fix: check import quota before importing bookmarks (#2232)

* feat: check import quota before importing bookmarks

Add quota validation before bookmark import to prevent users from
exceeding their bookmark limits. The implementation includes:

- New QuotaService.canImportBookmarks() method to check if user can import N bookmarks
- New tRPC checkImportQuota procedure for client-side quota validation
- Updated useBookmarkImport hook to parse files and check quota before import
- Added error banner in ImportExport component to display quota errors
- Optimized file parsing to avoid reading the file twice

The quota check displays remaining bookmarks and provides clear error
messages when the import would exceed the user's quota.

* fix

* some fixes

---------

Co-authored-by: Claude <noreply@anthropic.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/packages/shared/import-export/index.ts b/packages/shared/import-export/index.ts
index 2d720d0b..dd266e06 100644
--- a/packages/shared/import-export/index.ts
+++ b/packages/shared/import-export/index.ts
@@ -1,3 +1,4 @@
 export * from "./exporters";
 export * from "./importer";
 export type { ImportSource, ParsedBookmark } from "./parsers";
+export { parseImportFile } from "./parsers";