05/31 Fix template

app/routes/teller.py

@@ -36,11 +36,23 @@ def callback():
     if not data:
         return jsonify({'error': 'No data'}), 400
 
+    # Teller Connect onSuccess payload:
+    # { accessToken, user: {id}, enrollment: {id, institution: {name}} }
+    # accessToken is top-level, enrollment.id is nested
+    access_token = data.get('accessToken', '')
     enrollment_data = data.get('enrollment', {})
     enrollment_id = enrollment_data.get('id', '')
-    access_token = enrollment_data.get('accessToken', '')
+
+    # Also handle if client wraps it: { enrollment: { accessToken, id, ... } }
+    if not access_token and isinstance(enrollment_data, dict):
+        access_token = enrollment_data.get('accessToken', '')
+    if not enrollment_id and isinstance(enrollment_data, dict):
+        enrollment_id = enrollment_data.get('id', '')
+
+    log.info(f'[teller] callback received: enrollment_id={enrollment_id!r} token_present={bool(access_token)}')
 
     if not enrollment_id or not access_token:
+        log.error(f'[teller] missing data. Keys received: {list(data.keys())}')
         return jsonify({'error': 'Missing enrollment data'}), 400
 
     # Upsert enrollment
@@ -76,8 +88,11 @@ def callback():
                 institution_name=institution_name,
             ))
 
-    enrollment.institution_name = institution_name
+    # institution.name from enrollment object (not from account loop)
-    enrollment.user_id = enrollment_data.get('user', {}).get('id', '')
+    if not institution_name:
+        institution_name = enrollment_data.get('institution', {}).get('name', '')
+    enrollment.institution_name = institution_name or enrollment.institution_name
+    enrollment.user_id = data.get('user', {}).get('id', '') or enrollment_data.get('user', {}).get('id', '')
     db.session.commit()
 
     return jsonify({'status': 'ok', 'redirect': url_for('teller.map_accounts', enrollment_id=enrollment_id)})

app/templates/teller/index.html

@@ -147,7 +147,8 @@ function initTellerConnect(btn) {
                         'Content-Type': 'application/json',
                         'X-CSRFToken': CSRF,
                     },
-                    body: JSON.stringify({ enrollment: enrollment }),
+                    // Send full Teller payload: { accessToken, user, enrollment }
+                    body: JSON.stringify(enrollment),
                 })
                 .then(r => r.json())
                 .then(data => {