Fix: Add fallback token retrieval endpoint and improved token extraction debugging

Mode3Test/backend/server.ts

@@ -82,6 +82,48 @@ app.get('/version', (c) => {
   }
 });
 
+// Get Graph token from PocketBase auth data
+app.get('/api/graph-token', async (c) => {
+  try {
+    const authHeader = c.req.header('Authorization');
+    if (!authHeader || !authHeader.startsWith('Bearer ')) {
+      return c.json({ error: 'Unauthorized' }, 401);
+    }
+    
+    const pbToken = authHeader.substring(7);
+    
+    // Fetch the authenticated user's data from PocketBase
+    const response = await fetch('https://pocketbase.ccllc.pro/api/collections/users/auth-refresh', {
+      method: 'POST',
+      headers: { 'Authorization': `Bearer ${pbToken}` }
+    });
+    
+    if (!response.ok) {
+      return c.json({ error: 'Failed to refresh auth' }, response.status);
+    }
+    
+    const data = await response.json();
+    const meta = data?.meta || {};
+    
+    // Extract Graph token from all possible locations
+    const graphToken = 
+      meta?.graphAccessToken ||
+      meta?.graph_token ||
+      meta?.graphToken ||
+      meta?.accessToken ||
+      meta?.access_token ||
+      meta?.token ||
+      meta?.rawToken ||
+      meta?.authData?.access_token ||
+      '';
+    
+    return c.json({ token: graphToken });
+  } catch (err) {
+    logLine('logs/error.log', `graph-token endpoint error: ${(err as Error)?.message || String(err)}`);
+    return c.json({ error: 'Failed to get token', token: '' }, 500);
+  }
+});
+
 // Jobs endpoint with Redis caching
 app.get('/api/jobs', async (c) => {
   const page = parseInt(c.req.query('page') || '1');