net-bridge/docs/roadmap.md

MVP Roadmap

M0: Foundation

• Repository metadata, license, contribution docs.
• Android Gradle project and Rust workspace.
• Domain model, engine interface, foreground service skeleton.
• VSHP frame parser with unit tests.

M1: USB-First MVP

• Android USB accessory transport.
• Desktop USB host transport for Linux and Windows.
• Encrypted pairing over USB with phone-side approval.
• IPv4 TUN/Wintun virtual interface on desktop.
• TCP, UDP, and DNS forwarding through the Android gateway.
• Basic reconnection with session resume ticket.

Acceptance:

• A Windows or Linux laptop paired by USB can browse through the phone's active VPN without manual proxy, route, DNS, or SSH setup.

M2: Desktop Productization

• macOS utun support.
• Installers and background service management.
• Tray UI with connect/disconnect and status.
• Peer revoke and rename UI on Android.
• Crash-safe logs without traffic content.

M3: Wi-Fi and Hotspot

• mDNS/DNS-SD discovery.
• QR pairing for Wi-Fi.
• LocalOnlyHotspot setup flow.
• Automatic transport fallback between USB and Wi-Fi.

M4: Android Client

• Android receiving-device app using its own VpnService.
• QR pairing and one-tap connect.
• Per-app include/exclude on receiving Android device.

M5: IPv6, Performance, and iOS

• IPv6 upstream validation and route enablement.
• MTU probing, MSS clamping, and adaptive buffers.
• iOS Network Extension client.
• Battery and throughput tuning on physical-device matrix.