fix: 修复跨境定位后的 MapKit 坐标偏移

Tests/PaopaoLocationSpooferTests/FavoriteLocationStoreTests.swift

@@ -122,6 +122,43 @@ final class FavoriteLocationStoreTests: XCTestCase {
         XCTAssertNil(CoordinateConverter.diagnoseRepresentation(sample: unrelated, pair: pair).inferredSystem)
     }
 
+    @MainActor
+    func testDetectedMapCoordinateSystemChangePreventsHongKongWGS84DoubleConversion() {
+        let original = CoordinateConverter.currentMapCoordinateSystem
+        defer { _ = CoordinateConverter.applyDetectedMapCoordinateSystem(original) }
+        _ = CoordinateConverter.applyDetectedMapCoordinateSystem(.gcj02)
+
+        let hongKongObservatory = CLLocationCoordinate2D(
+            latitude: 22.302_344,
+            longitude: 114.174_566
+        )
+        let stalePair = CoordinatePair(
+            mapCoordinate: hongKongObservatory,
+            mapCoordinateSystem: CoordinateConverter.currentMapCoordinateSystem
+        )
+
+        let change = CoordinateConverter.applyDetectedMapCoordinateSystem(.wgs84)
+        let pair = CoordinatePair(
+            mapCoordinate: hongKongObservatory,
+            mapCoordinateSystem: CoordinateConverter.currentMapCoordinateSystem
+        )
+
+        XCTAssertEqual(change?.previous, .gcj02)
+        XCTAssertEqual(change?.current, .wgs84)
+        XCTAssertNotEqual(stalePair.wgs84.longitude, hongKongObservatory.longitude)
+        XCTAssertEqual(pair.wgs84.latitude, hongKongObservatory.latitude, accuracy: 0.000_000_1)
+        XCTAssertEqual(pair.wgs84.longitude, hongKongObservatory.longitude, accuracy: 0.000_000_1)
+    }
+
+    @MainActor
+    func testApplyingSameDetectedMapCoordinateSystemDoesNotReportAChange() {
+        let original = CoordinateConverter.currentMapCoordinateSystem
+        defer { _ = CoordinateConverter.applyDetectedMapCoordinateSystem(original) }
+        _ = CoordinateConverter.applyDetectedMapCoordinateSystem(.gcj02)
+
+        XCTAssertNil(CoordinateConverter.applyDetectedMapCoordinateSystem(.gcj02))
+    }
+
     func testMapConfigurationNeverRequestsRealUserLocation() {
         XCTAssertFalse(MapConfiguration.default.showsUserLocation)
         XCTAssertFalse(MapConfiguration.default.allowsCurrentLocationRequest)

Tests/map_refactor_contract_test.sh

@@ -65,6 +65,12 @@ if grep -q 'logEvent("CONNECT " + host + " -> passthrough")' "$ROOT/Core/proxy.g
 fi
 grep -q 'enum SystemSettingsNavigator' "$SETTINGS_NAVIGATOR" || fail "shared settings navigator is missing"
 grep -q 'await CoordinateConverter.resolveInitialMapCoordinateSystem()' "$CONTENT" || fail "map type must resolve before MapHomeView construction"
+grep -q 'static func refreshMapCoordinateSystem() async' "$CONVERTER" || fail "runtime MapKit coordinate-system changes must reuse the fixed-anchor probe"
+grep -q 'fixedAnchorCoordinateSystemProbe()' "$CONVERTER" || fail "runtime coordinate-system refresh must use the location-independent fixed anchor"
+test "$(grep -c 'initialMapCoordinateSystemUsedFallback = false' "$CONVERTER")" -ge 2 || fail "a successful runtime anchor probe must disable location-region fallback correction"
+grep -q 'refreshMapCoordinateSystemAfterLocationEnvironmentChange' "$MAP_HOME" || fail "MapHomeView must refresh the coordinate system after spoofing changes the location environment"
+grep -q 'nearestTargetDistance' "$MAP_HOME" || fail "spoof refresh must wait until the MapKit blue point reaches the active target"
+grep -q 'reprojectMapSelection(for: change)' "$MAP_HOME" || fail "coordinate-system refresh must replay the persisted coordinate pair"
 grep -q 'phase = .map' "$CONTENT" || fail "ContentView must explicitly gate MapHomeView construction"
 ! grep -q 'startTileProbe' "$MAP_HOME" || fail "MapHomeView must not start a second fixed-anchor coordinate-system probe"
 ! grep -q 'initializeMap()' "$MAP_HOME" || fail "MapHomeView must not replay a second map initialization from onAppear"