fix: go to the contacts or calendar import from a file's preview instead of staying in Files

components/files/files-app.tsx

@@ -40,7 +40,7 @@ import { formatRecipient } from "@/lib/email-composer-utils";
 import { useRouter } from "@/i18n/navigation";
 import { useEditAttachment } from "@/hooks/use-edit-attachment";
 import { fileAppAction, type FileAppAction } from "@/lib/files-app-actions";
-import { handOffFiles } from "@/lib/launch-handoff";
+import { handOffFilesAfterClose } from "@/lib/file-handoff-after-close";
 import { ImportEmlDialog } from "@/components/files/import-eml-dialog";
 import { useCalendarStore } from "@/stores/calendar-store";
 import { resolveConflictsInTurn, type ConflictAnswer, type UploadConflictResolver } from "@/lib/files-upload-conflicts";
@@ -740,7 +740,7 @@ export function FilesApp({ linkSegments: routeSegments }: FilesAppProps = {}) {
     }
     setPreviewFile(null);
     setInfoFile(null);
-    handOffFiles([file], action === "add-calendar" ? "calendar" : "contacts");
+    void handOffFilesAfterClose([file], action === "add-calendar" ? "calendar" : "contacts");
   }, [appActionOf, getFileContent, t]);
   const appActionFor = useCallback((r: FileResource) => {
     const action = appActionOf(r);

lib/file-handoff-after-close.ts

@@ -0,0 +1,15 @@
+import { historySettled } from '@/hooks/use-close-on-back';
+import { handOffFiles, type HandoffKind } from '@/lib/launch-handoff';
+
+/**
+ * Hands files to another app (contacts or calendar import) from a layer that is
+ * closing, such as the Files preview. Closing it takes its history entry back
+ * with a Back that lands later; the handoff's move to /contacts or /calendar,
+ * started before that, was undone by it and left the user in Files (pim-p2-7).
+ * So: let the close commit, wait for that Back, then hand off.
+ */
+export async function handOffFilesAfterClose(files: File[], kind: HandoffKind): Promise<void> {
+  await new Promise<void>((resolve) => setTimeout(resolve, 0));
+  await historySettled();
+  handOffFiles(files, kind);
+}