feat(update): add configurable update download source

apps/desktop/src/stores/__tests__/settingsStore.spec.ts

@@ -9,4 +9,13 @@ describe("normalizeEditorSettings", () => {
   it("preserves disabled automatic table aliases", () => {
     expect(normalizeEditorSettings({ autoAliasTables: false }).autoAliasTables).toBe(false);
   });
+
+  it("defaults update downloads to the official source", () => {
+    expect(normalizeEditorSettings({}).updateDownloadSource).toBe("official");
+  });
+
+  it("preserves CNB update download source and rejects invalid values", () => {
+    expect(normalizeEditorSettings({ updateDownloadSource: "cnb" }).updateDownloadSource).toBe("cnb");
+    expect(normalizeEditorSettings({ updateDownloadSource: "mirror" as any }).updateDownloadSource).toBe("official");
+  });
 });

apps/desktop/src/stores/settingsStore.ts

@@ -58,6 +58,8 @@ export type DesktopIconTheme = "default" | "black";
 
 export type InterfaceLayout = "separated" | "classic";
 
+export type UpdateDownloadSource = "official" | "cnb";
+
 export const DEFAULT_SIDEBAR_TABLE_PAGE_SIZE = 1000;
 
 export const DEFAULT_DESKTOP_SETTINGS: DesktopSettings = {
@@ -359,6 +361,7 @@ export interface EditorSettings {
   exportRowLimitEnabled: boolean;
   exportRowLimit: number;
   queryExportKeysetOptimizationEnabled: boolean;
+  updateDownloadSource: UpdateDownloadSource;
   toolbarItems: ToolbarItems;
 }
 
@@ -462,6 +465,7 @@ export const DEFAULT_EDITOR_SETTINGS: EditorSettings = {
   exportRowLimitEnabled: false,
   exportRowLimit: 100000,
   queryExportKeysetOptimizationEnabled: true,
+  updateDownloadSource: "official",
   toolbarItems: { ...DEFAULT_TOOLBAR_ITEMS },
 };
 
@@ -494,6 +498,10 @@ function normalizeDataGridRenderMode(value: unknown): DataGridRenderMode {
   return DATA_GRID_RENDER_MODES.includes(value as DataGridRenderMode) ? (value as DataGridRenderMode) : DEFAULT_EDITOR_SETTINGS.dataGridRenderMode;
 }
 
+function normalizeUpdateDownloadSource(value: unknown): UpdateDownloadSource {
+  return value === "cnb" ? "cnb" : DEFAULT_EDITOR_SETTINGS.updateDownloadSource;
+}
+
 function normalizeDisconnectTabHandlingMode(value: unknown, legacyCloseTabsOnDisconnect?: unknown): DisconnectTabHandlingMode {
   if (DISCONNECT_TAB_HANDLING_MODES.includes(value as DisconnectTabHandlingMode)) {
     return value as DisconnectTabHandlingMode;
@@ -632,6 +640,7 @@ export function normalizeEditorSettings(settings: Partial<EditorSettings>, exist
     exportRowLimitEnabled: typeof settings.exportRowLimitEnabled === "boolean" ? settings.exportRowLimitEnabled : DEFAULT_EDITOR_SETTINGS.exportRowLimitEnabled,
     exportRowLimit: typeof settings.exportRowLimit === "number" && settings.exportRowLimit >= 100 && settings.exportRowLimit <= 2147483647 ? Math.round(settings.exportRowLimit) : DEFAULT_EDITOR_SETTINGS.exportRowLimit,
     queryExportKeysetOptimizationEnabled: typeof settings.queryExportKeysetOptimizationEnabled === "boolean" ? settings.queryExportKeysetOptimizationEnabled : DEFAULT_EDITOR_SETTINGS.queryExportKeysetOptimizationEnabled,
+    updateDownloadSource: normalizeUpdateDownloadSource(settings.updateDownloadSource),
     toolbarItems: normalizeToolbarItems(settings.toolbarItems),
   };
 }
@@ -803,6 +812,7 @@ export const useSettingsStore = defineStore("settings", () => {
     if (partial.exportRowLimitEnabled !== undefined) editorSettings.value.exportRowLimitEnabled = partial.exportRowLimitEnabled;
     if (partial.exportRowLimit !== undefined) editorSettings.value.exportRowLimit = Math.min(2147483647, Math.max(100, Math.round(partial.exportRowLimit)));
     if (partial.queryExportKeysetOptimizationEnabled !== undefined) editorSettings.value.queryExportKeysetOptimizationEnabled = partial.queryExportKeysetOptimizationEnabled;
+    if (partial.updateDownloadSource !== undefined) editorSettings.value.updateDownloadSource = normalizeUpdateDownloadSource(partial.updateDownloadSource);
     if (partial.toolbarItems !== undefined) editorSettings.value.toolbarItems = normalizeToolbarItems(partial.toolbarItems);
     saveEditorSettings(editorSettings.value);
   }