fix(app): improve tab handling (#30669)

packages/app/src/pages/directory-layout.tsx

@@ -26,7 +26,7 @@ function DirectoryDataProvider(props: ParentProps<{ directory: string }>) {
 
   createResource(
     () => params.id,
-    (id) => sync.session.sync(id),
+    (id) => sync.session.sync(id).catch(() => {}),
   )
 
   return (

packages/app/src/pages/layout/helpers.ts

@@ -67,7 +67,7 @@ export function getProjectAvatarSource(id?: string, icon?: { color?: string; url
 export function projectForSession<T extends { id?: string; worktree: string; sandboxes?: string[] }>(
   session: Session,
   projects: T[],
-  byID: Map<string, T>,
+  byID: Map<string, T> = new Map(projects.flatMap((project) => (project.id ? [[project.id, project] as const] : []))),
 ) {
   const direct = byID.get(session.projectID)
   if (direct) return direct

packages/app/src/pages/session/use-session-commands.tsx

@@ -418,23 +418,26 @@ export const useSessionCommands = (actions: SessionCommandContext) => {
     }),
   ]
 
-  const fileCmds = () => [
-    fileCommand({
-      id: "file.open",
-      title: language.t("command.file.open"),
-      description: language.t("palette.search.placeholder"),
-      keybind: "mod+k,mod+p",
-      slash: "open",
-      onSelect: openFile,
-    }),
-    fileCommand({
-      id: "tab.close",
-      title: language.t("command.tab.close"),
-      keybind: "mod+w",
-      disabled: !closableTab(),
-      onSelect: closeTab,
-    }),
-  ]
+  const fileCmds = () => {
+    const tab = closableTab()
+    return [
+      fileCommand({
+        id: "file.open",
+        title: language.t("command.file.open"),
+        description: language.t("palette.search.placeholder"),
+        keybind: "mod+k,mod+p",
+        slash: "open",
+        onSelect: openFile,
+      }),
+      tab &&
+        fileCommand({
+          id: "tab.close",
+          title: language.t("command.tab.close"),
+          keybind: "mod+w",
+          onSelect: closeTab,
+        }),
+    ].filter((v) => !!v)
+  }
 
   const contextCmds = () => [
     contextCommand({