Ignore URLError.cancelled so pull-to-refresh doesn't show a spurious error; bump to 3.5

Pull-to-refresh cancels the still-in-flight request (URLError.cancelled,
localizedDescription 'cancelled') to run the refresh, which surfaced as an
error dialog. Add an isCancellation helper and skip cancellations in the PR
load and CI-runs paths. Bump to 3.5.

GiteaPR.xcodeproj/project.pbxproj

@@ -187,7 +187,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 25;
+				CURRENT_PROJECT_VERSION = 26;
 				DEVELOPMENT_TEAM = "";
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_KEY_CFBundleDisplayName = "GiteaPR";
@@ -197,7 +197,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 3.4;
+				MARKETING_VERSION = 3.5;
 				PRODUCT_BUNDLE_IDENTIFIER = com.bueso.giteapr;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = YES;
@@ -211,7 +211,7 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 25;
+				CURRENT_PROJECT_VERSION = 26;
 				DEVELOPMENT_TEAM = "";
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_KEY_CFBundleDisplayName = "GiteaPR";
@@ -221,7 +221,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 3.4;
+				MARKETING_VERSION = 3.5;
 				PRODUCT_BUNDLE_IDENTIFIER = com.bueso.giteapr;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = YES;

GiteaPR/Detail/PRDetailViewModel.swift

@@ -36,6 +36,18 @@ final class PRDetailViewModel: ObservableObject {
         }
     }
 
+    /// A task cancellation is not a real failure — it happens when a refresh
+    /// (pull-to-refresh / .task / .onAppear) supersedes an in-flight request,
+    /// and surfaces as URLError.cancelled ("cancelled"). These must not be
+    /// shown as errors.
+    private func isCancellation(_ error: Error) -> Bool {
+        if let urlError = error as? URLError {
+            return urlError.code == .cancelled
+        }
+        let ns = error as NSError
+        return ns.domain == NSURLErrorDomain && ns.code == NSURLErrorCancelled
+    }
+
     func load() async {
         guard let client = SettingsStore.shared.client() else { return }
         isLoading = true
@@ -48,6 +60,7 @@ final class PRDetailViewModel: ObservableObject {
         do {
             pr = try await client.pullRequest(owner: owner, repo: repo.name, number: prNumber)
         } catch {
+            if isCancellation(error) { return }   // pull-to-refresh superseded; not a real error
             LogStore.shared.log(.error, "PR \(prNumber): load failed: \(error.localizedDescription)")
             errorMessage = error.localizedDescription
             return
@@ -79,10 +92,13 @@ final class PRDetailViewModel: ObservableObject {
             }
         } catch {
             // CI is best-effort; don't fail the whole detail view, but log it so
-            // a token-scope 403 on the Actions endpoint is visible.
+            // a token-scope 403 on the Actions endpoint is visible. Ignore
+            // cancellations (refresh superseding an in-flight request).
+            if !isCancellation(error) {
                 LogStore.shared.log(.warn, "PR \(prNumber): actions/runs failed: \(error.localizedDescription)")
             }
         }
+    }
 
     func rerun(runID: Int64) async {
         guard let client = SettingsStore.shared.client() else { return }