fix: unify location report state

suixinkan/Features/Home/ViewModels/HomeViewModel.swift

@@ -37,7 +37,7 @@ final class HomeViewModel {
 
     init(
         appStore: AppStore = .shared,
-        locationStateStore: HomeLocationStateStore = HomeLocationStateStore(),
+        locationStateStore: HomeLocationStateStore = .shared,
         commonMenuStore: HomeCommonMenuStore = HomeCommonMenuStore(),
         locationProvider: any LocationProviding = LocationProvider.shared
     ) {
@@ -50,11 +50,15 @@ final class HomeViewModel {
             locationProvider: locationProvider
         )
         self.commonMenuStore = commonMenuStore
-        self.locationStateStore.onStateChange = { [weak self] in
+        self.locationStateStore.observe(self) { [weak self] in
             self?.notifyStateChange()
         }
     }
 
+    deinit {
+        locationStateStore.removeObserver(self)
+    }
+
     var isOnline: Bool { locationStateStore.isOnline }
     var countdownDisplayText: String { locationStateStore.countdownDisplayText }
     var reminderMinutes: Int { locationStateStore.reminderMinutes }
@@ -73,6 +77,7 @@ final class HomeViewModel {
 
     /// 按需重新拉取权限。
     func reloadIfNeeded(api: HomeAPI) async {
+        locationStateStore.restoreStateIfNeeded()
         guard needsPermissionReload else {
             refreshLocalDisplayState()
             rebuildCommonMenus()