feat(workspace): decouple folder sharing with independent mount points & real-time sync

internal/storage/sqlite.go

@@ -3426,6 +3426,24 @@ func (s *Store) DeleteSharedFolder(currentUserID, folderID string) error {
 	return err
 }
 
+// GetSharedFolderDocIDs returns all non-archived document IDs belonging to a shared folder.
+func (s *Store) GetSharedFolderDocIDs(folderID string) ([]string, error) {
+	rows, err := s.db.Query(`SELECT id FROM documents WHERE shared_folder_id = ? AND is_archived = 0`, folderID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var docIDs []string
+	for rows.Next() {
+		var id string
+		if err := rows.Scan(&id); err == nil && id != "" {
+			docIDs = append(docIDs, id)
+		}
+	}
+	return docIDs, nil
+}
+
 func (s *Store) GetDocShares(docID string) ([]domain.DocShare, error) {
 	shares := make([]domain.DocShare, 0)