -380 }, { x: 0, y: -240 }],
   },
   {
     id: 'square_notice_board', mapId: 'whale_port', name: '广场公告栏', x: -520, y: 480,