batch upload impl

internal/database/queries/batch.sql

@@ -2,6 +2,18 @@
 INSERT INTO batch_uploads (client_id, original_filename, total_documents)
 VALUES ($1, $2, $3) RETURNING id;
 
+-- name: CreateBatchUploadWithStorage :one
+INSERT INTO batch_uploads (
+    client_id, 
+    original_filename, 
+    total_documents, 
+    status,
+    archive_bucket, 
+    archive_key,
+    file_size_bytes
+) VALUES ($1, $2, $3, $4::batch_status, $5, $6, $7) 
+RETURNING id, created_at;
+
 -- name: GetBatchUpload :one
 SELECT id, client_id, original_filename, total_documents, processed_documents, 
        failed_documents, invalid_type_documents, status, progress_percent,
@@ -9,6 +21,14 @@ SELECT id, client_id, original_filename, total_documents, processed_documents,
 FROM batch_uploads 
 WHERE id = $1 AND client_id = $2;
 
+-- name: GetBatchUploadWithStorage :one
+SELECT id, client_id, original_filename, total_documents, 
+       processed_documents, failed_documents, invalid_type_documents,
+       status, archive_bucket, archive_key, file_size_bytes,
+       failed_filenames, created_at, completed_at
+FROM batch_uploads 
+WHERE id = $1 AND client_id = $2;
+
 -- name: ListBatchUploads :many
 SELECT id, client_id, original_filename, total_documents, processed_documents, 
        failed_documents, invalid_type_documents, status, progress_percent,