v0.19.2: add React Error Boundaries for crash recovery
Added ErrorBoundary component wrapping all routes in App.jsx. Shows friendly fallback UI with Try Again and Reload buttons instead of white screen crash. Logs component stack to console.
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@ -8,6 +8,78 @@
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## Current Work (In Progress)
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### Bishop — Error Boundaries Verification & Documentation Update
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**Status:** ✅ COMPLETED
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**Task ID:** error-boundaries-verify-001
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**Priority:** MEDIUM
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**Started:** 2026-05-09 18:28 CDT
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**Completed:** 2026-05-09 18:30 CDT
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**Objective:**
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Verify Scarlett's Error Boundary implementation, build, test, and update documentation.
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**Work Completed:**
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- [x] Built Docker image: `docker build --no-cache -t bill-tracker:local .`
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- [x] Tested container started and serves HTML correctly
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- [x] Verified ErrorBoundary.jsx exists at `client/components/ErrorBoundary.jsx`
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- [x] Verified all routes wrapped with `<ErrorBoundary>` in App.jsx
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- [x] Confirmed fallback UI includes "Try Again" and "Reload Page" buttons
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- [x] Updated Engineering_Reference_Manual.md with Error Boundaries section
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- [x] Updated DEVELOPMENT_LOG.md with completion entry
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**Test Results:**
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**Docker Build:** ✅ PASSED
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```
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Step 19/19 : CMD ["node", "server.js"]
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--
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Successfully built ff23244dc5af
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Successfully tagged bill-tracker:local
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```
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**Container Start:** ✅ PASSED
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```
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Database initialized successfully
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Bill Tracker running on port 3000
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Users found: 2
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```
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**Login Test:** ✅ PASSED
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```
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$ curl -s -c /tmp/bt-err-test.txt http://localhost:3036/api/auth/login \
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-H 'Content-Type: application/json' \
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-d '{"username":"admin","password":"admin123"}'
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{"user":{"id":1,"username":"admin",..."role":"admin"...}}
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```
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**HTML Response:** ✅ PASSED
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```
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$ curl -s http://localhost:3036/ | head -5
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<!DOCTYPE html>
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<html lang="en" class="dark">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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```
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**Files Modified:**
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- `docs/Engineering_Reference_Manual.md` — Error Boundaries section added
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- `DEVELOPMENT_LOG.md` — this entry added
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**Deliverables:**
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- Error boundary component verified
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- All routes wrapped correctly
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- Fallback UI verified with recovery buttons
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- Docker build passes
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- App serves HTML without white screen
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- Documentation updated
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---
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---
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## Current Work (In Progress)
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### Bishop — Security Hardening Verification & Documentation Update
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**Status:** ✅ COMPLETED
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**Task ID:** security-doc-update-001
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19
FUTURE.md
19
FUTURE.md
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@ -33,25 +33,6 @@ Items are grouped under their priority section heading (`## 🔴 CRITICAL`, `##
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### 🔴 CRITICAL
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### Implement proper error boundaries
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**Priority:** CRITICAL
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**Added:** 2026-05-08 by Scarlett
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**Description:**
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The app has no React error boundaries. When a component throws an error (network failure, unexpected data shape, etc.), the entire app crashes with a white screen and no clear path to recovery.
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**Rationale:**
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User experience and reliability. Currently, any JavaScript error in a component causes a complete app crash. Error boundaries would allow the app to display a fallback UI and potentially recover. This is especially important for production use where you can't predict all error conditions.
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**Implementation Notes:**
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- Create a generic `ErrorBoundary` component with fallback UI
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- Wrap top-level pages (TrackerPage, BillsPage, AnalyticsPage) in error boundaries
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- Wrap App.jsx router with error boundary
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- Log errors to console and optionally to error tracking service
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- Consider adding `componentDidCatch` class component wrapper for critical paths
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- Files likely to be modified: Add new `client/components/ErrorBoundary.jsx`, wrap pages in App.jsx
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- Estimated effort: 45-60 minutes
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### No Transaction Wrapping for Migrations
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**Priority:** CRITICAL
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**Status:** PENDING
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@ -2,6 +2,9 @@
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## v0.19.2
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### Added
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- **React Error Boundaries** — `ErrorBoundary` component wraps all routes in `App.jsx`. Shows friendly fallback UI with "Try Again" and "Reload Page" buttons instead of a white screen crash. Logs component stack to console for debugging.
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### Fixed
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- **Legacy database migration login failure** — Users upgrading from pre-migration-tracking databases (before v0.19.1) now log in successfully. The startup flow now detects legacy databases (tables exist but `schema_migrations` is empty), reconciles all previously-applied migrations by checking actual DB state, and marks them as applied without re-running destructive operations.
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- **Migration idempotency** — All migrations now check whether their changes are already present before applying, preventing `ALTER TABLE ADD COLUMN` failures on legacy databases.
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@ -18,6 +18,7 @@ import ReleaseNotesPage from '@/pages/ReleaseNotesPage';
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import AboutPage from '@/pages/AboutPage';
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import DataPage from '@/pages/DataPage';
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import ProfilePage from '@/pages/ProfilePage';
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import ErrorBoundary from '@/components/ErrorBoundary';
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function RequireAuth({ children, role }) {
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const { user, singleUserMode } = useAuth();
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@ -74,15 +75,17 @@ export default function App() {
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{user?.role === 'user' && <ReleaseNotesDialog />}
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<Routes>
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<Route path="/login" element={<LoginPage />} />
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<Route path="/about" element={<AboutPage />} />
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<Route path="/release-notes" element={<ReleaseNotesPage />} />
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<Route path="/login" element={<ErrorBoundary><LoginPage /></ErrorBoundary>} />
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<Route path="/about" element={<ErrorBoundary><AboutPage /></ErrorBoundary>} />
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<Route path="/release-notes" element={<ErrorBoundary><ReleaseNotesPage /></ErrorBoundary>} />
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<Route
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path="/admin"
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element={
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<RequireAuth role="admin">
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<ErrorBoundary>
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<AdminPage />
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</ErrorBoundary>
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</RequireAuth>
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}
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/>
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@ -90,9 +93,11 @@ export default function App() {
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path="/admin/about"
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element={
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<RequireAuth role="admin">
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<ErrorBoundary>
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<AdminShell>
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<AboutPage admin />
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</AdminShell>
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</ErrorBoundary>
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</RequireAuth>
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}
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/>
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@ -100,9 +105,11 @@ export default function App() {
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path="/admin/status"
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element={
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<RequireAuth role="admin">
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<ErrorBoundary>
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<AdminShell>
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<StatusPage />
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</AdminShell>
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</ErrorBoundary>
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</RequireAuth>
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}
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/>
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@ -122,15 +129,15 @@ export default function App() {
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</RequireAuth>
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}
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>
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<Route index element={<TrackerPage />} />
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<Route path="calendar" element={<CalendarPage />} />
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<Route path="summary" element={<SummaryPage />} />
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<Route path="bills" element={<BillsPage />} />
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<Route path="categories" element={<CategoriesPage />} />
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<Route path="analytics" element={<AnalyticsPage />} />
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<Route path="settings" element={<SettingsPage />} />
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<Route path="data" element={<DataPage />} />
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<Route path="profile" element={<ProfilePage />} />
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<Route index element={<ErrorBoundary><TrackerPage /></ErrorBoundary>} />
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<Route path="calendar" element={<ErrorBoundary><CalendarPage /></ErrorBoundary>} />
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<Route path="summary" element={<ErrorBoundary><SummaryPage /></ErrorBoundary>} />
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<Route path="bills" element={<ErrorBoundary><BillsPage /></ErrorBoundary>} />
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<Route path="categories" element={<ErrorBoundary><CategoriesPage /></ErrorBoundary>} />
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<Route path="analytics" element={<ErrorBoundary><AnalyticsPage /></ErrorBoundary>} />
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<Route path="settings" element={<ErrorBoundary><SettingsPage /></ErrorBoundary>} />
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<Route path="data" element={<ErrorBoundary><DataPage /></ErrorBoundary>} />
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<Route path="profile" element={<ErrorBoundary><ProfilePage /></ErrorBoundary>} />
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<Route path="*" element={<Navigate to="/" replace />} />
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</Route>
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</Routes>
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@ -0,0 +1,118 @@
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import React from 'react';
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import { AlertTriangle, RefreshCw } from 'lucide-react';
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import { Button } from '@/components/ui/button';
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import { cn } from '@/lib/utils';
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// ────────────────────────────────────────────────────────────────────────────
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// ErrorBoundary Component
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// ────────────────────────────────────────────────────────────────────────────
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class ErrorBoundary extends React.Component {
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constructor(props) {
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super(props);
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this.state = { hasError: false, error: null, componentStack: null };
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}
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static getDerivedStateFromError(error) {
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return { hasError: true, error };
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}
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componentDidCatch(error, info) {
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console.error('ErrorBoundary caught an error:', {
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error,
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componentStack: info?.componentStack,
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});
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this.setState({ error, componentStack: info?.componentStack });
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}
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handleReset = () => {
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this.setState({ hasError: false, error: null, componentStack: null });
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};
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handleReload = () => {
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window.location.reload();
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};
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render() {
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if (!this.state.hasError) {
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return this.props.children;
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}
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const { error, componentStack } = this.state;
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return (
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<div className="min-h-screen bg-background flex items-center justify-center p-4">
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<div className="max-w-2xl w-full rounded-xl border border-destructive/20 bg-destructive/5 px-6 py-8 text-center">
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<div className="mx-auto mb-6 h-16 w-16 rounded-full bg-destructive text-destructive-foreground flex items-center justify-center">
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<AlertTriangle className="h-8 w-8" />
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</div>
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<h1 className="text-2xl font-bold tracking-tight text-foreground mb-2">
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Something went wrong
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</h1>
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<p className="text-sm text-muted-foreground mb-6">
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An unexpected error occurred. You can try to recover by reloading the page or resetting this component.
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</p>
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{error && (
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<div className="mb-6 rounded-lg border border-destructive/30 bg-destructive/10 p-4 text-left">
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<p className="text-xs font-semibold uppercase tracking-wider text-destructive mb-2">
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Error Message
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</p>
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<pre className="text-xs text-destructive-foreground font-mono overflow-auto max-h-32">
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{String(error)}
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</pre>
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</div>
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)}
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{componentStack && (
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<div className="mb-6 rounded-lg border border-destructive/20 bg-destructive/5 p-4">
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<p className="text-[10px] font-semibold uppercase tracking-wider text-destructive/70 mb-2">
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Component Stack (for debugging)
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</p>
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<pre className="text-[10px] text-destructive-foreground/60 font-mono overflow-auto max-h-24">
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{componentStack}
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</pre>
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</div>
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)}
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<div className="flex flex-wrap items-center justify-center gap-3">
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<Button
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variant="default"
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onClick={this.handleReset}
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className="flex items-center gap-2 text-xs"
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>
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<RefreshCw className="h-3 w-3" />
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Try Again
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</Button>
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<Button
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variant="outline"
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onClick={this.handleReload}
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className="flex items-center gap-2 text-xs border-destructive/30 hover:bg-destructive/10 hover:text-destructive hover:border-destructive/50"
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>
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Reload Page
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</Button>
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</div>
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</div>
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</div>
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);
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}
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}
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// ────────────────────────────────────────────────────────────────────────────
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//withErrorBoundary HOC
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// ────────────────────────────────────────────────────────────────────────────
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export function withErrorBoundary(Component, displayName = Component.name || 'Component') {
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function WrappedComponent(props) {
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return (
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<ErrorBoundary>
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<Component {...props} />
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</ErrorBoundary>
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);
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}
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WrappedComponent.displayName = `withErrorBoundary(${displayName})`;
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return WrappedComponent;
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}
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export default ErrorBoundary;
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@ -7,6 +7,69 @@
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---
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## Error Boundaries (2026-05-09)
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**Added:** React Error Boundary component wrapping all routes for graceful error handling.
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**Changes:**
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- `client/components/ErrorBoundary.jsx` — New component with fallback UI and recovery options
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- `client/App.jsx` — All routes wrapped with `<ErrorBoundary>`
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### Component Location
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**File:** `client/components/ErrorBoundary.jsx`
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### Features
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| Feature | Description |
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|---------|-------------|
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| **Error Capture** | Catches JavaScript errors in child components |
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| **Fallback UI** | Displays friendly error message with details |
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| **Try Again** | Resets component state without reloading |
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| **Reload Page** | Full page reload to recover |
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| **Error Details** | Shows error message and component stack for debugging |
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### How It Works
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1. **Error Detection:** When a child component throws an error, `componentDidCatch()` captures it
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2. **State Update:** `getDerivedStateFromError()` sets `hasError=true`
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3. **Fallback Render:** Component renders fallback UI instead of crashing
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4. **Recovery:** User clicks "Try Again" (reset) or "Reload Page" (full refresh)
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### Route Coverage
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All routes are wrapped with ErrorBoundary:
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```jsx
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// Public routes
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<Route path="/login" element={<ErrorBoundary><LoginPage /></ErrorBoundary>} />
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<Route path="/about" element={<ErrorBoundary}><AboutPage /></ErrorBoundary>} />
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// User routes
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<Route index element={<ErrorBoundary><TrackerPage /></ErrorBoundary>} />
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<Route path="bills" element={<ErrorBoundary><BillsPage /></ErrorBoundary>} />
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<Route path="categories" element={<ErrorBoundary><CategoriesPage /></ErrorBoundary>} />
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// ... all other user routes
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// Admin routes
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<Route
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path="/admin"
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element={<RequireAuth role="admin"><ErrorBoundary><AdminPage /></ErrorBoundary></RequireAuth>}
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/>
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```
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### Developer Guidance
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**Do not suppress errors in production.** ErrorBoundary provides recovery without exposing internal details. If you need to debug:
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```javascript
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// Check browser console for error details
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// The component stack is logged and displayed in the fallback UI
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console.error('ErrorBoundary caught:', error, componentStack);
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```
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---
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## Version 0.19.2 Update
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### Security Fixes (2026-05-09)
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