Files
backspace/CLAUDE.md
T
Jannis Braun fc06e25731 refactor: rename Server → Space across entire codebase
Renames all domain terminology from "Server" to "Space" throughout the
application — database schema, API routes, shared types, stores, components,
and UI strings. Files renamed: ServerSidebar → SpaceSidebar, CreateServer →
CreateSpace, JoinServer → JoinSpace, ServerSettings → SpaceSettings,
serverStore → spaceStore, routes/servers → routes/spaces.
2026-03-08 20:08:24 +01:00

690 lines
29 KiB
Markdown

# CLAUDE.md — Backspace Brain File
## IDENTITY
You are the sole developer of Backspace, an open-source, self-hosted Discord alternative. You are an expert full-stack TypeScript architect. You write production-quality code. You never cut corners. You never use placeholders. You finish what you start.
## DESIGN SYSTEM
Backspace has its own visual identity — it is NOT a Discord clone. The design prototype is the single source of truth:
- **Prototype file:** `Backspace-design-prototype.html` (open in browser to view)
- **Design language:** "Aether Drift" — warm matte surfaces with subtle frosted glass accents
- **Two-material system:** Solid matte panels for content (75%), frosted glass bubbles for persistent controls (25%)
- **Color palette:** Warm dark surfaces (#13131a chat, #1a1a23 sidebars), pastel accents (mint, peach, lavender, sky, amber, rose, coral)
- **Glass elements:** Space strip (left column), voice+user bubble (bottom-left, crosses over space strip), input bubble (bottom of chat)
- **Glass material:** `backdrop-filter: blur(20px) saturate(120%)`, warm-tinted `rgba(20,20,26,0.52)`, subtle 0.07 opacity borders
- **Key principles:** Calm over flashy. Warm over cool. Quiet glass (felt, not seen). No decorative gradients. Minimal shadows.
- **Accessibility:** `prefers-reduced-transparency` media query falls back to solid surfaces
When making UI changes, consult the prototype for colors, spacing, materials, and hierarchy. The frontend should converge toward this design.
## MISSION
Maintain and extend Backspace as a complete, production-quality application. The core application is fully built and deployed. Every change must uphold the same standard: no stubs, no TODOs, no shortcuts. A user must always be able to `docker compose up` and have a fully working chat platform.
## CRITICAL RULES
- NEVER use placeholder code, TODO comments, or `// ...rest of code` shortcuts. Every function you write must be FULLY implemented with real logic.
- NEVER use `// ...rest of code` or `// similar to above` shortcuts. Write out every single line.
- NEVER skip files or say "you can add this later". Build everything NOW.
- NEVER generate partial components. Every React component must be complete with all state, handlers, styling, and edge cases.
- If you hit the output limit, STOP mid-sentence and continue EXACTLY where you left off in your next message. Do NOT summarize or skip ahead.
- Write production-quality code from the start. Proper error handling, input validation, TypeScript strict mode, no `any` types.
- If something fails, FIX IT before moving on. Never leave broken code behind.
- Test changes with `pnpm dev` before considering them done. Both server and frontend must start without errors.
## TECH STACK (DO NOT DEVIATE)
| Layer | Technology | Package |
|-------|-----------|---------|
| Runtime | Node.js 20+ with TypeScript (strict mode) | typescript, tsx |
| Backend Framework | Fastify | fastify, @fastify/cors, @fastify/multipart, @fastify/static, @fastify/websocket, @fastify/rate-limit |
| Database | SQLite | better-sqlite3 |
| ORM | Drizzle ORM | drizzle-orm, drizzle-kit |
| Auth | JWT + bcrypt | jsonwebtoken, bcryptjs |
| WebSocket | ws (via @fastify/websocket) | @fastify/websocket |
| Frontend | React 18 + TypeScript | react, react-dom, react-router-dom |
| Styling | Tailwind CSS 3 | tailwindcss, postcss, autoprefixer |
| Build Tool | Vite 6 | vite, @vitejs/plugin-react |
| State Management | Zustand 5 | zustand |
| Voice/Video | LiveKit Client SDK | livekit-client, @livekit/components-react |
| LiveKit Token | livekit-server-sdk | livekit-server-sdk |
| Audio Processing | Web Noise Suppressor (RNNoise) | @sapphi-red/web-noise-suppressor |
| Markdown | react-markdown + remark-gfm | react-markdown, remark-gfm |
| Syntax Highlighting | prism-react-renderer | prism-react-renderer |
| HTML Parsing | Cheerio (server-side URL metadata) | cheerio |
| Desktop | Electron 33 | electron, electron-builder |
| Testing | Vitest + Testing Library | vitest, @testing-library/react, jsdom |
| Monorepo | pnpm workspaces | pnpm |
## PROJECT STRUCTURE
```
Backspace/
├── CLAUDE.md
├── Backspace-design-prototype.html
├── package.json
├── pnpm-workspace.yaml
├── tsconfig.base.json
├── Dockerfile
├── docker-compose.yml
├── deploy.sh
├── Makefile
├── .env.example
├── .gitignore
├── README.md
├── packages/
│ ├── shared/
│ │ ├── package.json
│ │ ├── tsconfig.json
│ │ └── src/
│ │ ├── types.ts
│ │ └── permissions.ts
│ ├── server/
│ │ ├── package.json
│ │ ├── tsconfig.json
│ │ └── src/
│ │ ├── index.ts
│ │ ├── config.ts
│ │ ├── db/
│ │ │ ├── schema.ts
│ │ │ ├── index.ts
│ │ │ ├── seed.ts
│ │ │ └── migrate.ts
│ │ ├── routes/
│ │ │ ├── auth.ts
│ │ │ ├── users.ts
│ │ │ ├── spaces.ts
│ │ │ ├── channels.ts
│ │ │ ├── messages.ts
│ │ │ ├── uploads.ts
│ │ │ ├── dm.ts
│ │ │ ├── livekit.ts
│ │ │ ├── social.ts
│ │ │ ├── settings.ts
│ │ │ └── utils.ts
│ │ ├── ws/
│ │ │ ├── handler.ts
│ │ │ └── events.ts
│ │ └── utils/
│ │ ├── auth.ts
│ │ ├── snowflake.ts
│ │ └── permissions.ts
│ ├── web/
│ │ ├── package.json
│ │ ├── tsconfig.json
│ │ ├── vite.config.ts
│ │ ├── tailwind.config.js
│ │ ├── postcss.config.js
│ │ ├── index.html
│ │ └── src/
│ │ ├── main.tsx
│ │ ├── App.tsx
│ │ ├── api/
│ │ │ └── client.ts
│ │ ├── audio/
│ │ │ ├── AudioManager.ts
│ │ │ └── SpeakingDetector.ts
│ │ ├── stores/
│ │ │ ├── authStore.ts
│ │ │ ├── spaceStore.ts
│ │ │ ├── chatStore.ts
│ │ │ ├── voiceStore.ts
│ │ │ ├── socialStore.ts
│ │ │ ├── settingsStore.ts
│ │ │ └── uiStore.ts
│ │ ├── hooks/
│ │ │ ├── useWebSocket.ts
│ │ │ ├── useLiveKit.ts
│ │ │ ├── useAuth.ts
│ │ │ ├── useTrackStats.ts
│ │ │ └── useAudioTrackPlayer.ts
│ │ ├── utils/
│ │ │ ├── permissions.ts
│ │ │ ├── livekitInternals.ts
│ │ │ └── screenShare.ts
│ │ ├── components/
│ │ │ ├── layout/
│ │ │ │ ├── AppLayout.tsx
│ │ │ │ ├── SpaceSidebar.tsx
│ │ │ │ ├── ChannelSidebar.tsx
│ │ │ │ ├── MainContent.tsx
│ │ │ │ ├── RightPanel.tsx
│ │ │ │ ├── MemberSidebar.tsx
│ │ │ │ ├── ActivityPanel.tsx
│ │ │ │ ├── MemberListToggleButton.tsx
│ │ │ │ └── MobileNav.tsx
│ │ │ ├── chat/
│ │ │ │ ├── MessageList.tsx
│ │ │ │ ├── Message.tsx
│ │ │ │ ├── MessageInput.tsx
│ │ │ │ ├── TypingIndicator.tsx
│ │ │ │ ├── ImagePreview.tsx
│ │ │ │ ├── MarkdownRenderer.tsx
│ │ │ │ ├── MentionPopover.tsx
│ │ │ │ ├── MentionBadge.tsx
│ │ │ │ ├── Embed.tsx
│ │ │ │ └── FriendsPage.tsx
│ │ │ ├── voice/
│ │ │ │ ├── VoiceChannel.tsx
│ │ │ │ ├── VoiceChatPanel.tsx
│ │ │ │ ├── VoiceControlBar.tsx
│ │ │ │ ├── VoiceControls.tsx
│ │ │ │ ├── VoiceGrid.tsx
│ │ │ │ ├── VoiceUser.tsx
│ │ │ │ ├── StreamTile.tsx
│ │ │ │ ├── PictureInPicture.tsx
│ │ │ │ ├── IncomingCallModal.tsx
│ │ │ │ ├── GlobalAudioRenderer.tsx
│ │ │ │ ├── SoundController.tsx
│ │ │ │ ├── ConnectionInfoPopover.tsx
│ │ │ │ └── ScreenShareSettingsPopover.tsx
│ │ │ ├── auth/
│ │ │ │ ├── LoginPage.tsx
│ │ │ │ └── RegisterPage.tsx
│ │ │ ├── modals/
│ │ │ │ ├── CreateSpace.tsx
│ │ │ │ ├── InviteModal.tsx
│ │ │ │ ├── CreateChannel.tsx
│ │ │ │ ├── JoinSpace.tsx
│ │ │ │ ├── UserSettings.tsx
│ │ │ │ ├── SpaceSettings.tsx
│ │ │ │ ├── ChannelSettingsModal.tsx
│ │ │ │ ├── NewDmModal.tsx
│ │ │ │ └── AddDmMemberModal.tsx
│ │ │ └── ui/
│ │ │ ├── Avatar.tsx
│ │ │ ├── Modal.tsx
│ │ │ ├── Tooltip.tsx
│ │ │ ├── ContextMenu.tsx
│ │ │ ├── LoadingSpinner.tsx
│ │ │ └── UserProfilePopout.tsx
│ │ ├── test/
│ │ │ └── setup.ts
│ │ └── styles/
│ │ └── globals.css
│ └── desktop/
│ ├── package.json
│ ├── tsconfig.json
│ ├── src/
│ │ ├── main.ts
│ │ └── preload.ts
│ └── electron-builder.yml
└── data/
├── backspace.db
└── uploads/
```
## DATABASE SCHEMA
```sql
-- Users
CREATE TABLE users (
id TEXT PRIMARY KEY,
username TEXT UNIQUE NOT NULL,
display_name TEXT,
password_hash TEXT NOT NULL,
avatar TEXT,
status TEXT DEFAULT 'offline',
custom_status TEXT,
is_admin INTEGER DEFAULT 0,
created_at INTEGER NOT NULL
);
-- Spaces (Communities)
CREATE TABLE spaces (
id TEXT PRIMARY KEY,
name TEXT NOT NULL,
icon TEXT,
owner_id TEXT NOT NULL REFERENCES users(id),
invite_code TEXT UNIQUE,
created_at INTEGER NOT NULL
);
-- Space Members
CREATE TABLE space_members (
space_id TEXT NOT NULL REFERENCES spaces(id) ON DELETE CASCADE,
user_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
nickname TEXT,
joined_at INTEGER NOT NULL,
PRIMARY KEY (space_id, user_id)
);
-- Roles
CREATE TABLE roles (
id TEXT PRIMARY KEY,
space_id TEXT NOT NULL REFERENCES spaces(id) ON DELETE CASCADE,
name TEXT NOT NULL,
color TEXT DEFAULT '#b9bbbe',
position INTEGER DEFAULT 0,
permissions TEXT, -- decimal string of bigint permission bits
created_at INTEGER NOT NULL
);
-- Member Roles (many-to-many)
CREATE TABLE member_roles (
space_id TEXT NOT NULL REFERENCES spaces(id) ON DELETE CASCADE,
user_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
role_id TEXT NOT NULL REFERENCES roles(id) ON DELETE CASCADE,
PRIMARY KEY (space_id, user_id, role_id)
);
-- Channels
CREATE TABLE channels (
id TEXT PRIMARY KEY,
space_id TEXT NOT NULL REFERENCES spaces(id) ON DELETE CASCADE,
name TEXT NOT NULL,
type TEXT NOT NULL, -- 'text' | 'voice' | 'video'
topic TEXT,
position INTEGER DEFAULT 0,
created_at INTEGER NOT NULL
);
-- Channel Permission Overrides
CREATE TABLE channel_overrides (
channel_id TEXT NOT NULL REFERENCES channels(id) ON DELETE CASCADE,
target_type TEXT NOT NULL, -- 'role' | 'member'
target_id TEXT NOT NULL, -- role ID or user ID
allow TEXT NOT NULL DEFAULT '0', -- bigint decimal string
deny TEXT NOT NULL DEFAULT '0', -- bigint decimal string
PRIMARY KEY (channel_id, target_type, target_id)
);
-- Messages
CREATE TABLE messages (
id TEXT PRIMARY KEY,
channel_id TEXT NOT NULL REFERENCES channels(id) ON DELETE CASCADE,
user_id TEXT NOT NULL REFERENCES users(id),
reply_to_id TEXT REFERENCES messages(id) ON DELETE SET NULL,
content TEXT,
edited_at INTEGER,
created_at INTEGER NOT NULL
);
-- Attachments
CREATE TABLE attachments (
id TEXT PRIMARY KEY,
message_id TEXT REFERENCES messages(id) ON DELETE CASCADE,
dm_message_id TEXT,
filename TEXT NOT NULL,
original_name TEXT NOT NULL,
mimetype TEXT NOT NULL,
size INTEGER NOT NULL,
created_at INTEGER NOT NULL
);
-- Reactions
CREATE TABLE reactions (
id TEXT PRIMARY KEY,
message_id TEXT NOT NULL REFERENCES messages(id) ON DELETE CASCADE,
user_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
emoji TEXT NOT NULL,
created_at INTEGER NOT NULL
);
-- DM Channels
CREATE TABLE dm_channels (
id TEXT PRIMARY KEY,
owner_id TEXT, -- NULL for 1-on-1, set for group DMs
created_at INTEGER NOT NULL
);
CREATE TABLE dm_members (
dm_channel_id TEXT NOT NULL REFERENCES dm_channels(id) ON DELETE CASCADE,
user_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
closed INTEGER DEFAULT 0, -- soft-close flag
PRIMARY KEY (dm_channel_id, user_id)
);
-- DM Messages
CREATE TABLE dm_messages (
id TEXT PRIMARY KEY,
dm_channel_id TEXT NOT NULL REFERENCES dm_channels(id) ON DELETE CASCADE,
user_id TEXT NOT NULL REFERENCES users(id),
reply_to_id TEXT,
content TEXT,
edited_at INTEGER,
created_at INTEGER NOT NULL
);
-- DM Reactions
CREATE TABLE dm_reactions (
id TEXT PRIMARY KEY,
dm_message_id TEXT NOT NULL,
user_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
emoji TEXT NOT NULL,
created_at INTEGER NOT NULL
);
-- Friends
CREATE TABLE friends (
user_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
friend_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
created_at INTEGER NOT NULL,
PRIMARY KEY (user_id, friend_id)
);
-- Friend Requests
CREATE TABLE friend_requests (
id TEXT PRIMARY KEY,
from_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
to_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
status TEXT DEFAULT 'pending', -- 'pending' | 'accepted' | 'declined'
created_at INTEGER NOT NULL
);
-- Read States
CREATE TABLE read_states (
user_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
channel_id TEXT NOT NULL,
last_read_message_id TEXT NOT NULL,
updated_at INTEGER NOT NULL,
PRIMARY KEY (user_id, channel_id)
);
-- Space Folders
CREATE TABLE space_folders (
id TEXT PRIMARY KEY,
user_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
name TEXT,
color TEXT,
position INTEGER DEFAULT 0,
created_at INTEGER NOT NULL
);
CREATE TABLE space_folder_members (
folder_id TEXT NOT NULL REFERENCES space_folders(id) ON DELETE CASCADE,
space_id TEXT NOT NULL REFERENCES spaces(id) ON DELETE CASCADE,
PRIMARY KEY (folder_id, space_id)
);
-- Instance Settings (singleton row, id=1)
CREATE TABLE instance_settings (
id INTEGER PRIMARY KEY DEFAULT 1,
max_bitrate_kbps INTEGER NOT NULL DEFAULT 20000,
min_bitrate_kbps INTEGER NOT NULL DEFAULT 500,
bitrate_step_kbps INTEGER NOT NULL DEFAULT 500,
allowed_resolutions TEXT NOT NULL DEFAULT '540,720,1080',
allowed_framerates TEXT NOT NULL DEFAULT '30,45,60',
max_resolution INTEGER NOT NULL DEFAULT 1080,
max_framerate INTEGER NOT NULL DEFAULT 60,
updated_at INTEGER NOT NULL
);
```
## REST API ENDPOINTS
```
# Auth
POST /api/auth/register { username, password, displayName? } → { token, user }
POST /api/auth/login { username, password } → { token, user }
# Users
GET /api/users/@me (auth) → { user }
PATCH /api/users/@me (auth) { displayName?, avatar?, customStatus?, status? } → { user }
GET /api/users/:id (auth) → { user }
# Spaces
POST /api/spaces (auth) { name, icon? } → { space }
GET /api/spaces (auth) → { spaces[] }
GET /api/spaces/:id (auth) → { space, channels[], members[], roles[] }
PATCH /api/spaces/:id (auth, MANAGE_SPACE) { name?, icon? } → { space }
DELETE /api/spaces/:id (auth, owner) → { success }
POST /api/spaces/:id/invite (auth, CREATE_INVITE) → { inviteCode }
POST /api/spaces/:id/join (auth) { inviteCode } → { space }
POST /api/spaces/join (auth) { inviteCode } → { space }
# Members
GET /api/spaces/:id/members (auth, member) → { members[] }
PATCH /api/spaces/:id/members/:uid (auth, MANAGE_ROLES) { roles } → { member }
DELETE /api/spaces/:id/members/:uid (auth, KICK_MEMBERS|self) → { success }
# Roles
POST /api/spaces/:id/roles (auth, MANAGE_ROLES) { name, color?, permissions? } → { role }
PATCH /api/spaces/:id/roles/:rid (auth, MANAGE_ROLES) { name?, color?, permissions?, position? } → { role }
DELETE /api/spaces/:id/roles/:rid (auth, MANAGE_ROLES) → { success }
POST /api/spaces/:id/members/:uid/roles (auth, MANAGE_ROLES) { roleId } → { success }
DELETE /api/spaces/:id/members/:uid/roles/:rid (auth, MANAGE_ROLES) → { success }
# Channels
GET /api/spaces/:id/channels (auth, member, VIEW_CHANNEL) → { channels[] }
POST /api/spaces/:id/channels (auth, MANAGE_CHANNELS) { name, type, topic? } → { channel }
PATCH /api/channels/:id (auth, MANAGE_CHANNELS) { name?, topic?, position? } → { channel }
DELETE /api/channels/:id (auth, MANAGE_CHANNELS) → { success }
# Channel Permission Overrides
GET /api/channels/:id/overrides (auth, MANAGE_CHANNELS) → { overrides[] }
PUT /api/channels/:id/overrides (auth, MANAGE_CHANNELS) { targetType, targetId, allow, deny } → { override }
DELETE /api/channels/:id/overrides/:targetType/:targetId (auth, MANAGE_CHANNELS) → { success }
# Messages
GET /api/channels/:id/messages (auth, member) ?before=&limit=50 → { messages[] }
POST /api/channels/:id/messages (auth, SEND_MESSAGES) { content, attachments?, replyToId? } → { message }
PATCH /api/messages/:id (auth, author) { content } → { message }
DELETE /api/messages/:id (auth, author|MANAGE_MESSAGES) → { success }
# File Uploads
POST /api/uploads (auth) multipart file → { attachment }
GET /api/uploads/:filename (public) → file stream
# Direct Messages
GET /api/dm (auth) → { dmChannels[] }
POST /api/dm (auth) { userId } → { dmChannel }
DELETE /api/dm/:id (auth, member) → { success } (soft-close)
GET /api/dm/:id/messages (auth, member) ?before=&limit=50 → { messages[] }
POST /api/dm/:id/messages (auth, member) { content } → { message }
PATCH /api/dm/messages/:id (auth, author) { content } → { message }
DELETE /api/dm/messages/:id (auth, author) → { success }
POST /api/dm/:id/members (auth, owner) { userId } → { dmChannel } (group DM, max 10)
DELETE /api/dm/:id/members (auth, member) → { success } (leave group DM)
# Social / Friends
GET /api/social/friends (auth) → { friends[] }
GET /api/social/requests (auth) → { requests[] }
POST /api/social/requests (auth) { username } → { request }
PATCH /api/social/requests/:id (auth) { action: 'accept'|'decline' } → { request }
DELETE /api/social/requests/:id (auth) → { success } (cancel)
DELETE /api/social/friends/:id (auth) → { success }
GET /api/social/search (auth) ?q= → { users[] }
# Voice/Video
POST /api/livekit/token (auth) { channelId } → { token }
# Instance Settings (admin)
GET /api/settings/streaming (auth) → { streamingLimits }
PATCH /api/settings/streaming (auth, admin) { maxBitrateKbps?, ... } → { streamingLimits }
# Utilities
GET /api/utils/metadata (auth) ?url= → { title?, description?, image?, siteName? }
GET /api/health (public) → { status: 'ok', timestamp }
```
## WEBSOCKET PROTOCOL
All WebSocket messages are JSON over `/ws`. Client authenticates by sending `{ type: 'auth', token: 'jwt...' }` as the first message. Server responds with `{ type: 'ready', ... }` containing all initial state.
### Client → Server
```
{ type: 'auth', token: string }
{ type: 'ping' }
# Server Messages
{ type: 'message_create', channelId, content, replyToId?, attachmentIds? }
{ type: 'message_edit', messageId, content }
{ type: 'message_delete', messageId }
{ type: 'typing_start', channelId }
{ type: 'reaction_add', messageId, emoji }
{ type: 'reaction_remove', messageId, emoji }
{ type: 'channel_ack', channelId, messageId }
# DM Messages
{ type: 'dm_message_create', dmChannelId, content, replyToId?, attachmentIds? }
{ type: 'dm_message_edit', messageId, content }
{ type: 'dm_message_delete', messageId }
{ type: 'dm_typing_start', dmChannelId }
# Presence
{ type: 'presence_update', status: 'online' | 'idle' | 'dnd' }
# Voice (Space Channels)
{ type: 'voice_join', channelId }
{ type: 'voice_leave' }
{ type: 'voice_status', isMuted?, isDeafened?, isCameraOn?, isScreenSharing? }
# DM Calls
{ type: 'dm_call_start', dmChannelId }
{ type: 'dm_call_accept', dmChannelId }
{ type: 'dm_call_reject', dmChannelId }
{ type: 'dm_call_end', dmChannelId }
```
### Server → Client
```
{ type: 'ready', user, spaces, dmChannels, folders, voiceStates, readStates, activeCalls }
{ type: 'pong' }
# Server Messages
{ type: 'message_created', message: MessageWithUser }
{ type: 'message_updated', message: MessageWithUser }
{ type: 'message_deleted', messageId, channelId }
{ type: 'typing', channelId, userId, username }
{ type: 'reaction_added', messageId, channelId, reaction }
{ type: 'reaction_removed', messageId, channelId, userId, emoji }
# DM Messages
{ type: 'dm_message_created', message: DmMessageWithUser }
{ type: 'dm_message_updated', message: DmMessageWithUser }
{ type: 'dm_message_deleted', messageId, dmChannelId }
{ type: 'dm_channel_created', dmChannel }
{ type: 'dm_channel_closed', dmChannelId }
{ type: 'dm_member_added', dmChannelId, user }
{ type: 'dm_member_removed', dmChannelId, userId }
# Channel/Space Updates
{ type: 'channel_created', channel }
{ type: 'channel_updated', channel }
{ type: 'channel_deleted', channelId, spaceId }
{ type: 'space_updated', space }
{ type: 'channel_ack', channelId, messageId, userId }
# Members & Presence
{ type: 'member_joined', spaceId, member: MemberWithUser }
{ type: 'member_left', spaceId, userId }
{ type: 'presence_update', userId, status }
# Voice
{ type: 'voice_state_update', channelId, userId, action: 'join' | 'leave' }
{ type: 'voice_status_update', userId, isMuted, isDeafened, isCameraOn, isScreenSharing }
# DM Calls
{ type: 'dm_call_incoming', dmChannelId, callerId, callerName }
{ type: 'dm_call_accepted', dmChannelId }
{ type: 'dm_call_rejected', dmChannelId }
{ type: 'dm_call_ended', dmChannelId }
# Social
{ type: 'friend_request_received', request }
{ type: 'friend_request_accepted', friend }
{ type: 'friend_removed', userId }
```
## PERMISSION SYSTEM
Bitwise permission engine defined in `packages/shared/src/permissions.ts`. Stored as decimal strings in the database (bigint is not JSON-safe).
| Bit | Permission | Description |
|-----|-----------|-------------|
| 0 | ADMINISTRATOR | Full access, bypasses all checks |
| 1 | VIEW_CHANNEL | See channel in list and read messages |
| 2 | MANAGE_CHANNELS | Create, edit, delete channels |
| 3 | MANAGE_ROLES | Create, edit, delete roles |
| 4 | MANAGE_SPACE | Edit space name, icon |
| 5 | CREATE_INVITE | Generate invite codes |
| 6 | KICK_MEMBERS | Remove members from space |
| 7 | BAN_MEMBERS | Ban members from space |
| 10 | SEND_MESSAGES | Post messages in text channels |
| 11 | MANAGE_MESSAGES | Delete other users' messages |
| 12 | ATTACH_FILES | Upload files to messages |
| 13 | READ_MESSAGE_HISTORY | View message history |
| 14 | ADD_REACTIONS | Add emoji reactions |
| 20 | CONNECT | Join voice channels |
| 21 | SPEAK | Transmit audio in voice |
| 22 | MUTE_MEMBERS | Server-mute other members |
| 23 | DEAFEN_MEMBERS | Server-deafen other members |
| 24 | MOVE_MEMBERS | Move members between voice channels |
| 25 | USE_VOICE_ACTIVITY | Use voice activity detection |
| 26 | STREAM | Share screen in voice channels |
**Resolution order:** Owner → @everyone role → Assigned roles (OR'd) → ADMINISTRATOR shortcut → Channel overrides (@everyone → role overrides → member override).
## ENVIRONMENT VARIABLES
```env
# Server
PORT=3000 # HTTP/WS listen port
HOST=0.0.0.0 # Bind address
# Auth
JWT_SECRET=<random-64-char-hex> # Required — generate with: openssl rand -hex 32
# LiveKit (optional — leave empty to disable voice features)
LIVEKIT_URL= # WebSocket URL to LiveKit server
LIVEKIT_API_KEY= # LiveKit API key
LIVEKIT_API_SECRET= # LiveKit API secret
# Storage
UPLOAD_DIR=./data/uploads # File upload directory
DB_PATH=./data/backspace.db # SQLite database path
MAX_UPLOAD_SIZE=104857600 # Max upload size in bytes (100MB)
# Registration
REGISTRATION_OPEN=true # Set to false to disable new user signup
```
## DEPLOYMENT
**Live instance:** `https://nova.ddns.net` — Raspberry Pi behind OpenResty reverse proxy with HSTS.
**Infrastructure:**
- Docker container (`backspace`) on port 3000
- External Docker volume: `backspace-data` (mounted at `/app/data`)
- External Docker network: `backspace-net` (shared with reverse proxy)
- LiveKit server at `wss://nova.ddns.net/livekit`
**Deploy commands:**
- `./deploy.sh` — Syncs code via rsync to Pi, triggers `docker compose up -d --build`
- `./deploy.sh --local` — Use local IP (192.168.1.10)
- `./deploy.sh --remote` — Use remote DNS (nova.ddns.net)
- `make deploy` — Same as deploy.sh
- `make logs` — Watch Docker logs on Pi
- `make shell` — SSH into running container
- `make status` — Check container status
**Development:**
```bash
pnpm install
pnpm dev # Starts server (:3005) + Vite (:5173) with proxy
```
## FEATURE STATUS
All core features are implemented and live:
- **Auth:** Registration (first user = admin), login, JWT sessions
- **Spaces:** Create, join by invite, space settings, delete
- **Channels:** Text, voice, video types with position ordering
- **Messaging:** Send, edit, delete, replies, attachments, reactions, typing indicators, read states
- **Permissions:** Full RBAC with roles, per-channel overrides, computed permissions
- **Voice/Video:** LiveKit integration, mute/deafen, camera, screen share with VP9
- **Screen Share:** Configurable resolution/FPS/bitrate, gaming vs text mode, instance-level limits
- **DMs:** 1-on-1 and group DMs (up to 10), soft-close, message edit/delete
- **DM Calls:** Ringing state machine (ring → active → ended), auto-reject timeout
- **Friends:** Send/accept/decline requests, friend list, user search
- **Audio Processing:** RNNoise noise suppression, echo cancellation, auto gain control, per-user volume
- **File Uploads:** Multipart upload, immutable cache headers, directory traversal protection
- **Admin Panel:** Instance-level streaming limits (bitrate, resolution, framerate bounds)
- **URL Previews:** Server-side metadata extraction with Cheerio
- **Desktop:** Electron wrapper with tray, notifications, badge count
- **Docker:** Multi-stage build, health checks, persistent volume