* fix: update Go CI workflow and fix formatting issues
- Update Go version from 1.21.x to 1.24.x to match go.mod requirements
- Fix Go module cache path to use linux/go.sum instead of **/go.sum
- Run gofmt on all Go files to fix formatting issues
- Fix benchmark files formatting
- Fix linux/pkg/api/server.go formatting
This resolves the GitHub Actions CI failures related to:
- Missing go.sum file (wrong cache path)
- Go version mismatch
- Code formatting violations
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* fix: add platform-specific syscall.Select wrappers for Linux/Darwin compatibility
- Create select_linux.go: handles syscall.Select returning (n int, err error)
- Create select_darwin.go: handles syscall.Select returning (err error)
- Update select.go to use platform-agnostic selectCall function
- Resolves typecheck errors while maintaining compatibility on both platforms
Tested on both macOS and Linux targets successfully.
---------
Co-authored-by: Claude <noreply@anthropic.com>
- Run go fmt on all Go files (10 files formatted)
- Fix 50+ errcheck issues by adding proper error handling
- Fix 3 staticcheck issues (empty branches, error string capitalization)
- Remove 2 unused struct fields
- Install and configure golangci-lint v2.1.6 for Go 1.24 compatibility
- All linting now passes with 0 issues
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-authored-by: Claude <noreply@anthropic.com>
* fix: optimize Go server CPU usage from 500%+ to efficient levels
Major performance improvements to resolve excessive CPU consumption:
**Critical Fixes:**
- Remove WebSocket busy loop that caused continuous CPU spinning
- Fix microsecond-level polling (100μs → 10ms) reducing 100x operations
- Replace ps subprocess calls with efficient kill(pid,0) syscalls
- Increase timer intervals (1s → 30s) for session status checks
**Optimizations:**
- Control FIFO polling: 100ms → 1s intervals
- Select timeout: 100ms → 1s to reduce unnecessary wakeups
- Smart status caching: skip checks for already-exited sessions
- Remove unused imports (os/exec, strconv)
**Impact:**
- Eliminates tight loops causing 10,000+ operations per second
- Reduces subprocess overhead from frequent ps command executions
- Changes from polling-based to efficient event-driven architecture
- Expected CPU usage reduction from 500%+ to levels comparable with Node.js version
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* fix: prevent WebSocket channel close panic with sync.Once
- Add sync.Once to prevent double-closing of done channel
- Update handleTextMessage signature to accept close function
- Use closeOnceFunc for safe channel closure across goroutines
Fixes panic: 'close of closed channel' in WebSocket handler
* feat: add --do-not-allow-column-set flag to disable resizing for spawned sessions
**New Flag:**
- `--do-not-allow-column-set` (default: true) - Disables terminal resizing for spawned shells
- Only affects sessions created with `spawn_terminal=true`
- Detached sessions (command-line, API without spawn) always allow resizing
**Implementation:**
- Add `IsSpawned` field to session.Config and session.Info structs
- Track whether session was spawned in terminal vs detached
- Server checks flag + spawn status before allowing resize operations
- Returns descriptive error for blocked resize attempts
**Behavior:**
- Spawned sessions: Resize blocked when flag enabled (default)
- Detached sessions: Always allow resizing regardless of flag
- Existing sessions preserve their resize capabilities
**API Response for blocked resize:**
```json
{
"success": false,
"message": "Resizing is disabled for spawned sessions",
"error": "resize_disabled_for_spawned_sessions"
}
```
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* feat: extend --do-not-allow-column-set flag to block ALL session resizing
**Breaking Change:** Flag now affects both spawned AND detached sessions
**Changes:**
- Remove `sess.IsSpawned()` check in resize handler
- Block resizing for ALL sessions when flag is enabled (default: true)
- Update flag description: "Disable terminal resizing for all sessions (spawned and detached)"
- Update error message: "Terminal resizing is disabled by server configuration"
- Update error code: "resize_disabled_by_server"
**New Behavior:**
- `--do-not-allow-column-set=true` (default): NO resizing for any session type
- `--do-not-allow-column-set=false`: Allow resizing for all session types
- Applies uniformly to both spawned terminal windows and detached CLI sessions
**API Response for blocked resize:**
```json
{
"success": false,
"message": "Terminal resizing is disabled by server configuration",
"error": "resize_disabled_by_server"
}
```
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
---------
Co-authored-by: Claude <noreply@anthropic.com>
* feat: add terminal max width option
- Add terminal preferences manager for persistent settings storage
- Add maxCols property to terminal component with width constraint logic
- Add UI toggle button (∞/80) in session header for easy width control
- Default behavior unchanged: unlimited width (takes full container)
- Optional 80-column max width limit when enabled
- Preferences saved to localStorage and restored on page load
- Real-time updates without page refresh
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* feat: enhance terminal width selector with common presets and custom input
- Add common terminal width presets: ∞, 80, 100, 120, 132, 160
- Add custom width input field (20-500 columns)
- Replace simple toggle with dropdown selector UI
- Include helpful descriptions for each preset
- Support keyboard shortcuts (Enter to submit, Escape to cancel)
- Add click-outside-to-close functionality
- Maintain all existing preferences persistence
- Show current width in button label and tooltip
Common widths:
- 80: Classic terminal
- 100: Modern standard
- 120: Wide terminal
- 132: Mainframe width
- 160: Ultra-wide
- Custom: User-defined (20-500)
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* fix: prevent WebSocket send on closed channel panic
Added safeSend helper function with panic recovery to handle race conditions
when multiple goroutines access WebSocket channels. Replaces unsafe channel
sends with graceful error handling.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
---------
Co-authored-by: Claude <noreply@anthropic.com>
- Add 'claude' as the first quick start command
- Set 'claude' as the default command instead of 'zsh'
- Add sparkle icon for Claude command
- Remove 'irb' to make room for Claude in the grid
- Change from bright accent fill to dark terminal background
- Add accent color border that gets thicker when active
- Use accent color for text instead of terminal foreground
- Better visual consistency with the dark terminal aesthetic
* Add Linux implementation of VibeTunnel
This commit introduces a complete Linux port of VibeTunnel, providing feature parity with the macOS version. The implementation includes:
- Full Go-based server with identical REST API and WebSocket endpoints
- Terminal session management using PTY (pseudo-terminal) handling
- Asciinema recording format for session playback
- Compatible CLI interface matching the macOS `vt` command
- Support for all VibeTunnel features: password protection, network modes, ngrok integration
- Comprehensive build system with Makefile supporting various installation methods
- Systemd service integration for running as a system daemon
The Linux version maintains 100% compatibility with the existing web UI and can be used as a drop-in replacement for the macOS app on Linux systems.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* Add comprehensive ngrok integration to Linux VibeTunnel
Implements full ngrok tunnel support for the Go/Linux version to match
the macOS Swift implementation, enabling secure public access to local
VibeTunnel instances.
- **ngrok Service**: Complete lifecycle management with status tracking
- **HTTP API**: RESTful endpoints matching macOS version
- **CLI Support**: Command-line ngrok flags and integration
- **Auto-forwarding**: Built-in HTTP request forwarding to local server
- `POST /api/ngrok/start` - Start tunnel with auth token
- `POST /api/ngrok/stop` - Stop active tunnel
- `GET /api/ngrok/status` - Get current tunnel status
- Uses `golang.ngrok.com/ngrok` SDK for native Go integration
- Thread-safe service with mutex protection
- Comprehensive error handling and logging
- Real-time status updates (disconnected/connecting/connected/error)
- Proper context cancellation for graceful shutdown
```bash
vibetunnel --serve --ngrok --ngrok-token "your_token"
vibetunnel --serve --port 4030 --ngrok --ngrok-token "your_token"
```
- Added golang.ngrok.com/ngrok v1.13.0
- Updated web packages (security fixes for puppeteer)
Maintains full API compatibility with macOS VibeTunnel for seamless
cross-platform operation and consistent web frontend integration.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* up
* Fix SSE streaming performance with byte-based approach
Addresses @badlogic's review feedback to prevent performance issues
with line-based file reading in processNewContent().
## Changes Made
### Performance Fix
- **Byte-based seeking**: Replace line counting with file position tracking
- **Efficient reads**: Only read new content since last position using file.Seek()
- **Memory optimization**: Avoid reading entire file on each update
- **Incomplete line handling**: Properly handle partial lines at file end
### Technical Details
- Changed lastLineCount *int → seenBytes *int64
- Use file.Seek(seenBytes, 0) to jump to last read position
- Read only new content with currentSize - seenBytes
- Handle incomplete lines by adjusting seek position
- Maintains same functionality with better performance
### Benefits
- **Scalability**: No longer reads entire file for each update
- **Performance**: O(new_content) instead of O(total_content)
- **Memory**: Constant memory usage regardless of file size
- **Reliability**: Handles concurrent writes and partial lines correctly
This prevents the SSE streaming from exploding in our faces as @badlogic
warned, especially for long-running sessions with large output files.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* Optimize streaming performance to reduce 1+ second delays
Implements multiple optimizations to address user-reported 1+ second delay
between typing and stream rendering:
## PTY Reading Optimizations
- **Reduced sleep times**: 100ms → 1ms for EOF checks
- **Faster polling**: 10ms → 1ms for zero-byte reads
- **FIFO optimization**: 1s → 100ms for stdin EOF polling
## UTF-8 Buffering Improvements
- **Timeout-based flushing**: 5ms timer for incomplete UTF-8 sequences
- **Real-time streaming**: Don't wait for complete sequences in interactive mode
- **Smart buffering**: Balance correctness with responsiveness
## File I/O Optimizations
- **Immediate sync**: Call file.Sync() after each write for instant fsnotify
- **Reduced SSE timeout**: 1s → 100ms for session alive checks
- **Better responsiveness**: Ensure file changes trigger immediately
## Technical Changes
- Added StreamWriter.scheduleFlush() with 5ms timeout
- Enhanced writeEvent() with conditional file syncing
- Optimized PTY read/write loop timing
- Improved SSE streaming frequency
These changes target the main bottlenecks identified in the
PTY → file → fsnotify → SSE → browser pipeline.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* Fix critical stdin polling delay causing 1+ second input lag
- Reduced FIFO EOF polling from 100ms to 1ms
- Reduced EAGAIN polling from 1ms to 100µs
- Added immediate continue after successful writes
- This eliminates the major input delay bottleneck
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* Fix critical performance issues causing resource leaks and CPU burns
Performance optimizations based on code review feedback:
1. **Fix SSE goroutine leaks**:
- Added client disconnect detection to SSE streams
- Propagate write errors to detect when clients close connections
- Prevents memory leaks from abandoned streaming goroutines
2. **Fix PTY busy-loop CPU burn**:
- Increased sleep from 1ms to 10ms in idle scenarios
- Reduces CPU wake-ups from 1000/s to 100/s (10x improvement)
- Significantly reduces CPU usage when PTY is idle
3. **Multi-stream disconnect detection**:
- Added error checking to multi-stream write operations
- Prevents goroutine leaks in multi-session streaming
These fixes address the "thing of the things" - performance\!
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* Standardize session creation API response format to match Rust server
Changes:
- Updated Go server session creation response to include success/message/error fields
- Now returns: {"success": true, "message": "Session created successfully", "error": null, "sessionId": "..."}
- Maintains backward compatibility with existing sessionId field
- Go server already supported both input formats (cmdline/command, cwd/workingDir)
This achieves protocol compatibility between Go and Rust implementations.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* Fix delete endpoint to return 200 OK with JSON response
- Changed handleKillSession to return 200 OK instead of 204 No Content
- Added JSON response with success/message fields for consistency
- Fixes benchmark tool compatibility expecting 200 response
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* Update Go server API to match Rust format exactly
- Use 'command' array instead of 'cmdline'
- Use 'workingDir' instead of 'cwd'
- Remove compatibility shims for cleaner API
- Better error messages matching Rust server
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* Major performance optimizations for Go server
- Remove 100ms artificial delay in session creation (-100ms per session)
- Optimize PTY I/O handling with reduced polling intervals
- Implement persistent stdin pipes to avoid repeated open/close
- Batch file sync operations to reduce I/O overhead (5ms batching)
- Remove blocking status updates from API handlers
- Increase SSE session check interval from 100ms to 1s
Target: Match Rust performance (60ms avg latency, 16+ ops/sec)
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* Fix O_NONBLOCK compilation issue
* Add comprehensive TLS/HTTPS support with Caddy integration
Features:
- Optional TLS support via CLI flags (defaults to HTTP like Rust)
- Self-signed certificate generation for localhost development
- Let's Encrypt automatic certificate management for domains
- Custom certificate support for production environments
- HTTP to HTTPS redirect capability
- Maintains 100% backward compatibility with Rust version
Usage examples:
- Default HTTP: ./vibetunnel --serve (same as Rust)
- HTTPS with self-signed: ./vibetunnel --serve --tls
- HTTPS with domain: ./vibetunnel --serve --tls --tls-domain example.com
- HTTPS with custom certs: ./vibetunnel --serve --tls --tls-cert cert.pem --tls-key key.pem
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* Fix terminal sizing issues and implement dynamic resize support
Backend changes:
- Add handleResizeSession API endpoint for dynamic terminal resizing
- Implement Session.Resize() and PTY.Resize() methods with proper validation
- Add session registry in Manager to track running sessions with PTY access
- Fix stdin error handling to prevent session crashes on EAGAIN errors
- Write resize events to asciinema stream for frontend synchronization
- Update default terminal dimensions from 80x24 to 120x30
Frontend changes:
- Add width/height parameters to SessionCreateData interface
- Calculate appropriate terminal dimensions when creating sessions
- Implement automatic resize API calls when terminal dimensions change
- Add terminal-resize event dispatch for backend synchronization
- Ensure resize events bubble properly for session management
Fixes nvim being stuck at 80x24 by implementing proper terminal
dimension management and dynamic resizing capabilities.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* Add client-side resize caching and Hack Nerd Font support
- Implement resize request caching to prevent redundant API calls
- Add debouncing to terminal resize events (250ms delay)
- Replace ResizeObserver with window.resize events only to eliminate pixel-level jitter
- Add Hack Nerd Font Mono as primary terminal font with Fira Code fallback
- Update session creation to use conservative 120x30 defaults
- Fix terminal dimension calculation in normal mode
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* Add comprehensive XTerm color and rendering enhancements
- Complete 256-color palette support with CSS variables (0-255)
- Enhanced XTerm configuration with proper terminal options
- True xterm-compatible 16-color theme
- Text attribute support: bold, italic, underline, dim, strikethrough, inverse, invisible
- Cursor blinking with CSS animation
- Font rendering optimizations (disabled ligatures, antialiasing)
- Terminal-specific CSS styling for better rendering
- Mac option key as meta, alt-click cursor movement
- Selection colors and inactive selection support
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
---------
Co-authored-by: Claude <noreply@anthropic.com>
