test: fix raw upload assertions

app/src/lib/api.ts

@@ -135,6 +135,20 @@ export const attachmentList = (owner_id: number) => call<{ items: Attachment[] }
 export const attachmentDelete = (id: number) => call<{ ok: true }>('attachment_delete', { id });
 export const attachmentRead = (id: number) =>
   call<{ data_b64: string; mime?: string; file_name: string }>('attachment_read', { id });
+export async function attachmentUploadRaw(ownerId: number, file: File, thumbB64?: string): Promise<Attachment> {
+  const q = new URLSearchParams({ owner: String(ownerId), name: file.name, mime: file.type || 'application/octet-stream' });
+  const r = await fetch(getServerUrl() + '/sync/attachment/raw?' + q, {
+    method: 'PUT',
+    headers: { authorization: 'Bearer ' + getToken(), 'content-type': file.type || 'application/octet-stream' },
+    body: file,
+  });
+  const j = await r.json().catch(() => ({ ok: false, error: 'HTTP ' + r.status }));
+  if (!j.ok) throw new Error(j.error || '上传失败');
+  const item = j.data.item as Attachment;
+  if (thumbB64) { try { await call('attachment_set_thumb', { id: item.id, thumb_b64: thumbB64 }); } catch {} }
+  return item;
+}
+
 export const attachmentThumb = (id: number) =>
   call<{ data_b64: string; mime?: string; file_name: string }>('attachment_thumb', { id });