feat: add iOS simulator worktree preview

Adds the worktree service, setup cache seeding, and Metro preview mount for /.sim. Also includes the related startup and mobile sidebar fixes needed by the updated worktree app flow.

packages/app/src/components/left-sidebar.tsx

@@ -40,11 +40,7 @@ import { Shortcut } from "@/components/ui/shortcut";
 import { Tooltip, TooltipContent, TooltipTrigger } from "@/components/ui/tooltip";
 import { useIsCompactFormFactor } from "@/constants/layout";
 import { isWeb } from "@/constants/platform";
-import {
-  MOBILE_VISUAL_PANEL_AGENT,
-  MOBILE_VISUAL_PANEL_AGENT_LIST,
-  useSidebarAnimation,
-} from "@/contexts/sidebar-animation-context";
+import { useSidebarAnimation } from "@/contexts/sidebar-animation-context";
 import { useOpenProjectPicker } from "@/hooks/use-open-project-picker";
 import { useShortcutKeys } from "@/hooks/use-shortcut-keys";
 import { useSidebarShortcutModel } from "@/hooks/use-sidebar-shortcut-model";
@@ -64,6 +60,7 @@ import {
 import { resolveActiveHost } from "@/utils/active-host";
 import { formatConnectionStatus } from "@/utils/daemons";
 import { useWindowControlsPadding } from "@/utils/desktop-window";
+import { canCloseLeftSidebarGesture } from "@/utils/sidebar-animation-state";
 import {
   buildHostOpenProjectRoute,
   buildHostNewWorkspaceRoute,
@@ -581,7 +578,7 @@ function MobileSidebar({
     animateToOpen,
     animateToClose,
     isGesturing,
-    mobileVisualPanel,
+    mobilePanelState,
     gestureAnimatingRef,
     closeGestureRef,
   } = useSidebarAnimation();
@@ -645,7 +642,7 @@ function MobileSidebar({
           const absDeltaX = Math.abs(deltaX);
           const absDeltaY = Math.abs(deltaY);
 
-          if (mobileVisualPanel.value !== MOBILE_VISUAL_PANEL_AGENT_LIST) {
+          if (!canCloseLeftSidebarGesture(mobilePanelState.value)) {
             stateManager.fail();
             return;
           }
@@ -679,11 +676,9 @@ function MobileSidebar({
           isGesturing.value = false;
           const shouldClose = event.translationX < -windowWidth / 3 || event.velocityX < -500;
           if (shouldClose) {
-            mobileVisualPanel.value = MOBILE_VISUAL_PANEL_AGENT;
             animateToClose();
             runOnJS(handleCloseFromGesture)();
           } else {
-            mobileVisualPanel.value = MOBILE_VISUAL_PANEL_AGENT_LIST;
             animateToOpen();
           }
         })
@@ -695,7 +690,7 @@ function MobileSidebar({
       closeTouchStartX,
       closeTouchStartY,
       isGesturing,
-      mobileVisualPanel,
+      mobilePanelState,
       windowWidth,
       translateX,
       backdropOpacity,