fix: merge main, address code review feedback for security fix PR #816

- Merge origin/main into branch (resolve conflict in integrations_dashboard.html)
- Add defensive JSON parsing with try/except for integration.config
- Wrap tester() call in try/except to prevent 500 errors from bad config
- Add i18n key integrations.connection_test_failed_fallback in en.json
- Reference i18n key in template JS fallback message
- Update SECURITY_AUDIT.md: add fix date (2026-03-23), update doc date
- Remove accidental revert.sh file
- Fix missing MagicMock/patch imports in test file
- Add tests for invalid JSON config and tester exception error paths

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>
Agent-Logs-Url: https://github.com/christianlouis/DocuElevate/sessions/daebb70e-059a-4601-8864-88eef49f99cf

mobile/app/index.tsx

@@ -0,0 +1,17 @@
+/**
+ * Root index route – redirects to the auth flow on launch.
+ *
+ * expo-router renders this when the "/" route is matched (i.e. on cold start).
+ * Without this file, a stale default scaffold page ("Hello World") can appear
+ * if one was left behind by a previous build or Expo CLI scaffolding.
+ *
+ * The redirect targets the (auth) group; the AuthGuard in _layout.tsx will
+ * immediately forward authenticated users to (tabs).
+ */
+
+import { Redirect } from "expo-router";
+import React from "react";
+
+export default function RootIndex() {
+  return <Redirect href="/(auth)/" />;
+}