feat: Add TEST/PROD environment toggle and improve UNK validation

inspect-tables.ts

@@ -0,0 +1,53 @@
+
+import { config } from 'dotenv';
+import { Client } from '@microsoft/microsoft-graph-client';
+
+config({ path: '/home/admin/secrets/.env' });
+
+async function getGraphToken() {
+  const tokenEndpoint = `https://login.microsoftonline.com/${process.env.TENANT_ID}/oauth2/v2.0/token`;
+  const params = new URLSearchParams();
+  params.append('client_id', process.env.CLIENT_ID!);
+  params.append('client_secret', process.env.CLIENT_SECRET!);
+  params.append('scope', 'https://graph.microsoft.com/.default');
+  params.append('grant_type', 'client_credentials');
+
+  const response = await fetch(tokenEndpoint, {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
+    body: params,
+  });
+
+  const data = await response.json();
+  return data.access_token;
+}
+
+async function inspectTables() {
+  const token = await getGraphToken();
+  const client = Client.init({
+    authProvider: (done) => {
+      done(null, token);
+    },
+  });
+
+  const driveId = process.env.DRIVE_ID;
+  const itemId = process.env.ITEM_ID;
+  const baseUrl = `/drives/${driveId}/items/${itemId}/workbook/tables`;
+
+  console.log(`Inspecting tables in file: ${itemId}`);
+  
+  try {
+    const res = await client.api(baseUrl).get();
+    const tables = res.value;
+    
+    for (const table of tables) {
+      console.log(`\nTable: ${table.name}`);
+      const cols = await client.api(`${baseUrl}/${table.name}/columns`).get();
+      console.log(`- Column count: ${cols.value.length}`);
+    }
+  } catch (err) {
+    console.error('Error:', err.message);
+  }
+}
+
+inspectTables();