Agent Package (internal/agent/):
- Agent struct with all collectors and memory-efficient pooling
- Run loop with configurable collection interval
- Graceful shutdown with context cancellation
- Auto-reconnection callback for re-registration
gRPC Client (internal/agent/client.go):
- mTLS support with CA, agent cert, and key
- Bidirectional streaming for metrics
- Heartbeat fallback when streaming fails
- Exponential backoff with jitter for reconnection
- Concurrent reconnection handling with mutex
Protocol Buffers (proto/tyto.proto):
- AgentService with Stream, Register, Heartbeat RPCs
- MetricsReport with summary fields for aggregation
- ConfigUpdate and Command messages for server control
- RegisterStatus enum for registration workflow
CLI Integration (cmd/tyto/main.go):
- Full agent subcommand with flag parsing
- Support for --id, --server, --interval, --ca-cert, etc.
- Environment variable overrides (TYTO_AGENT_*)
- Signal handling for graceful shutdown
Build System (Makefile):
- Cross-compilation for linux/amd64, arm64, armv7
- Stripped binaries with version info
- Proto generation target
- Test and coverage targets
Config Updates:
- DefaultConfig() and LoadFromPath() functions
- Agent config properly parsed from YAML
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
PKI Package (internal/pki/):
- CA initialization with configurable validity and key size
- Server certificate generation with DNS/IP SANs
- Agent certificate generation (agent ID in CN)
- Certificate revocation list (CRL) support
- mTLS TLS configuration helpers
- File-based certificate store with JSON persistence
CLI Commands (cmd/tyto/):
- `tyto pki init-ca` - Initialize new Certificate Authority
- `tyto pki gen-server` - Generate server certificate
- `tyto pki gen-agent` - Generate agent certificate
- `tyto pki revoke` - Revoke certificate by serial
- `tyto pki list` - List all certificates
- `tyto pki info` - Show CA information
Security Features:
- RSA 4096-bit keys by default
- TLS 1.2 minimum version
- Client certificate verification for mTLS
- CRL checking in TLS handshake
- Agent ID extraction from verified certificates
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Rename project from system-monitor to Tyto (barn owl themed)
- Update Go module name and all import paths
- Update Docker container names (tyto-backend, tyto-frontend)
- Update localStorage keys (tyto-settings, tyto-hosts)
- Create barn owl SVG favicon and PWA icons (192, 512)
- Update header with owl logo icon
- Update manifest.json and app.html with Tyto branding
Named after Tyto alba, the barn owl — nature's silent, watchful guardian
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Dashboard Editor & Layout:
- Full-screen visual editor for reorganizing cards
- Drag-and-drop cards between sections
- Toggle card visibility with persistence to localStorage
- Reset to default layout option
Alerts System:
- Threshold-based alerts for CPU, memory, temperature, disk, GPU
- Alert manager with duration requirements
- AlertsCard component with settings UI
- API endpoints for alerts CRUD
New Collectors:
- Docker container monitoring with parallel stats fetching
- Systemd service status via D-Bus
- Historical metrics storage (1 hour at 1s intervals)
PWA Support:
- Service worker with offline caching
- Web app manifest with SVG icons
- iOS PWA meta tags
Mobile Responsive:
- Collapsible hamburger menu on mobile
- Adaptive grid layouts for all screen sizes
- Touch-friendly hover states
- Safe area insets for notched devices
UI Enhancements:
- Light/dark theme toggle with persistence
- Keyboard shortcuts (T=theme, R=refresh, ?=help)
- Per-process expandable details in ProcessesCard
- Sparkline charts for historical data
Performance Fixes:
- Buffered SSE channels to prevent blocking
- Parallel Docker stats collection with timeout
- D-Bus timeout for systemd collector
Tests:
- Unit tests for CPU, memory, network collectors
- Alert manager tests
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Full-stack system monitoring dashboard for Linux with AMD GPU support.
Features:
- Real-time metrics via Server-Sent Events (SSE)
- CPU usage per core with frequency and load averages
- Memory and swap utilization
- Disk usage and I/O activity
- Network interfaces with traffic stats
- Process list sorted by CPU or memory
- Temperature sensors (CPU, GPU, NVMe, motherboard)
- AMD GPU monitoring (utilization, VRAM, temp, clocks, power, fan)
- Configurable refresh rate (1-60 seconds)
Stack:
- Backend: Go + Gin, reading from /proc and /sys
- Frontend: SvelteKit 5 + Tailwind CSS
- Deployment: Docker Compose with host volume mounts
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
