Sheet selection and mapping

src/lib/google.ts

@@ -100,6 +100,22 @@ export async function searchSheets(query: string) {
   return response.result.files || [];
 }
 
+export async function getSheetNames(spreadsheetId: string) {
+  if (!gapi.client.sheets) {
+    throw new Error('Google Sheets API not loaded');
+  }
+  const response = await gapi.client.sheets.spreadsheets.get({
+    spreadsheetId,
+    fields: 'sheets.properties'
+  });
+  
+  if (!response.result.sheets) {
+    return [];
+  }
+
+  return response.result.sheets.map(sheet => sheet.properties?.title || '');
+}
+
 export async function getSheetData(spreadsheetId: string, range: string) {
     if (!gapi.client.sheets) {
         throw new Error('Google Sheets API not loaded');