table import works now

lib/api.ts

@@ -35,11 +35,23 @@ export const chemicalsApi = {
   remove: (id: string): Promise<void> =>
     apiFetch(`/api/chemicals/${id}`, { method: 'DELETE' }).then(() => undefined),
 
+  bulkRemove: (ids: string[]): Promise<void> =>
+    apiFetch('/api/chemicals/bulk-delete', { 
+      method: 'POST', 
+      body: JSON.stringify({ ids }) 
+    }).then(() => undefined),
+
   import: (rows: Partial<ChemicalInventory>[]): Promise<{ imported: number; errors: string[] }> =>
     apiFetch('/api/chemicals/import', {
       method: 'POST',
       body: JSON.stringify({ rows }),
     }).then(r => r.json()),
+
+  columnMatch: (headers: string[], sampleRows: string[][]): Promise<{ mappings: { header: string; key: string; confidence: number; reason: string }[] }> =>
+    apiFetch('/api/chemicals/column-match', {
+      method: 'POST',
+      body: JSON.stringify({ headers, sampleRows }),
+    }).then(r => r.json()),
 };
 
 export const protocolsApi = {