feat(staged): add resilient SWR cache, PWA support, and instant iOS web resume

Add a stale-while-revalidate cache layer with cache invalidation and
page-lifecycle listeners, register a service worker for PWA support, and
make iOS web resume near-instant instead of a staged reveal.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Signed-off-by: Matt Toohey <contact@matttoohey.com>

Author: matt2e

apps/staged/index.html

@@ -6,6 +6,8 @@
     <link rel="apple-touch-icon" href="/icons/apple-touch-icon.png" />
     <link rel="manifest" href="/manifest.webmanifest" />
     <meta name="theme-color" content="#060606" />
+    <meta name="apple-mobile-web-app-capable" content="yes" />
+    <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
     <meta
       name="viewport"
       content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"

apps/staged/package.json

@@ -28,6 +28,7 @@
     "@types/node": "^24.10.1",
     "bits-ui": "^2.18.1",
     "clsx": "^2.1.1",
+    "fake-indexeddb": "^6.2.5",
     "prettier": "^3.7.4",
     "prettier-plugin-svelte": "^3.4.1",
     "shadcn-svelte": "^1.2.7",
@@ -52,6 +53,7 @@
     "@tauri-apps/plugin-store": "^2.4.2",
     "@tauri-apps/plugin-updater": "^2.10.0",
     "ansi-to-html": "^0.7.2",
+    "idb-keyval": "^6.2.2",
     "marked": "^17.0.1",
     "sanitize-html": "^2.17.0",
     "shiki": "^3.20.0"

apps/staged/src/App.svelte

@@ -43,6 +43,8 @@
   import { projectStateStore } from './lib/stores/projectState.svelte';
   import { initBloxEnv } from './lib/stores/bloxEnv.svelte';
   import { listenForSessionStatus } from './lib/listeners/sessionStatusListener';
+  import { listenForCacheInvalidation } from './lib/listeners/cacheInvalidationListener';
+  import { listenForPageLifecycle } from './lib/listeners/pageLifecycleListener';
   import { darkMode } from './lib/stores/isDark.svelte';
   import * as prPollingService from './lib/services/prPollingService';
   import { projectsList } from './lib/features/projects/projectsSidebarState.svelte';
@@ -61,6 +63,8 @@
   let unlistenZoomOut: UnlistenFn | undefined;
   let unlistenZoomReset: UnlistenFn | undefined;
   let unlistenSessionStatus: UnlistenFn | undefined;
+  let unlistenCacheInvalidation: UnlistenFn | undefined;
+  let unlistenPageLifecycle: (() => void) | undefined;
   let unregisterShortcuts: (() => void) | null = null;
   let stopUpdaterLoop: (() => void) | null = null;
   let storeIncompat = $state<StoreIncompatibility | null>(null);
@@ -86,7 +90,7 @@
       const projectId = navigation.selectedProjectId;
       if (!projectId) return;
       try {
-        const branches = await commands.listBranchesForProject(projectId);
+        const { data: branches } = await commands.listBranchesForProject(projectId);
         await Promise.allSettled(branches.map((b) => commands.refreshBranchGitState(b.id)));
       } catch {
         // best-effort refresh; ignore failures
@@ -228,6 +232,14 @@
     darkMode.init();
     document.addEventListener('keydown', handleKonamiKey);
 
+    // Web resume accelerator: the restored project id is available synchronously
+    // (navigation seeds it from localStorage at module load). Warm that project's
+    // branch timelines in parallel right away so cards find data ready, rather
+    // than each doing its own serialized IndexedDB read after ProjectHome mounts.
+    if (navigation.selectedProjectId) {
+      void commands.warmProjectTimelines(navigation.selectedProjectId);
+    }
+
     // Listen for the app menu Preferences item.
     unlistenSettings = listenToEvent('menu:settings', () => {
       if (!triggerShortcut('app-open-settings')) openSettings();
@@ -254,6 +266,8 @@
     // Global session-status listener — must live at App level so it works
     // regardless of which view the user is on. See sessionStatusListener.ts.
     unlistenSessionStatus = listenForSessionStatus();
+    unlistenCacheInvalidation = listenForCacheInvalidation();
+    unlistenPageLifecycle = listenForPageLifecycle();
 
     try {
       await initPreferences();
@@ -422,6 +436,8 @@
     unlistenZoomOut?.();
     unlistenZoomReset?.();
     unlistenSessionStatus?.();
+    unlistenCacheInvalidation?.();
+    unlistenPageLifecycle?.();
     stopUpdaterLoop?.();
   });