feat(desktop): scope tabs to windows (#34669)

packages/app/src/context/platform.tsx

@@ -64,6 +64,9 @@ type PlatformBase = {
   /** Storage mechanism, defaults to localStorage */
   storage?: (name?: string) => SyncStorage | AsyncStorage
 
+  /** Stable platform window identity for window-scoped persistence */
+  windowID?: string
+
   /** Application-global desktop updater */
   updater?: UpdaterPlatform
 

packages/app/src/context/tabs.tsx

@@ -51,7 +51,7 @@ export const { use: useTabs, provider: TabsProvider } = createSimpleContext({
     const fallback = server.key
     const [store, setStore, _, ready] = persisted(
       {
-        ...Persist.global("tabs"),
+        ...Persist.window("tabs"),
         migrate: (value: unknown) => {
           if (!Array.isArray(value)) return value
           return value.map((tab) => {
@@ -62,7 +62,7 @@ export const { use: useTabs, provider: TabsProvider } = createSimpleContext({
       },
       createStore<Tab[]>([]),
     )
-    const [recent, setRecent, , recentReady] = persisted(Persist.global("tabs.recent"), createStore<RecentTab>({}))
+    const [recent, setRecent, , recentReady] = persisted(Persist.window("tabs.recent"), createStore<RecentTab>({}))
 
     const params = useParams()
     const navigate = useNavigate()