fix: 修复跳转 Apple Maps 坐标偏移问题

Apple Maps 中国大陆底图使用 GCJ-02 坐标系，直接传入数据库存储的
WGS-84 坐标会被错误解析，导致约 300+ 米的位置漂移。
生成导航 URL 前先调用 wgs84ToGcj02() 转换坐标，境外标记不受影响。

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

Author: RicterZ

src/components/map/map-popup.tsx

@@ -6,6 +6,7 @@ import { Popup } from 'react-map-gl/maplibre'
 import { MarkerCoordinates } from '@/types/marker'
 import { useMapStore } from '@/store/map-store'
 import { cn } from '@/utils/cn'
+import { wgs84ToGcj02 } from '@/lib/coord-transform'
 
 interface MapPopupProps {
     coordinates: MarkerCoordinates
@@ -153,7 +154,7 @@ export const MapPopup = ({
                                     {isSidebarShowingThisMarker ? '收起' : '查看'}
                                 </button>
                                 <a
-                                    href={`https://maps.apple.com/?ll=${selectedMarker.coordinates.latitude},${selectedMarker.coordinates.longitude}&q=${encodeURIComponent(selectedMarker.content.title || '标记位置')}`}
+                                    href={(() => { const gcj = wgs84ToGcj02(selectedMarker.coordinates.longitude, selectedMarker.coordinates.latitude); return `https://maps.apple.com/?ll=${gcj.latitude},${gcj.longitude}&q=${encodeURIComponent(selectedMarker.content.title || '标记位置')}` })()}
                                     target="_blank"
                                     rel="noopener noreferrer"
                                     className="flex-1 px-2 py-1.5 text-xs font-medium rounded-lg bg-green-50 text-green-600 hover:bg-green-100 transition-colors flex items-center justify-center gap-1"

src/components/sidebar/sidebar.tsx

@@ -4,6 +4,7 @@ import { useRef, useCallback, useState, useEffect } from 'react'
 import { useMapStore } from '@/store/map-store'
 import { cn } from '@/utils/cn'
 import { toast } from 'sonner'
+import { wgs84ToGcj02 } from '@/lib/coord-transform'
 
 interface SidebarProps {
     onClose?: () => void
@@ -285,7 +286,7 @@ export const Sidebar = ({ onClose }: SidebarProps) => {
 
                         {selectedMarker && (
                             <a
-                                href={`https://maps.apple.com/?ll=${selectedMarker.coordinates.latitude},${selectedMarker.coordinates.longitude}&q=${encodeURIComponent(selectedMarker.content.title || '标记位置')}`}
+                                href={(() => { const gcj = wgs84ToGcj02(selectedMarker.coordinates.longitude, selectedMarker.coordinates.latitude); return `https://maps.apple.com/?ll=${gcj.latitude},${gcj.longitude}&q=${encodeURIComponent(selectedMarker.content.title || '标记位置')}` })()}
                                 target="_blank"
                                 rel="noopener noreferrer"
                                 className="p-2 rounded-lg text-gray-500 hover:text-green-600 hover:bg-green-50 transition-all duration-200 min-h-[40px] min-w-[40px] flex items-center justify-center"