Add public monitoring features and CI updates

- Add status pages, incidents, badges, maintenance, bulk ops, and metrics
- Add Docker packaging, env example, and frontend routes
- Refresh GitHub workflows and project metadata

FEATURE_ANALYSIS.md

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+# Feature Analysis & Comparison
+
+## Chart Library Export
+Created `/chart-library.tsx` - A standalone chart library that can be exported to other projects.
+
+### Components Included:
+- **Base Charts**: AreaChart, LineChart, BarChart, PieChart
+- **Pre-built Monitoring Charts**:
+  - `CpuUsageChart` - CPU utilization with % formatting
+  - `MemoryUsageChart` - Memory with byte formatting and stacking
+  - `DiskUsageChart` - Disk I/O with read/write lines
+  - `NetworkTrafficChart` - Network sent/received
+  - `ResponseTimeChart` - Monitor response times
+  - `UptimeChart` - Uptime percentage with SLA reference line
+  - `DomainExpiryChart` - Domain and SSL expiry timeline
+- **UI Components**:
+  - `ChartCard` - Container with title, description, and corner elements
+  - `StatCard` - Statistics card with trend indicators (up/down/neutral)
+  - `StatusCard` - Status indicator cards
+- **Utilities**: formatBytes, formatPercentage, formatDuration, formatShortDate
+
+---
+
+## Feature Comparison Matrix
+
+### Domain Locker vs Our System vs Uptime Kuma
+
+| Feature | Domain Locker | Our System | Uptime Kuma | Priority |
+|---------|--------------|------------|-------------|----------|
+| **Domain Management** | | | | |
+| Domain expiry tracking | ✅ | ✅ | ❌ | - |
+| Auto-fetch WHOIS data | ✅ | ✅ | ❌ | - |
+| SSL certificate monitoring | ✅ | ✅ | Partial | - |
+| Subdomain tracking | ✅ | ❌ | ❌ | Medium |
+| DNS record tracking | ✅ | ✅ | ❌ | - |
+| Domain valuation/cost tracking | ✅ | Partial | ❌ | Low |
+| Domain tags/categories | ✅ | ✅ | ✅ | - |
+| Bulk domain import | ✅ | ❌ | ❌ | Medium |
+| **System Monitoring** | | | | |
+| CPU/Memory/Disk/Network | ❌ | ✅ | ❌ | - |
+| Docker container monitoring | ❌ | ✅ | ❌ | - |
+| GPU monitoring | ❌ | ✅ | ❌ | - |
+| SMART disk health | ❌ | ✅ | ❌ | - |
+| Temperature sensors | ❌ | ✅ | ❌ | - |
+| **Service Monitoring** | | | | |
+| HTTP/HTTPS monitoring | ✅ | ✅ | ✅ | - |
+| TCP port monitoring | ✅ | ✅ | ✅ | - |
+| Ping/ICMP monitoring | ✅ | ✅ | ✅ | - |
+| DNS monitoring | ✅ | ✅ | ✅ | - |
+| Keyword monitoring | ✅ | ✅ | ✅ | - |
+| JSON query monitoring | ✅ | ✅ | ✅ | - |
+| Real browser monitoring | ❌ | ❌ | ✅ | High |
+| gRPC monitoring | ❌ | ❌ | ✅ | Medium |
+| Game server monitoring | ❌ | ❌ | ✅ | Low |
+| MQTT monitoring | ❌ | ❌ | ✅ | Low |
+| **Notifications** | | | | |
+| Email notifications | ✅ | ✅ | ✅ | - |
+| Webhook notifications | ✅ | ✅ | ✅ | - |
+| Discord | ✅ | ✅ | ✅ | - |
+| Slack | ✅ | ✅ | ✅ | - |
+| Telegram | ✅ | ✅ | ✅ | - |
+| Gotify | ✅ | ✅ | ✅ | - |
+| Pushover | ✅ | ✅ | ✅ | - |
+| Signal | ✅ | ❌ | ✅ | Medium |
+| Microsoft Teams | ❌ | ❌ | ✅ | Medium |
+| PagerDuty | ❌ | ❌ | ✅ | Low |
+| Twilio/SMS | ❌ | ❌ | ✅ | Low |
+| **Features** | | | | |
+| Status pages | ✅ | ❌ | ✅ | High |
+| Incident management | ✅ | Partial | ✅ | High |
+| Maintenance windows | ❌ | ❌ | ✅ | Medium |
+| Multi-user/roles | ✅ | Partial | ✅ | Medium |
+| 2FA/SSO | ✅ | ❌ | Partial | Medium |
+| API access | ✅ | ❌ | ✅ | High |
+| Prometheus export | ✅ | ❌ | ❌ | Medium |
+| iCal/RSS feeds | ✅ | ❌ | ❌ | Low |
+| Mobile app/push | ❌ | ❌ | Partial | Low |
+| **Charts & Visualization** | | | | |
+| System resource charts | ❌ | ✅ | ❌ | - |
+| Domain expiry charts | ✅ | ✅ | ❌ | - |
+| Response time charts | ✅ | ✅ | ✅ | - |
+| Uptime statistics | ✅ | ✅ | ✅ | - |
+| Multi-series charts | ❌ | ✅ | ❌ | - |
+| Heatmaps/calendars | ✅ | ❌ | ❌ | Low |
+| **Data & Export** | | | | |
+| Import/export data | ✅ | ❌ | ❌ | Medium |
+| API for data access | ✅ | ❌ | Partial | High |
+| Backup/restore | ✅ | ❌ | ❌ | Medium |
+
+---
+
+## Missing Features (Priority Order)
+
+### High Priority
+1. **Status Pages** - Public-facing status pages for services
+2. **Real Browser Monitoring** - Monitor with headless browser for actual user experience
+3. **Incident Management** - Full incident tracking with status page integration
+4. **API Access** - REST API for external integrations
+5. **Maintenance Windows** - Schedule maintenance periods to suppress alerts
+
+### Medium Priority
+6. **Subdomain Tracking** - Track subdomains for each domain
+7. **Bulk Operations** - Bulk import/export for domains and monitors
+8. **Microsoft Teams** - Teams notification provider
+9. **Signal** - Signal messenger notifications
+10. **Multi-user Roles** - Better role-based access control
+11. **2FA/SSO** - Two-factor authentication and single sign-on
+12. **Prometheus Export** - Export metrics in Prometheus format
+
+### Low Priority
+13. **Game Server Monitoring** - Steam, GameDig protocols
+14. **MQTT Monitoring** - IoT device monitoring
+15. **gRPC Monitoring** - gRPC health checks
+16. **RSS/iCal Feeds** - Calendar and feed exports
+17. **Heatmaps** - Visual calendar heatmaps for uptime
+18. **Mobile Push** - Native mobile push notifications
+
+---
+
+## Recommended Next Features
+
+Based on user requests and gaps:
+
+### 1. Status Pages (HIGH)
+Public status pages showing:
+- Overall system status
+- Individual monitor status
+- Incident history
+- Uptime statistics
+- Custom branding/logo
+
+### 2. Maintenance Windows (HIGH)
+- Schedule maintenance periods
+- Suppress alerts during maintenance
+- Pre/post maintenance notifications
+- Recurring maintenance schedules
+
+### 3. API Endpoints (HIGH)
+REST API for:
+- CRUD operations on monitors/domains
+- Fetching stats and history
+- Triggering manual checks
+- Managing notifications
+
+### 4. Real Browser Monitoring (MEDIUM)
+- Puppeteer/Playwright integration
+- Full page load metrics
+- Screenshot on failure
+- Performance metrics (LCP, FCP, CLS)
+
+### 5. Enhanced Notifications (MEDIUM)
+- Signal provider
+- Microsoft Teams provider
+- Twilio SMS provider
+- PagerDuty integration
+- Custom webhook templates
+
+---
+
+## Chart Implementation Status
+
+### System Detail Page Charts (Complete)
+- ✅ CPU Usage Chart (Area with gradient)
+- ✅ Memory Usage Chart (Stacked area)
+- ✅ Disk I/O Chart (Line chart)
+- ✅ Network Traffic Chart (Line chart)
+- ✅ GPU Charts (Multi-metric)
+- ✅ Temperature Charts (Multi-sensor)
+- ✅ Load Average Chart
+
+### Domain Detail Page Charts (Updated)
+- ✅ Domain Expiry Timeline (Area chart with dual series)
+- 📊 Need: Domain health gauge
+- 📊 Need: SSL grade indicator
+
+### Monitor Detail Page Charts (Partial)
+- ✅ Response Time Chart (Area chart)
+- ✅ Uptime Chart (Area with SLA line)
+- 📊 Need: Status history heatmap
+- 📊 Need: Error rate chart
+
+---
+
+## Notification Providers Status
+
+### Currently Implemented (7)
+1. Email (SMTP)
+2. Webhook (Generic)
+3. Discord
+4. Slack
+5. Telegram
+6. Gotify
+7. Pushover
+
+### Recommended Additions
+1. **Signal** - Growing privacy-focused messenger
+2. **Microsoft Teams** - Enterprise standard
+3. **Twilio** - SMS/voice calls
+4. **PagerDuty** - Enterprise alerting
+5. **Matrix** - Decentralized chat
+6. **Ntfy** - Simple pub/sub notifications
+7. **Bark** - iOS push notifications
+8. **Pushbullet** - Cross-platform push
+
+---
+
+## Summary
+
+Our system has strong **system monitoring** (Beszel heritage) and good **domain monitoring** (Domain Locker inspired). The gaps are primarily in:
+
+1. **Public-facing features** (Status pages)
+2. **Enterprise integrations** (SSO, 2FA, Teams)
+3. **Advanced monitoring** (Real browser, gRPC)
+4. **API access** for external integrations
+
+The chart library is now exportable and can be used in other projects.