- Document all 4 platforms with status and architecture details
- Add API reference table
- Add platform setup sections (iOS, macOS, Android, Linux)
- Document build commands for all platforms
- Add binary size table
- Note Android Tailscale tunnel limitation and path forward
- Add Linux test file
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Go layer (c-archive) provides a localhost TCP proxy through a WireGuard tunnel.
Flutter connects gRPC to localhost:PORT, Go forwards via tsnet to heater's Tailscale IP.
No VPN entitlement needed — uses userspace netstack.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
