fix(syncguard): preserve bypass during duplicate resume

src/serviceFeatures/syncGuard/index.ts

@@ -66,6 +66,11 @@ export function useSyncGuardFeature(host: LiveSyncCore, createOverlay: SyncGuard
             guard.disable();
             return;
         }
+        // A duplicate resume in the same active catch-up must honour a user's
+        // explicit decision to continue editing rather than silently re-lock.
+        if (guard.wasBypassed && services.replicator.couchDbCatchUpActivityCount.value > 0) {
+            return;
+        }
         // Duplicate resume notifications or a visibility transition must not discard an
         // already active guard and expose a partly reflected Vault to the user.
         if (guard.presentation.phase === "transferring" || guard.presentation.phase === "applying" ||

src/serviceFeatures/syncGuard/syncGuardFeature.unit.spec.ts

@@ -266,4 +266,17 @@ describe("useSyncGuardFeature", () => {
         expect(h.updates[h.updates.length - 1]?.phase).toBe("idle");
         await h.onUnload[0]();
     });
+
+    it("preserves manual bypass across duplicate resume while the same CouchDB pull remains active", async () => {
+        const h = setup({ minimumFiles: 2 });
+        await h.onResumed[0]();
+        h.couchDbCatchUpActivityCount.value = 1;
+        await h.parseHandlers[0]([receivedNote("first"), receivedNote("second")]);
+        expect(h.updates[h.updates.length - 1]?.phase).toBe("transferring");
+        h.bypass();
+        await h.onResumed[0]();
+        await h.parseHandlers[0]([receivedNote("third"), receivedNote("fourth")]);
+        expect(h.updates[h.updates.length - 1]?.phase).toBe("idle");
+        await h.onUnload[0]();
+    });
 });