README: update integration example for new heartbeat/unregister signatures

README.md

@@ -22,9 +22,9 @@ DragonMoonlight (client)              Artemis (host)
 Flow:
   1. Artemis boots → logs into DragonRelay → provisions WG peer
   2. Artemis starts WireGuard tunnel → gets IP 10.99.0.3
-  3. Artemis registers:  POST /api/host/register  {wg_ip: "10.99.0.3", port: 47984}
+  3. Artemis registers:  POST /api/host/register  {name, wg_ip, port, displays}
-  4. Artemis heartbeats: PUT  /api/host/heartbeat  every 60 s
+  4. Artemis heartbeats: PUT  /api/host/heartbeat {wg_ip}  every 60 s
-  5. DragonMoonlight:    GET  /api/hosts           sees 10.99.0.3 in the list
+  5. DragonMoonlight:    GET  /api/hosts                  sees 10.99.0.3 in the list
   6. DragonMoonlight connects to 10.99.0.3:47984 over the shared WG tunnel
 ```
 
@@ -39,9 +39,11 @@ Flow:
 | `src/wg/wgclient_win.cpp` | Windows: Wintun kernel TUN + boringtun FFI |
 | `src/wg/wgclient_linux.cpp` | Linux: `/dev/net/tun` + boringtun FFI |
 | `src/wg/relayreg.h/.cpp` | DragonRelay HTTP client (libcurl) |
+| `src/wg/displayinfo.h` + `_linux.cpp` / `_win.cpp` | Display enumeration for relay registration |
 | `src/wg/boringtun_ffi.h` | C ABI bindings for boringtun |
 | `cmake/wg.cmake` | CMake integration snippet |
 | `scripts/build-boringtun.sh` | Build boringtun for Linux/macOS |
+| `scripts/build-boringtun-win.ps1` | Build boringtun for Windows |
 
 ---
 
@@ -95,13 +97,13 @@ port     = 47984                        # Sunshine streaming port (default)
 ```
 
 Artemis reads this on startup, authenticates, provisions a WireGuard peer, and
-starts the tunnel automatically.  The WireGuard `.conf` returned by DragonRelay
+starts the tunnel automatically. The WireGuard `.conf` returned by DragonRelay
 is parsed in-memory — no file is written to disk.
 
 ### 5. Linux: capabilities / root
 
 The Linux WireGuard client opens `/dev/net/tun` and runs `ip addr/route`
-commands.  Either run Artemis as root, or grant `CAP_NET_ADMIN`:
+commands. Either run Artemis as root, or grant `CAP_NET_ADMIN`:
 
 ```bash
 sudo setcap cap_net_admin+ep /usr/bin/artemis
@@ -109,8 +111,8 @@ sudo setcap cap_net_admin+ep /usr/bin/artemis
 
 ### 6. Windows: Administrator
 
-Wintun requires Administrator to create the kernel TUN adapter.  Artemis ships
+Wintun requires Administrator to create the kernel TUN adapter. Artemis ships
-with a UAC manifest (`requireAdministrator`).  Users will see a one-time
+with a UAC manifest (`requireAdministrator`). Users will see a one-time
 elevation prompt on first launch.
 
 ---
@@ -126,11 +128,15 @@ The key hooks are:
 #include "wg/wgclient.h"
 #include "wg/wgconfig.h"
 #include "wg/relayreg.h"
+#include "wg/displayinfo.h"
 
 // Boot sequence (run before Sunshine starts accepting streams):
 wg::RelayReg relay;
 relay.setBaseURL(config::relay_url);
-relay.login(config::relay_user, config::relay_pass, err);
+
+std::string err;
+if (!relay.login(config::relay_user, config::relay_pass, err))
+    BOOST_LOG(error) << "Relay login failed: " << err;
 
 wg::VPNConf vpnConf;
 relay.provisionVPN(config::relay_device, vpnConf, err);
@@ -141,20 +147,23 @@ wg::Config::fromString(vpnConf.conf, wgCfg, err);
 wg::Client wgClient;
 wgClient.start(wgCfg);                            // tunnel up
 
-relay.registerHost(config::relay_name, wgClient.localIP(), config::relay_port, err);
+const std::string localIP = wgClient.localIP();   // e.g. "10.99.0.3"
+const auto displays = wg::enumerateDisplays();
+relay.registerHost(config::relay_name, localIP, config::relay_port, displays, err);
 
 // Heartbeat thread (every 60 s):
 std::thread([&]() {
     while (running) {
         std::this_thread::sleep_for(std::chrono::seconds(60));
-        relay.heartbeat(err);
+        std::string err;
+        relay.heartbeat(localIP, err);            // wg_ip required
     }
 }).detach();
 
 // Shutdown:
-relay.unregisterHost(err);
+{ std::string err; relay.unregisterHost(localIP, err); } // wg_ip required
 wgClient.stop();
-relay.deleteVPNPeer(vpnConf.id, err);
+{ std::string err; relay.deleteVPNPeer(vpnConf.id, err); }
 #endif
 ```
 
@@ -171,7 +180,7 @@ relay.deleteVPNPeer(vpnConf.id, err);
 
 ## Upstream merge hygiene
 
-Artemis adds only new files under `src/wg/` and `cmake/`.  No Sunshine source
+Artemis adds only new files under `src/wg/` and `cmake/`. No Sunshine source
 files are modified — this minimises merge conflicts when pulling upstream
 Sunshine updates: