Bohdan Triapitsyn 47c943b487 feat(ui): redesign workspace shell with context panel, tabbed sidebars, and faster diff UX (#433)
* feat: tabbed right sidebar, context panel, floating diff comments

* fix: auto-close left sidebar when context panel opens

- Increase default context panel width from 520 to 600 pixels
- Increase sidebar minimum width from 200 to 300 pixels
- Replace collapsible component with custom button in diff view

* refactoring: rework sidebars, tabs, and file tree layout

- Rewrite AnimatedTabs as segment-style with sliding indicator
- Upgrade SidebarFilesTree to match FilesView features (context menus,
  git status, file icons, CRUD dialogs, fuzzy search ranking)
- Restructure FilesView header: tabs row + actions row, remove breadcrumbs
- Show relative path in context panel header, track active tab
- Allow left sidebar to stay open alongside context panel
- Hide diff/files tabs from header on desktop (mobile-only)
- Move chevron after group name in session sidebar
- Compact tab heights in right sidebar and git view
- Size PreviewToggleButton to match other action buttons
- Remove directory loading spinner from folder icons

* feat: add project icon and color customization

- Enable users to assign custom icons to projects
- Allow users to choose accent colors for projects
- Stabilize repo status UI during project switching

* feat: add scroll fade indicators to editor tabs

* style: reduce spacing and icon sizes in header

* style: adjust tab component padding from uniform to vertical-horizontal

* feat: Add session state indicators to project tabs

* feat: Enhance session status handling and improve UI responsiveness

* fix: preserve upstream tracking on branch rename

* fix: improve initial remote selection for pull requests

- Uses saved remote name from previous session when available
- Selects remote based on tracking branch when possible
- Falls back to origin or first available remote

* perf(diff): faster highlight, stable stacked scroll

- split/unified Pierre worker pools; prefer shiki-wasm
- align diff CSS line-height; disable scroll anchoring; drop WebKit compositing hacks
- harden stacked pin/align (cancel on user scroll/input); prevent overscroll
- make overlay scrollbar MutationObserver optional; disable for diff container

* feat: handle binary files in diff view

* fix: adjust project tabs layout and drag regions

* style: update drag overlay visual styling

* feat: enable number keys to switch projects in the sidebar

* fix: recognize octet-stream as text-based MIME type

* feat: add keyboard navigation to context panel

* feat: add session pinning to sidebar

- Pin important sessions to keep them at the top
- Pinned sessions persist across browser sessions

* refactor: move context usage display from chat input to header
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OpenChamber

GitHub stars GitHub forks GitHub release Created with OpenCode Ask Zread Discord Support the project

Web and desktop interface for the OpenCode AI coding agent. Works alongside the OpenCode TUI.

The OpenCode team is actively working on their own desktop app. I still decided to release this project as a fan-made alternative.

It was entirely built with OpenCode tool - first with the TUI version, then with the first usable version of OpenChamber, which I then used to build the rest.

The whole project was built entirely with AI coding agents under my supervision. It started as a hobby project and proof of concept that AI agents can create genuinely usable software.

OpenChamber Chat

More screenshots

Tool Output Settings Web Version Diff View VS Code Extension

PWA Chat PWA Terminal

Why use OpenChamber?

  • Cross-device continuity: Start in TUI, continue on tablet/phone, return to terminal - same session
  • Remote access: Use OpenCode from anywhere via browser
  • Familiarity: A visual alternative for developers who prefer GUI workflows

Features

Core (all apps versions)

  • Integrated terminal
  • Git operations with identity management and AI commit message generation
  • Smart tool visualization (inline diffs, file trees, results highlighting)
  • Rich permission cards with syntax-highlighted operation previews
  • Per-agent permission modes (ask/allow/full) per session
  • Multi-agent runs from a single prompt (isolated worktrees; Web/PWA + Desktop)
  • Branchable conversations: start a new session from any assistant response
  • Task tracker UI with live progress and tool summaries
  • Model selection UX: favorites, recents, and configurable tool output density
  • UI scaling controls (font size and spacing)
  • Session auto-cleanup with configurable retention
  • Memory optimizations with LRU eviction

Web / PWA

  • Mobile-first UI with gestures and optimized terminal controls
  • Self-serve web updates (no CLI required)
  • Update and restart keeps previous server settings (port/password)
  • Cloudflare Quick Tunnel support for easy remote access (--try-cf-tunnel)
  • QR code generation for quick mobile access (--tunnel-qr)
  • Auto-login URL with embedded password (--tunnel-password-url)

Desktop (macOS)

  • Native macOS menu bar integration with app actions
  • First-launch directory picker to minimize permission prompts

VS Code Extension

  • Editor-integrated file picker and click-to-open from tool output
  • In-extension Settings access and theme mapping

GitHub Actions (Cloud Usage)

Run OpenChamber remotely using GitHub Actions. No local computer required.

  • Zero Setup: Runs on GitHub's infrastructure.
  • Persistence: Optional; enabled when OPENCODE_SERVER_PASSWORD is set (encrypted).
  • Remote Access: Access via secure tunnel (Cloudflare/Ngrok).

Read the Guide: OpenChamber for Actions

Custom Themes

Create your own color schemes by dropping JSON files into ~/.config/openchamber/themes/. Hot reload supported — no restart needed.

Read the Guide: Custom Themes

Installation

VS Code Extension

Install from VS Code Marketplace / Open VSX Registry or search "OpenChamber" in Extensions.

CLI (Web Server)

# Quick install (auto-detects your package manager)
curl -fsSL https://raw.githubusercontent.com/btriapitsyn/openchamber/main/scripts/install.sh | bash

# Or install manually
bun add -g @openchamber/web    # or npm, pnpm, yarn
openchamber                          # Start on port 3000
openchamber --port 8080              # Custom port
openchamber --daemon                 # Background mode
openchamber --ui-password secret     # Password-protect UI
openchamber --try-cf-tunnel          # Create a Cloudflare Quick Tunnel for remote access
openchamber --try-cf-tunnel --tunnel-qr              # Show QR code for easy mobile access
openchamber --try-cf-tunnel --tunnel-password-url   # Include password in URL for auto-login
OPENCODE_PORT=4096 OPENCODE_SKIP_START=true openchamber  # Connect to external OpenCode server
openchamber stop                     # Stop server
openchamber update                   # Update to latest version

Desktop App (macOS)

Download from Releases.

Prerequisites

See CONTRIBUTING.md for guidelines.

Tech Stack

Frontend

React TypeScript Vite Tailwind CSS

State & UI

Zustand Radix UI

Backend & Desktop

Express Tauri OpenCode SDK

Acknowledgments

Independent project, not affiliated with OpenCode team.

Special thanks to:

  • OpenCode - For the excellent API and extensible architecture.
  • Flexoki - Beautiful color scheme by Steph Ango.
  • Pierre - Fast, beautiful diff viewer with syntax highlighting.
  • Tauri - Desktop application framework.
  • Ghossty-web - for a great implementeation of a Ghostty web renderer.
  • David Hill - who inspired me to release this without overthinking.
  • My wife, who created a beautiful firework animation for the app while testing it for the first time.

License

MIT

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