feat(updater): download and prepare desktop updates in background

apps/desktop/src/lib/__tests__/app/openTabsPersistence.spec.ts

@@ -21,6 +21,12 @@ function roundTrip(tabs: QueryTab[]) {
 }
 
 describe("openTabsPersistence originalSql round-trip", () => {
+  it("keeps clean saved SQL tabs eligible for file hydration", () => {
+    const [restored] = roundTrip([queryTab({ savedSqlId: "saved", sql: "SELECT 1", originalSql: "SELECT 1" })]);
+    expect(restored.sql).toBe("");
+    expect(restored.originalSql).toBeUndefined();
+  });
+
   it("preserves read-only source intent without adding editable source metadata", () => {
     const [restored] = roundTrip([queryTab({ sourceView: true, sql: "CREATE SEQUENCE seq_users" })]);
     expect(restored.sourceView).toBe(true);