🚚 Rename watchOS project to proper one

ios/Solian Watch App/ViewModels/ActivityViewModel.swift

@@ -0,0 +1,73 @@
+//
+//  ActivityViewModel.swift
+//  WatchRunner Watch App
+//
+//  Created by LittleSheep on 2025/10/29.
+//
+
+import Foundation
+import Combine
+
+// MARK: - View Models
+
+@MainActor
+class ActivityViewModel: ObservableObject {
+    @Published var activities: [SnActivity] = []
+    @Published var isLoading = false
+    @Published var isLoadingMore = false
+    @Published var errorMessage: String?
+    @Published var hasMore = false
+
+    private let networkService = NetworkService()
+    let filter: String
+    private var isMock = false
+    private var hasFetched = false
+    private var nextCursor: String?
+
+    init(filter: String, mockActivities: [SnActivity]? = nil) {
+        self.filter = filter
+        if let mockActivities = mockActivities {
+            self.activities = mockActivities
+            self.isMock = true
+        }
+    }
+
+    func fetchActivities(token: String, serverUrl: String) async {
+        if isMock || hasFetched { return }
+        guard !isLoading else { return }
+        isLoading = true
+        errorMessage = nil
+        hasFetched = true
+        nextCursor = nil
+
+        do {
+            let response = try await networkService.fetchActivities(filter: filter, cursor: nil, token: token, serverUrl: serverUrl)
+            self.activities = response.activities
+            self.hasMore = response.hasMore
+            self.nextCursor = response.nextCursor
+        } catch {
+            self.errorMessage = error.localizedDescription
+            print("[watchOS] fetchActivities failed with error: \(error)")
+            hasFetched = false
+        }
+
+        isLoading = false
+    }
+
+    func loadMoreActivities(token: String, serverUrl: String) async {
+        guard !isLoadingMore && hasMore && nextCursor != nil else { return }
+        isLoadingMore = true
+
+        do {
+            let response = try await networkService.fetchActivities(filter: filter, cursor: nextCursor, token: token, serverUrl: serverUrl)
+            self.activities.append(contentsOf: response.activities)
+            self.hasMore = response.hasMore
+            self.nextCursor = response.nextCursor
+        } catch {
+            self.errorMessage = error.localizedDescription
+            print("[watchOS] loadMoreActivities failed with error: \(error)")
+        }
+
+        isLoadingMore = false
+    }
+}