Add Unraid UI project documentation and research

- Complete Unraid WebGUI inventory (~100 pages documented)
- Unraid GraphQL API research and documentation
- Homarr architecture documentation
- Orchis GTK theme design tokens (TypeScript)
- Project README with implementation plan

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docs/unraid-ui-project/unraid-api-research.md

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+# Unraid API Research (Live from XTRM-Unraid v7.2.3)
+
+## API: unraid-api v4.29.2 (NestJS + Apollo GraphQL)
+
+### Connection
+- HTTP: `http://192.168.10.20/graphql`
+- WebSocket: `ws://192.168.10.20/graphql` (graphql-ws protocol)
+- Unix socket: `/var/run/unraid-api.sock`
+- Auth: `x-api-key` header
+
+### GraphQL Queries
+| Query | Description |
+|-------|-------------|
+| `info` | System info (cpu, memory, os, baseboard, devices, display, versions) |
+| `array` | Array state, capacity, disks, parities, caches, parity check status |
+| `disks` / `disk(id)` | Physical disks with SMART status, temp, serial |
+| `docker` | Containers (id, names, state, status, image, ports, autoStart) + networks |
+| `vms` | VMs (id, name, state) |
+| `shares` | Shares (name, free, used, size, include, exclude, cache, color) |
+| `notifications` | Notifications (title, subject, description, importance, type, timestamp) |
+| `vars` | Server variables (version, name, timezone, network, SMB/NFS settings) |
+| `services` | Running services (name, online, uptime, version) |
+| `flash` | Flash drive (guid, vendor, product) |
+| `registration` | License (type, state, keyFile, expiration) |
+| `network` | Network info (accessUrls) |
+| `server` | Server details (owner, guid, wanip, lanip, localurl, remoteurl) |
+| `connect` | Connect status (dynamicRemoteAccess, settings) |
+| `plugins` | Installed plugins (name, version) |
+| `logFiles` / `logFile(path)` | Log file listing and content |
+| `upsDevices` / `upsConfiguration` | UPS monitoring |
+| `apiKeys` | API key management |
+| `customization` | Theme + activation code |
+| `me` / `owner` | Current user / server owner |
+
+### GraphQL Mutations
+| Mutation | Description |
+|----------|-------------|
+| `array.setState` | Start/stop array |
+| `array.addDiskToArray` / `removeDiskFromArray` | Disk management |
+| `array.mountArrayDisk` / `unmountArrayDisk` | Mount/unmount |
+| `docker.start(id)` / `docker.stop(id)` | Container start/stop |
+| `vm.start/stop/pause/resume/forceStop/reboot/reset(id)` | VM power management |
+| `parityCheck.start/pause/resume/cancel` | Parity check control |
+| `notification.create/delete/archive/unread` | Notification CRUD |
+| `apiKey.create/update/delete` | API key management |
+| `customization.setTheme` | Theme switching |
+| `connectSignIn/SignOut` | Unraid Connect |
+| `setupRemoteAccess` | Remote access config |
+
+### GraphQL Subscriptions (Real-time)
+- `systemMetricsCpu` / `systemMetricsCpuTelemetry` / `systemMetricsMemory`
+- `arraySubscription` / `parityHistorySubscription`
+- `notificationAdded` / `notificationsOverview`
+- `logFile` (live log streaming)
+- `upsUpdates`
+- `ownerSubscription` / `serversSubscription`
+
+### Enums
+- ArrayState: STARTED, STOPPED, NEW_ARRAY, RECON_DISK, DISABLE_DISK, etc.
+- ArrayDiskStatus: DISK_NP, DISK_OK, DISK_INVALID, DISK_WRONG, DISK_DSBL, etc.
+- ArrayDiskType: DATA, PARITY, FLASH, CACHE
+- ContainerState: RUNNING, EXITED
+- VmState: NOSTATE, RUNNING, IDLE, PAUSED, SHUTDOWN, SHUTOFF, CRASHED, PMSUSPENDED
+- DiskFsType: XFS, BTRFS, VFAT, ZFS, EXT4, NTFS
+- DiskInterfaceType: SAS, SATA, USB, PCIE, UNKNOWN
+- ThemeName: azure, black, gray, white
+
+### Legacy PHP/Nchan Endpoints
+- Nchan WebSocket channels: `/sub/var`, `/sub/docker`, `/sub/update1-3`, `/sub/diskload`, etc.
+- PHP includes: DashboardApps.php, Control.php, SmartInfo.php, Syslog.php, etc.
+- State INI files at `/var/local/emhttp/`: var.ini, disks.ini, shares.ini, etc.
+- Legacy control: POST to `/update.htm` for commands
+
+### NOT Available via GraphQL
+- Docker create/delete/restart/logs
+- VM create/delete
+- Share CRUD, User CRUD
+- Detailed SMART attributes
+- Disk format/clear, spin up/down
+- System reboot/shutdown
+- Mover operations