feat: 完善相册 AI 修图模板选择流程

suixinkan/UI/TravelAlbum/TravelAlbumPhotoPreviewViewController.swift

@@ -10,8 +10,8 @@ import UIKit
 /// 相册项目续页回调，返回当前筛选和排序下的完整已加载项目及总数。
 typealias TravelAlbumPreviewLoadMore = () async -> (projects: [TravelAlbumPreviewProject], totalCount: Int)
 
-/// 相册项目刷新回调，失败时由预览页保留当前内容并展示错误。
-typealias TravelAlbumPreviewReload = () async throws -> (projects: [TravelAlbumPreviewProject], totalCount: Int)
+/// 相册项目定向刷新回调，根据原素材 ID 返回该项目的最新数据。
+typealias TravelAlbumPreviewReload = (_ materialId: Int) async throws -> TravelAlbumPreviewProject
 
 /// 旅拍相册全屏图片预览页，支持项目分页、关联图 Tab、缩放和沉浸式工具栏。
 final class TravelAlbumPhotoPreviewViewController: UIViewController {
@@ -481,7 +481,7 @@ final class TravelAlbumPhotoPreviewViewController: UIViewController {
             onSubmitted: { [weak self] in
                 guard let self else { return }
                 self.showPreviewToast("AI修图任务已提交")
-                self.reloadProjects(showSuccessToast: false, forceRefreshImage: false)
+                self.reloadProjects(showGlobalLoading: false, forceRefreshImage: false)
             }
         )
         present(controller, animated: true)
@@ -578,32 +578,36 @@ final class TravelAlbumPhotoPreviewViewController: UIViewController {
     }
 
     @objc private func refreshTapped() {
-        reloadProjects(showSuccessToast: true, forceRefreshImage: true)
+        reloadProjects(showGlobalLoading: true, forceRefreshImage: true)
     }
 
-    private func reloadProjects(showSuccessToast: Bool, forceRefreshImage: Bool) {
+    private func reloadProjects(showGlobalLoading: Bool, forceRefreshImage: Bool) {
         guard !isRefreshingProject else { return }
-        guard let reload else {
-            if showSuccessToast { showPreviewToast("关联图片刷新接口待接入") }
-            return
-        }
+        guard let reload else { return }
         isRefreshingProject = true
         updateRefreshButton()
+        if showGlobalLoading { GlobalLoadingManager.shared.show() }
         let currentProjectId = currentProject?.id
         let currentProjectIndex = currentNode?.projectIndex ?? 0
         let kind = currentAsset?.kind ?? .original
 
         Task { [weak self] in
+            defer {
+                if showGlobalLoading { GlobalLoadingManager.shared.hide() }
+            }
             guard let self else { return }
             do {
-                let result = try await reload()
+                guard let currentProjectId else {
+                    self.isRefreshingProject = false
+                    self.updateRefreshButton()
+                    return
+                }
+                let project = try await reload(currentProjectId)
                 self.applySuccessfulReload(
-                    projects: result.projects,
-                    totalCount: result.totalCount,
+                    project: project,
                     currentProjectId: currentProjectId,
                     fallbackProjectIndex: currentProjectIndex,
                     kind: kind,
-                    showSuccessToast: showSuccessToast,
                     forceRefreshImage: forceRefreshImage
                 )
             } catch is CancellationError {
@@ -612,37 +616,28 @@ final class TravelAlbumPhotoPreviewViewController: UIViewController {
             } catch {
                 self.isRefreshingProject = false
                 self.updateRefreshButton()
-                if showSuccessToast {
-                    let message = error.localizedDescription.trimmingCharacters(in: .whitespacesAndNewlines)
-                    self.showPreviewToast(message.isEmpty ? "刷新失败" : message)
-                }
             }
         }
     }
 
     private func applySuccessfulReload(
-        projects refreshedProjects: [TravelAlbumPreviewProject],
-        totalCount: Int,
-        currentProjectId: Int?,
+        project refreshedProject: TravelAlbumPreviewProject,
+        currentProjectId: Int,
         fallbackProjectIndex: Int,
         kind: TravelAlbumPreviewAssetKind,
-        showSuccessToast: Bool,
         forceRefreshImage: Bool
     ) {
-        let incoming = Self.deduplicated(refreshedProjects)
-        guard !incoming.isEmpty else {
+        guard !projects.isEmpty else {
             isRefreshingProject = false
             updateRefreshButton()
-            if showSuccessToast { dismiss(animated: true) }
+            dismiss(animated: true)
             return
         }
 
-        projects = incoming
-        self.totalCount = max(totalCount, incoming.count)
-        let targetProjectIndex = currentProjectId.flatMap { id in
-            incoming.firstIndex { $0.id == id }
-        } ?? min(max(0, fallbackProjectIndex), incoming.count - 1)
-        let resolvedKind = incoming[targetProjectIndex].asset(for: kind) == nil ? .original : kind
+        let targetProjectIndex = projects.firstIndex { $0.id == currentProjectId }
+            ?? min(max(0, fallbackProjectIndex), projects.count - 1)
+        projects[targetProjectIndex] = refreshedProject
+        let resolvedKind = refreshedProject.asset(for: kind) == nil ? .original : kind
         selectedKind = resolvedKind
         rebuildNodes(keepingProjectIndex: targetProjectIndex, kind: resolvedKind)
         collectionView.reloadData()
@@ -652,7 +647,6 @@ final class TravelAlbumPhotoPreviewViewController: UIViewController {
         if forceRefreshImage { forceRefreshCurrentImage() }
         isRefreshingProject = false
         updateRefreshButton()
-        if showSuccessToast { showPreviewToast("刷新成功") }
     }
 
     private func forceRefreshCurrentImage() {