Add settings page for managing forecasting API key and URL via UI

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/node_modules/object.assign/test/ses-compat.js

@@ -0,0 +1,12 @@
+'use strict';
+
+/* globals lockdown */
+
+// requiring ses exposes "lockdown" on the global
+require('ses');
+
+// lockdown freezes the primordials
+lockdown({ errorTaming: 'unsafe' });
+
+// initialize the module
+require('./');