Handle source links going offline during downloads

tests/storage.test.ts

@@ -590,7 +590,8 @@ describe("settings storage", () => {
       providerTertiary: "invalid-provider" as unknown as AppSettings["providerTertiary"],
       cleanupMode: "broken" as unknown as AppSettings["cleanupMode"],
       extractConflictMode: "broken" as unknown as AppSettings["extractConflictMode"],
-      completedCleanupPolicy: "broken" as unknown as AppSettings["completedCleanupPolicy"],
+      completedCleanupPolicy: "broken" as unknown as AppSettings["completedCleanupPolicy"],
+      offlineSkipScope: "broken" as unknown as AppSettings["offlineSkipScope"],
       speedLimitMode: "broken" as unknown as AppSettings["speedLimitMode"],
       maxParallel: 0,
       retryLimit: 999,
@@ -611,7 +612,8 @@ describe("settings storage", () => {
     expect(normalized.providerTertiary).toBe("none");
     expect(normalized.cleanupMode).toBe("none");
     expect(normalized.extractConflictMode).toBe("overwrite");
-    expect(normalized.completedCleanupPolicy).toBe("never");
+    expect(normalized.completedCleanupPolicy).toBe("never");
+    expect(normalized.offlineSkipScope).toBe("archive");
     expect(normalized.speedLimitMode).toBe("global");
     expect(normalized.maxParallel).toBe(1);
     expect(normalized.retryLimit).toBe(99);
@@ -631,6 +633,11 @@ describe("settings storage", () => {
     expect(defaultSettings().proxyConnectionsPerDownload).toBe(32);
   });
 
+  it("uses archive-set skipping by default and preserves an explicit whole-package choice", () => {
+    expect(defaultSettings().offlineSkipScope).toBe("archive");
+    expect(normalizeSettings({ ...defaultSettings(), offlineSkipScope: "package" }).offlineSkipScope).toBe("package");
+  });
+
   it("migrates the previous private update repository to the public release repository", () => {
     for (const updateRepo of [
       "legacy-owner/real-debrid-downloader",